Re: [Elecraft] Does a K4 need an external sound card for FT8?

[Ed Muns]

There are multiple aspects to this question.  As another K4 field tester,
here's my take, trying to objectively outline the choices for all users.

1. Any of the following soundcard alternatives can be used with the K4:
a. PC soundcard, either integrated or added, e.g., via USB or
plug-in card to a desktop
b. USB ham radio "interface" box, e.g., RigBlaster, microHAM
microKeyer or SO2R controller
c. K4 internal soundcard

In all cases, the Windows Sound Control has level controls for all these
alternatives.  In addition, the b and c alternatives have their own level
controls that can be thought of as logically in "series" with the Windows
level controls.  Generally, the Windows level controls are set to result in
a "reasonable" range of control by the additional level controls of
alternatives b and c.  In the case of alternative b, there are often
physical knobs.  The K4 (alternative c) has on-screen level controls that
can be varied with on-screen up/down arrows or by using the VFO-A knob.

2. All of these alternatives are equally adequate performance-wise.  The
exception might be low-end soundcards in alternative a.  Another exception
might be minimizing A-D and D-A conversions, in which case the K4 soundcard,
c, is ideal.  There are no analog audio cables, or signals, between the
radio's digital audio and the PC application, pure K4 digital audio direct
to the software.

3. Choosing one of the above alternatives is a personal preference we all
get to make.  If you like physical knobs readily available, then the
alternative b is good.  If, like me, you prefer simplicity and seldom touch
the soundcard levels, then the minimalist K4 soundcard solution c is nice.
If you have need for other features, e.g., SO2R control, then you'll have
that alternative b anyway and will use its sound card and user interface.  

Each of us can consider the alternatives and decide which is appealing and
suits our operating needs best.  I suspect it boils down to choosing between
alternatives b and c.

73,
Ed W0YK

-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of Dennis Dinga
Sent: 04 January, 2021 17:11
To: elecraft@mailman.qth.net
Subject: [Elecraft] Does a K4 need an external sound card for FT8?

This question keeps coming up but, but the answers are either 
incomplete or confusing.  Courtney KD6X asked it again on Jan 3 and 
has not received an answer.

Here's the way I'd like to ask it:  I use a West Mountain RIGblaster 
advantage instead of the sound card in my computer.  Why?  So that I 
have the convenience of adjusting TX and RX levels with physical 
knobs instead of using sliders on a monitor.  So how do you set 
levels with the K4?  Does it require fiddling with menus and going 
through several steps?  And like Courtney asked, is there anything 
else to gained by using an external 24 bit card?

-Dennis N6DD

++

Here is the way that Courtney KD6X put it:

"Any value in using a Microkeyer III with a K3S or K4D?

I have a K3... the best radio I've ever owed in my 50+ year ham 
life.  I'm currently using a US Interface Navigator with it for 
digital modes.  This is now sold as the Time Wave Navigator and has 
worked really well for me for many years.

My understanding is that the K3S and now the incoming K4's have sound 
cards built-in via the USB port.  So perhaps I won't need the 
Navigator anymore when my K4 eventually arrives.  But my question is 
whether there is still something to be gained using a newer 
transceiver interface with the K3S or K4?  I've been looking at the 
Microkeyer III with its 24 bit audio processing.  Does anyone have 
any hands-on experience with the Microkeyer III with Elecraft 
radios?  I'm particularly interested if it has a lower noise floor or 
other features that might not be found in the stock K3S or K4.

Thanks for any input or feedback!

   -- Courtney  KD6X"


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Re: [Elecraft] K4 info?

[Ed Muns]

Field Test is charging ahead with internal and external Elecraft users.  100% 
focus on finalizing for production shipments.  It's worth the wait.

73,
Ed W0YK

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Joseph Trombino, Jr
Sent: 07 July, 2020 09:20
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K4 info?

Howdy Gang.

Any scuttlebutt about the K4 lately?

Weren’t we supposed to get some videos on the rig along with other info?

I ordered in September of last year and certainly not getting any 
younger,(grin), therefore my query.

Stay healthy and keep sending them ditties.

73, Joe W2KJ
I QRP,  therefore I am
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Re: [Elecraft] Elecraft CW Net Report

[Ed Muns]

Actually, the K4 I am currently using is Wayne's SN 2.  Mine is SN 11 and Wayne 
swapped with me to investigate something on my radio.  Dick's, K6KR probably 
has a SN between our two radios.  You were 599 at the beginning, then dropped 
down to about S7.  I was running 100 watts.  I couldn't find/hear you on 20m at 
22Z which surprised me.  It should have been an easy path.  Unfortunately, the 
marginal propagation these days is driving most activity to FT8.

73,
Ed W0YK

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of kevinr
Sent: 05 July, 2020 19:02
To: Elecraft Reflector 
Subject: [Elecraft] Elecraft CW Net Report

Good Evening,

Both bands were weak, with noise and QSB.  But I was moderately 
successful given the conditions.  One strange thing, NO8V was stronger 
than either K6XK or K4TO.  That's just not normal :)  I did hear some 
ESP code on 20 meters but not well enough to convince me it wasn't just 
in my head.  It happens now and then.  Often when I'm working and a 
squeaky fan is on.

I sat down to start the 40 meter net and I listened for a while.  To 
nothing.  Not one sound.  I looked out the window and found the antenna 
still up.  I checked the switches and the antennas were both online.  
There was just no noise at all on 40 meters.  Two weeks ago that meant I 
worked no one.  I called CQ and K6PJV popped up; weakly, but there.  
Dale was spending the day inside where it's cool with his KX3 by his side.

On the next call I copied M0YK M0YK M0YK.  I stared at the paper 
trying to figure it out.  With code this good why hasn't he upgraded to 
a G call?  Then W0YK called again so I could hear the initial dit :)  I 
gave Ed a 329 and he proceeded to tell me he was on K4 number 2.  The 
second K4 to check in to ECN and it's number 2?  The first K4 was when 
K6KR checked in last year.  I don't think I got his SN but I am sure 
#001 is in Wayne's hands.  The K4s sound good guys.

Brian checked in with a weather report much like mine.  He lives 
closer to the ocean but the Pacific has been socked in for the last few 
weeks.  The clouds just comes inland a bit farther up here.  He was 
working on a clean sweep of the 13 colonies contest.  He needed a couple 
more on CW.


   On 14050.5 kHz at 2200z:

NO8V - John - MI

K6XK - Roy - IA

K4TO - Dave - KY


   On 7047.5 kHz at z:

K6PJV - Dale - CA

W0YK - Ed - CA

K0DTJ - Brian - CA


   Writing parallel code is getting easier.  Now to learn how to tune it 
for best performance.  If done well you can achieve teraFLOP 
performance.  If done poorly you can do worse than brute force on a 
CPU.  Maybe another two weeks of study to mount the initial learning curve.

Until next week 73,

   Kevin.  KD5ONS

-


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Re: [Elecraft] K4 on FD -- who?

[Ed Muns]

I plan to operate with the K4D as I can make time: CW, RTTY, SSB and
possibly FT4/8.

73,
Ed W0YK

-Original Message-
From: elecraft-boun...@mailman.qth.net  On
Behalf Of Wayne Burdick
Sent: 25 June, 2020 17:49
To: Peter Chamalian 
Cc: Elecraft Reflector 
Subject: Re: [Elecraft] K4 on FD -- who?

Hi Pete,

I'll be on (N6KR), and hopefully Eric (WA6HHQ). Certainly K6XX (Bob) and
K6KR (Dick). I can think of at least four more off the top of my head but
we'll let them weigh in if they want.

Wayne


> On Jun 25, 2020, at 4:50 PM, Peter Chamalian  wrote:
> 
> Please tell us which stations will be using K4's on FD?  I want to pay
close
> attention to them.
> 
> 
> 
> Thanks
> 
> 
> 
> 
> 
> Pete, W1RM
> 
> w...@comcast.net
> 
> 
> 
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Re: [Elecraft] K3 AFSK TX Filter

[Ed Muns]

The K3 AFSK TX filter is a very tight filter around the two RTTY tones,
which blocks all other frequencies in the passband.  Are you intending to
transmit something other than RTTY when the blocking occurs?

Ed W0YK 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ed G
Sent: 24 February, 2019 10:41
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 AFSK TX Filter

After switching on the AFSK TX filter in the CONFIG menu, I find that the
filter essentially blocks all the soundcard audio from being transmitted by
the K3, so that I have no output with the filter switched on. Line In gain
settings are correct per recent suggestions by Joe, W4TV, and all other K3
settings are proper. When I turn off the AFSK TX filter, the K3 returns to
operating normally in AFSK Data mode, with full power output.  I can leave
the filter out but am wondering why it is blocking the audio? I am using
MMTTY, so perhaps it is a setup issue within that program?
--Ed-


Sent from Mail for Windows 10




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Re: [Elecraft] KPA1500 Review on eHam

[Ed Muns]

This is one of the downsides of the KPA1500.  Unlike other amps, it feels
like QRP when it's putting out 1.5 KW.

Ed W0YK

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Rick Tavan
Sent: 14 January, 2018 08:24
To: Elecraft Main Reflector
Cc: MLDXCC; NCCC
Subject: [Elecraft] KPA1500 Review on eHam

I've posted a review of my field test KPA1500 on eHam:
http://www.eham.net/reviews/detail/13702.

I got sort of carried away with testing the amp and used it in NAQP CW even
though that contest is limited to 100W. The amp worked great and gave me a
delightful 12dB unfair advantage! So my entry is a checklog but I sure had
fun generating it. Apologies to my NCCC friends - it was an inadvertent
screw-up. I had really intended to operate within the rules and contribute a
few points.

73,

/Rick N6XI


-- 
Rick Tavan, Saratoga & Truckee, CA
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Re: [Elecraft] California Fires

[Ed Muns]

Fortunately, we live 60 miles south of San Francisco and the fires (so far) are 
north of the city.  Drift smoke is down though and we woke Monday to its smell. 
 Shouldn't taint the remaining fruit we're harvesting today and Thursday.

73,
Ed W0YK
On Oct 10, 2017 10:04 AM, Earl  wrote:
>
> Any report on ED W0YK?
>
> On 10/10/2017 11:56 AM, Fred Jensen wrote:
> > Elecraft is in Watsonville CA, a bit inland from the Monterrey/Santa Cruz 
> > area [and famous for artichokes]. The SoCal fire(s) is/are east of Los 
> > Angeles, about 350-400 miles south.  The NorCal fires are in Sonoma and 
> > Napa 
> > counties [so far], maybe 100-120 miles north or so.  Several members of the 
> > NorCal Contest Club have lost their homes.
> >
> > 73,
> >
> > Fred ["Skip"] K6DGW
> > Sparks NV DM09dn
> > Washoe County
> >
> > On 10/10/2017 9:46 AM, Steven Stuckey wrote:
> >> I hope all of the Elecraft personnel are safe from the fires. I am not sure
> >> where the southernCalifornia fires are in relation to the factory.
> >>
> >> 73
> >> Steven Stuckey - AC9GK - Indiana
> >>
> >
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Re: [Elecraft] Specs KIO3-B internal sound card

[Ed Muns]

I think the chip is the two-channel TI PCM2902.

73,
Ed W0YK
On Sep 19, 2017 3:55 PM, Udo Langenohl - DK5YA  wrote:
>
> Thanks Christopher,
>
> compared to high quality external devices SNR and THD+N is rather poor. 
> And so is the dynamic range and the max. sampling rate of just 48KHz.
> Rather disappointing, to be honest.
>
> 73 Udo, DK5YA
>
> Am 20.09.2017 um 00:24 schrieb Christopher Hoover:
> > The circuit is based on PCM2901 <>
> > 
> > 
> > 
> > 
> > On Tue, Sep 19, 2017 at 2:05 PM, Udo Langenohl - DK5YA  > > wrote:
> > 
> > Gentleman,
> > 
> > I'm looking for specs of the internal sound device which is part of
> > the KIO3B board but couldn't find any on the Elecraft web site.
> > Anybody out there who's got detailed information?
> > 
> > I.e.:
> > Sample Rates
> > Frequency Response
> > Dynamic Range
> > THD+N
> > Noise EIN
> > THD+N Outputs
> > 
> > I'm just preparing all the stuff we gonna take with us for our
> > 144/432 EME DXPedition to DU (DX7EME) in November and I would like
> > to reduce parts we have to carry as much as I can. We have two K3
> > with us, usually connected to very high quality external sound
> > devices (Focusrite Scarlett, Delta 44). Since we are doing
> > moonbounce (JT65b) and each and every dB counts we are focussing on
> > lowest noise possible in our sound devices. If the internal sound
> > card of the KIO3B will meet our needs we could propably reduce
> > weight and lower all the cable mess a lot.
> > 
> > 73 Udo, on behalf of DX7EME team
> > 
> > P.S.: Anybody in the group using the internal sound device on EME?
> > P.P.S.: I'be ordered a KIO3B already and will upgrade one of the
> > K3's at the end of the week, delivery permitting.
> > 
> > -- 
> > **
> > Webs by DK5YA:                           *
> > http://www.dx7eme.de/
> > http://www.mmmonvhf.de/          [editor]*
> > http://www.vhfdx.de/             [owner] *
> > http://www.solweb.de/            [owner] *
> > http://www.spessartwetter.de/    [owner] *
> > **
> > 
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Re: [Elecraft] [K3] USB Interface

[Ed Muns]

"RX" audio, not TX.

73,
Ed W0YK
On Sep 8, 2017 1:40 PM, Ed Muns <e...@w0yk.com> wrote:
>
> I think John is asking about LINE OUT of the K3 for TX audio into the PC for 
> MMTTY decode.
>
> 73,
> Ed W0YK
> On Sep 8, 2017 12:50 PM, Don Wilhelm <donw...@embarqmail.com> wrote:
> >
> > John,
> >
> > Look back to posts earlier today regarding WSJT-X.
> >
> > We have been discussing how to set the audio levels for WSJT-X, but the 
> > same thing applies to and all other soundcard digital modes, including 
> > AFSK A - which you should be using with MMTTY.  It defaults to LSB, 
> > turns off compression and TX EQ (so you don't have to disturb your SSB 
> > settings).  See the manual for the features available with AFSK A mode.
> >
> > Set the MIC SEL to LINE.
> >
> > Like all other data modes with the K3 (and other Elecraft gear), set the 
> > audio for 4 bars on the ALC meter with the 5th one flashing.  Adjust the 
> > power with the POWER knob.
> > Ignore the common internet advice (and some software instructions) which 
> > say to "set the power to maximum and use the audio level to control the 
> > power" - that does not work well with Elecraft gear because it is unique 
> > among amateur tranceiver in the way the power is controlled.
> > Some commercial transceivers control power in the same way as Elecraft 
> > gear, but no other amateur transceivers that I am aware of.
> >
> > 73,
> > Don W3FPR
> >
> > On 9/8/2017 3:02 PM, John Reilly wrote:
> > > I have the USB interface card in my K3. I use the audio out (USB 
> > > Microphone) for the MTTY program. Question is how to set the audio 
> > > levels. FWIW, I currently have the K3 Line Out set to 5, and the 
> > > computer USB Mic level set to around mid-scale. Is there a better 
> > > combination for improved dynamic range and low distortion?
> > > Thanks,
> > >    - 73, John, N0TA
> > > __
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Re: [Elecraft] [K3] USB Interface

[Ed Muns]

I think John is asking about LINE OUT of the K3 for TX audio into the PC for 
MMTTY decode.

73,
Ed W0YK
On Sep 8, 2017 12:50 PM, Don Wilhelm  wrote:
>
> John,
>
> Look back to posts earlier today regarding WSJT-X.
>
> We have been discussing how to set the audio levels for WSJT-X, but the 
> same thing applies to and all other soundcard digital modes, including 
> AFSK A - which you should be using with MMTTY.  It defaults to LSB, 
> turns off compression and TX EQ (so you don't have to disturb your SSB 
> settings).  See the manual for the features available with AFSK A mode.
>
> Set the MIC SEL to LINE.
>
> Like all other data modes with the K3 (and other Elecraft gear), set the 
> audio for 4 bars on the ALC meter with the 5th one flashing.  Adjust the 
> power with the POWER knob.
> Ignore the common internet advice (and some software instructions) which 
> say to "set the power to maximum and use the audio level to control the 
> power" - that does not work well with Elecraft gear because it is unique 
> among amateur tranceiver in the way the power is controlled.
> Some commercial transceivers control power in the same way as Elecraft 
> gear, but no other amateur transceivers that I am aware of.
>
> 73,
> Don W3FPR
>
> On 9/8/2017 3:02 PM, John Reilly wrote:
> > I have the USB interface card in my K3. I use the audio out (USB 
> > Microphone) for the MTTY program. Question is how to set the audio 
> > levels. FWIW, I currently have the K3 Line Out set to 5, and the 
> > computer USB Mic level set to around mid-scale. Is there a better 
> > combination for improved dynamic range and low distortion?
> > Thanks,
> >    - 73, John, N0TA
> > __
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Re: [Elecraft] KPA-1500 Dimensions?

[Ed Muns]

Is there a bail to tip it up like the K3s?

73,
Ed W0YK
On May 15, 2017 7:30 PM, Wayne Burdick  wrote:
>
> 4.5” for the cabinet and 0.6” for the feet = 5.1”. Allow plenty of clearance 
> for the ventilation holes in the top cover.
>
> 73,
> Wayne
> N6KR
>
> > On May 15, 2017, at 7:16 PM, Richard Thorne  wrote:
> > 
> > Wayne,
> > 
> > What is the height of the amp with the feet sitting on the desk (bail not 
> > extended)?
> > 
> > Thanks
> > 
> > Rich - N5ZC
>
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Re: [Elecraft] Dayton Dropoff

[Ed Muns]

In the past UPS has a spot in the Hamvention exhibits for accepting shipments.

73,
Ed W0YK
On May 15, 2017 2:02 PM, Scott Manthe  wrote:
>
> Hi Eric, 
> I was the OP and I appreciate your response. I've long had the return 
> authorization and have procrastinated sending it, as my situation is a 
> bit unusual in that I have an uninstalled KRX3 that I'd like to be 
> updated as well, but not installed. I'll send it after Dayton. Thanks 
> again for responding. One of the many reasons I'm an Elecraft owner. 
>
> Thanks too to everyone else who took the time to reply! 
>
> 73, 
> Scott N9AA 
>
>
> On 5/15/17 3:26 PM, Eric Swartz - WA6HHQ, Elecraft wrote: 
> > Hi Alan, 
> > 
> > I apologize, but we are unable to receive products for service at the 
> > show. In addition to the chance for loss or damage to your radio there 
> > in the commotion of the show, we're maxed out just keeping up with the 
> > regular show sales and demos. We are also limited in what we can hand 
> > carry back with us on the plane to CA. 
> > 
> > Also, anyone planning a service return needs to first contact our 
> > sales or support group and have them issue you a 'return service 
> > authorization' (RSA) form and number along with shipping info to the 
> > factory etc. That's the only way we can guarantee that we will be able 
> > receive it properly to track it, handle it properly, get it completed 
> > quickly and back to you. (I apologize if you have already done that 
> > step :-) 
> > 
> > If you are hand carrying it with you from the U.K., one solution might 
> > be to post it via UPS to us from a local UPS store' in Dayton. There 
> > are a number of these there and also in some of the local office 
> > supply stores.  Of course, make sure to contact us first to get the 
> > RSA form and number. 
> > 
> > 73, 
> > Eric 
> > /elecraft.com/ 
> > 
> > On 5/15/2017 10:18 AM, G4GNX wrote: 
> >> Almost certainly not. 
> >> 
> >> I wanted them to carry some parts to Dayton for collection, but they 
> >> can't do that. I can't see them doing it in 'reverse' either. 
> >> 
> >> I'm having parts shipped to a friend who will then deliver to another 
> >> friend at Dayton, who will carry them back to the UK. 
> >> 
> >> 73, 
> >> 
> >> Alan. G4GNX 
> >> 
> >> -Original Message- From: Scott Manthe 
> >> Sent: Monday, May 15, 2017 6:12 PM 
> >> To: Elecraft@mailman.qth.net 
> >> Subject: [Elecraft] Dayton Dropoff 
> >> 
> >> Hello to the list, 
> >> I'm getting ready to send my K3 off to Elecraft for some updates. Does 
> >> anyone know if it would be possible for me to drop the radio off to them 
> >> at Dayton, saving $50 shipping? The better question might be has anyone 
> >> actually done this? 
> >> 
> >> 73, 
> >> Scott N9AA 
> >> 
> >> __ 
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> > 
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> > 
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Re: [Elecraft] Another really good reason to come to the Visailia DX convention this weekend...

[Ed Muns]

Or, 1900.

73,
Ed W0YK
On Apr 20, 2017 10:42 AM, Rick WA6NHC  wrote:
>
> It can't be... the curl on the second digit, right most number, implies 
> 1500.
>
> On 4/20/2017 10:22 AM, Wayne Burdick wrote:
> > Isn’t that second red LED from the left labeled “1700”?
> >
> >
> >
> >> On Apr 20, 2017, at 10:11 AM, Rick WA6NHC  wrote:
> >>
> >> Look closer, it clearly shows an output of 1 KW with a max red line at 
> >> 1500 watts.
> >>
> >> Rick nhc
> >
>  On Apr 20, 2017, at 12:50 PM, Wayne Burdick  wrote:
> 
>  http://www.elecraft.com/images/visalia1.jpg
> 
>  Watch this space for further details :)
> 
>  73,
> 
>  Wayne, N6KR
>  Eric, WA6HHQ
> 
>  __
> >
> >
> >
>
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Re: [Elecraft] Linear thoughts

[Ed Muns]

All of them.  It's not a question of assigning a "value" to each button to
determine which is more important to be visible.  Those choices will vary
with user anyway.  Some users like the band buttons on the KPA500 to change
bands on their K-Line.

When operating, I can distract myself from DXing or contesting for a few
seconds to stare at the front panel of the KPA500 and find the button I'm
looking for.  I'd rather be able to spot the desired button out of the
corner of my eye without losing operation focus.  Contrasting button colors
support that use case.

Ed W0YK
__

John KK9A asked:

What buttons are you using besides ON and maybe OPER/STBY?

John KK9A


From: Ed Muns ed at w0yk.com 
Sat Mar 18 14:25:12 EDT 2017

Based on the excellent KPA500 design, augmented by user experience, and the
added comments to Eric's question below, I'm confident Elecraft can define
another great product if they so choose.

My request is that the button colors be more functional than they are on the
KPA500.  "Black on Black" is aesthetically very cool in a well-lit
environment, but functionally very poor in most actual operational
environments.  Some of us have replaced the KPA500 button caps with gray and
other colors like on the K3, so we can find the buttons more readily.

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Re: [Elecraft] Linear thoughts

[Ed Muns]

Based on the excellent KPA500 design, augmented by user experience, and the
added comments to Eric's question below, I'm confident Elecraft can define
another great product if they so choose.

My request is that the button colors be more functional than they are on the
KPA500.  "Black on Black" is aesthetically very cool in a well-lit
environment, but functionally very poor in most actual operational
environments.  Some of us have replaced the KPA500 button caps with gray and
other colors like on the K3, so we can find the buttons more readily.

Ed W0YK


Eric WA6HHQ wrote:

Interesting discussion.

Folks, if we did introduce a 1500 W solid state amp similar to our KPA500 in

operation, what features etc would be important?

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Re: [Elecraft] RTTY

[Ed Muns]

That's what the phrase "most contests" means.  Contests where exchanges
don't change.

Ed W0YK


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
j...@kk9a.com
Sent: 13 March, 2017 11:47
To: elecraft@mailman.qth.net
Subject: [Elecraft] RTTY

Memory only exchanges would be impossible in the WPX contest.

John KK9A

Ed Muns wrote:
Mon Mar 13 13:26:17 EDT 2017

For DXpeditions and most contests, using the K3/K3S memories will send the
RTTY at normal 60 WPM speed.  There is no reason to send CW and have the
RTTY come out at a slow speed which is rude to the other operator.  All you
need is two memories programmed, one with your call sign and the other with
your exchange.

Ed W0YK

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Re: [Elecraft] RTTY

[Ed Muns]

For DXpeditions and most contests, using the K3/K3S memories will send the
RTTY at normal 60 WPM speed.  There is no reason to send CW and have the
RTTY come out at a slow speed which is rude to the other operator.  All you
need is two memories programmed, one with your call sign and the other with
your exchange.

Ed W0YK

_

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of w7aqk
Sent: 12 March, 2017 22:52
To: Elecraft Reflector
Subject: [Elecraft] RTTY

I know this is "old hat" now, especially for serious RTTY buffs (which I am 
not!), but every time I work one of these DXpeditions on RTTY, just using 
the K3 and CW input, I get a big kick out of it.  I just did that on 40 
meters with TU7C in the Ivory Coast.  I crank out CW at about 25-30 WPM and 
the K3 does the rest!  Cool!  I could do this with my KX3 or KX2 if my 
antennas were better!

That's about the only time I venture into the RTTY segment, and I would 
generally rather just rag chew on CW, but snagging another DXpedition band 
slot this way is fun.  It sure beats the heck out of the way I had to do it 
in the Army eons ago, with those model 21's, or whatever the nomenclature 
was--I've forgotten now.  That was in an AN/GRC-26 van, with a BC-610, an 
R390, and a rack panel filled with other stuff.  It sure got hot inside 
those vans  With the K3, I can do it all on a TV tray!

Dave W7AQK


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Re: [Elecraft] K3 upgrade to K3S question

[Ed Muns]

Clarification.  I've been doing, and undoing, these three upgrades to the
SAME K3 at a shared station since the upgrades became available.  I make the
upgrades when I arrive and remove them when I leave the station.  Seemed
like a hassle at first, but now routine and quick after all the practice.

Ed W0YK
__

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ed
Muns
Sent: 12 March, 2017 06:30
To: fra...@pwpconsult.com
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 upgrade to K3S question

The KIO3B has both RS232 and USB.

All 3 upgrades are easy to do together.  Now takes me less than 30 minutes
total for 2 KSYN3As, KXV3A and KIO3B.

73,
Ed W0YK
On Mar 11, 2017 4:41 PM, Bill Frantz <fra...@pwpconsult.com> wrote:
>
> There are two upgrade issues to consider: 
>
> (1) The recommended modifications to bring your K3 up to the 
> latest engineering level. Check 
> <http://www.elecraft.com/K3/k3_app_notes.htm> for what you may 
> need and how to install it. 
>
> (2) The upgrades to install the new K3S upgrade boards. The big 
> win here is the KSYN3A board. It will improve your receive and 
> fast CW break in. The KXV3B board adds a second preamp for 12, 
> 10, and 6 meters. The KIO3B 3-board set installs an internal 
> "sound card" in the K3 for computer interface of digital modes. 
> It also replaces the RS-232 connection with a USB connection. 
>
> It is quite easy to install all three upgrade in a K3. Doing 
> them one at a time will be less confusing, but if you have a 
> good idea of how things in the K3 are connected together it is 
> possible to install them all at once. I, and my K3 survived the
experience. 
>
> 73 Bill AE6JV 
>
> On 3/11/17 at 2:57 PM, g...@gmx.net wrote: 
>
> >I've purchased a used K3 S/N in the 3ks, and plan to apply some of the
K3S upgrade options. 
> >Any experiences, hints or do's and don'ts to tell for me? 
> >I'm using the K3 mainly for HF contesting, VHF with an external
transverter and some DX chasing. 
> >tu es 73 
> >Gernot, DF5RF 
>
> --- 
> Bill Frantz    | "The only thing we have to   | Periwinkle 
> (408)356-8506  | fear is fear itself." - FDR  | 16345 
> Englewood Ave 
> www.pwpconsult.com | Inaugural address, 3/4/1933  | Los Gatos, 
> CA 95032 
>
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Re: [Elecraft] K3 upgrade to K3S question

[Ed Muns]

The KIO3B has both RS232 and USB.

All 3 upgrades are easy to do together.  Now takes me less than 30 minutes 
total for 2 KSYN3As, KXV3A and KIO3B.

73,
Ed W0YK
On Mar 11, 2017 4:41 PM, Bill Frantz  wrote:
>
> There are two upgrade issues to consider: 
>
> (1) The recommended modifications to bring your K3 up to the 
> latest engineering level. Check 
>  for what you may 
> need and how to install it. 
>
> (2) The upgrades to install the new K3S upgrade boards. The big 
> win here is the KSYN3A board. It will improve your receive and 
> fast CW break in. The KXV3B board adds a second preamp for 12, 
> 10, and 6 meters. The KIO3B 3-board set installs an internal 
> "sound card" in the K3 for computer interface of digital modes. 
> It also replaces the RS-232 connection with a USB connection. 
>
> It is quite easy to install all three upgrade in a K3. Doing 
> them one at a time will be less confusing, but if you have a 
> good idea of how things in the K3 are connected together it is 
> possible to install them all at once. I, and my K3 survived the experience. 
>
> 73 Bill AE6JV 
>
> On 3/11/17 at 2:57 PM, g...@gmx.net wrote: 
>
> >I've purchased a used K3 S/N in the 3ks, and plan to apply some of the K3S 
> >upgrade options. 
> >Any experiences, hints or do's and don'ts to tell for me? 
> >I'm using the K3 mainly for HF contesting, VHF with an external transverter 
> >and some DX chasing. 
> >tu es 73 
> >Gernot, DF5RF 
>
> --- 
> Bill Frantz    | "The only thing we have to   | Periwinkle 
> (408)356-8506  | fear is fear itself." - FDR  | 16345 
> Englewood Ave 
> www.pwpconsult.com | Inaugural address, 3/4/1933  | Los Gatos, 
> CA 95032 
>
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Re: [Elecraft] K3 Stops Transmitting

[Ed Muns]

When it was not transmitting and you were troubleshooting, did you cycle power?

73,
Ed W0YK
On Mar 9, 2017 5:54 AM, Dennis  wrote:
>
> In the middle of ARRL DX CW, my K3 stopped transmitting.  It did not 
> shut off, it 
> would go into transmit and there were small flickers in ALC when the 
> meter was in 
> that position, but no power out.  Pushing the TUNE button resulted in 
> the display 
> saying "0 watts".  I played with it for several minutes, was 
> unsuccessful in restoring 
> any transmit capability, so subbed in the replacement rig and kept going. 
>
> I brought my K3 home, plugged it in, connected a key and a dummy load, 
> and it 
> transmitted perfectly.  No problems.  I've used it about 3 hours since, 
> and there 
> have been no problems. 
>
> First question, what could have happened to result in the no transmit state? 
> I will be using my K3 again this weekend in a contest.  If the problem 
> happens again, what possible problems should I be looking for? Loose/ 
> intermittent cable attached to the synthesizer? 
>
> Dennis W1UE 
>
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Re: [Elecraft] K3S's built-in RTTY

[Ed Muns]

This RTTY system configuration is the worst one I can think of (sorry!).
The RTTY receive will be great for you and transmit will be greatly
compromised, for both you and your QSO partners.  Once you have a PC/modem
interfaced to the K3S for receive it is trivial to use it for transmit as
well.  The whole reason for the Elecraft built-in feature is for
configurations where there is no PC and RTTY modem.

The Elecraft CW-RTTY feature is a tremendous benefit for working one or, at
most, a very few contacts without the complication of a PC and RTTY modem
hardware or software.  The caveat is few people can send good CW at 60 WPM
so the copy by the QSO partner will be frustratingly slow.

In a contest, for a few contacts, this feature can work well using the K3S
CW/RTTY memories as long as the contest exchange is not unique, e.g., serial
numbers.  You can have one message with your call sign for answering CQing
stations and second message with your exchange.  You just press the K3S
message buttons and the RTTY is sent out at the normal 60 wpm.

Ed W0YK
__

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don
Pomplun
Sent: 08 March, 2017 19:43
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S's built-in RTTY

I'm hoping hat I can use the K3S sound card hardware & PC software for 
the receive side, and use the paddle CW interface as the transmit side.  
Any experience in the group with doing that?

Don   K2BIO



On 03/08/2017 07:54 PM, Joe Subich, W4TV wrote:
>
> > For those using the K3, get an external soundcard, even an inexpensive
> > one and use the K3's VOX - it will perform better and with lower noise
> > than the Signalink.
>
> And it will not require that the sound car transmit level be turned to
> the maximum as is the case with Signalink (read their instructions).
> By running the sound card transmit level at no more than 80% the TX
> audio is generally *significantly* cleaner because the sound card audio
> chain is not being driven into clipping.
>
> 73,
>
>... Joe, W4TV
>
>
> On 3/8/2017 6:50 PM, Don Wilhelm wrote:
>> Actually, the K3 has isolation for the Line In and Line Out signals, and
>> no interface is required for digital modes.  Just a computer soundcard
>> and good quality audio cables so they do not pick up hum, buzz and
>> noise.  PTT is not required either, use VOX.  Actually, the Signalink
>> PTT is derived from the audio stream - so in effect, the Signalink has
>> its own simplistic VOX which activates its PTT output.
>>
>> For those using the K3, get an external soundcard, even an inexpensive
>> one and use the K3's VOX - it will perform better and with lower noise
>> than the Signalink.
>>
>> For the K3S and a K3 that has the new KIO3B option installed, everything
>> is the same, except the "external soundcard" (as seen by the computer
>> application) is built into the K3/K3S and no audio cables are involved.
>>
>> 73,
>> Don W3FPR
>>
>> On 3/8/2017 6:18 PM, Don Pomplun wrote:
>> like the SignalLink USB.
>>> Am I correct so far?
>>> So then fig 10-14 (Fred's book) gives me the impression that with this
>>> hookup, I can then run any RTTY software on the PC and the PC to K3S
>>> interfacing is all taken care of, right?
>> __
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[Elecraft] AGC and RTTY Decoding (was [K3] AGC White Paper)

[Ed Muns]

Below is a thread from 7 March 2016 about AGC usage with RTTY decoders.
David Wicks, G3YYD, is the author of 2Tone and Kok Chen, W7AY, is the author
of CocoaModem. 

Anecdotally, my experience after 250,000+ RTTY QSOs over the past 15 years
concurs that minimizing AGC action supports best decoder performance.  If my
ears, or widely varying signal levels, can't tolerate AGC Off, then I use
AGC Slow, SLP=0 and THR=14 or higher.

Note also the comments about receiver IF bandwidth of 500 Hz except in
extreme cases.  Even in big RTTY pileups such as I encounter sometimes in DX
locations, Again, I've anecdotally found that 500 Hz decodes better most of
the time.  I seldom go lower.  This also implies turning off the K3
Dual-Tone filter.

Both of these points (no, or minimal, AGC and moderate IF BW) are not
intuitive, especially for an experienced CW operator.

Ed W0YK
__

G3YYD, 0210:

Actually with RTTY the AGC setting should be slow. 

The reason for this is the best decoders decode each tone separately and
make use of the signal amplitude and  measured noise over time. 

They compare the individual tone amplitudes with their amplitude over about
one character time before and after the character being decoded. They then
combine the tones together before the final decision is made based on their
individual signal to noise ratio. Sudden changes to receiver gain will
provide less than optimum performance as it will alter the amplitude
relationship and noise over much less than 3 character times (about half a
second).

For those older decoders that use a FM demodulation system fast or slow AGC
makes no difference so set the AGC time constant as you would for SSB rag
chewing - slow.

As for bandwidth do not set it below 350Hz as Chen W7AY indicated earlier
this can cause distortion across the bandwidth by delaying some parts of a
RTTY signal more than others. This blurs one bit of the RTTY signal into the
adjacent bits. This is the signal causing QRM to itself. I personally tend
to use 500Hz on my K3 and only reduce to 350Hz in extremis. The filters in a
modern decoder are very narrow. 2Tone for instance uses a filter for each
tone that are just 45.45Hz wide and at 90Hz wide have more attenuation than
the receiver's dynamic range. Reducing RX bandwidth below 350Hz is for human
hearing limitations not that of the decoder.

73 David G3YYD
__

W7AY, 1015:

If you are willing to manually ride the RF/IF gain controls, "AGC off" is
best.

As David G3YYD has pointed out, you need the "gains" of the Mark and Space
tones to be perfectly equal.  Under poor SNR but good propagation
conditions, 0.5 dB of imbalance will cause noticeable harm in the error
rates.

Basically, you want the gains between the mark (M) and space (S) bits to be
constant.  The strength of the composite signal (M+S) need not be constant.

Together with proper filters (narrow enough to avoid QRM while adding no
intersymbol interference), slicing (deciding whether mark or space has
arrived) is an equally important aspect of FSK demodulator design.  You can
easily make the case that the slicer becomes more important when conditions
are poorer.

The slicer decides whether the mark signal or the space signal is greater at
each bit period.

Good demodulators take care of slicer imbalances by the use of "automatic
threshold correction" (ATC) circuits or software code.  You can also use FM
techniques to get around mark/space imbalance, but that creates more
problems that it solves -- that is why good demodulators nowadays use two
individual "AM" demodulators.

It is always best to present to the demodulator with a signal that has as
little possible tone imbalance so that the ATC has the least amount of work
to do.  

This way, you minimize the problems that the demodulator has to overcome.  

Thus, you would rather have AGC that does not keep the amplitude perfectly
constant, as long as the two tones have the same amplitudes.   Remember, the
key is to have no imbalance.  The two tones must fluctuate by the same
amount. 

Good A/D converters (sound cards) provide dozens of dB worth of dynamic
range to handle fading.  Just keep remembering that RTTY demodulation
depends on SNR and not on signal strength.  Receiver requirements are very
different from voice or CW modes.

The ATC circuit has to work really, really hard (and fails often) when the
AGC is fast enough to be affected by the tone amplitudes fluctuating
independently.  The AGC time constant must therefore be much longer than a
bit period.  Even an AGC time constant that is around 176 ms (character
period of RTTY) already pose problems.  

Thus "AGC off" is the best, and if you are not willing to constantly ride
the RF gain control, the slowest AGC time constant possible is the next best
choice.

Use a A/D converter with good dynamic range, and let the demodulator
designers handle 

Re: [Elecraft] [K3] AGC White Paper

[Ed Muns]

Decoders operate on the audio stream presented to them from the receiver.
The decoding algorithms use the difference in audio level at each instant in
time to make bit decisions.  AGC reduces those differences and thus
increases the bit error rate.

Of course, it is important to adjust the absolute audio levels so that the
dynamic range of the signal(s) is placed within the dynamic range of the
decoder.  But, compressing the dynamic range, i.e., AGC, increases the error
rate of the decoder.

Ed W0YK
_

-Original Message-
From: Bill Frantz [mailto:fra...@pwpconsult.com] 
Sent: 07 March, 2017 13:05
To: e...@w0yk.com
Cc: elecraft@mailman.qth.net
Subject: RE: [Elecraft] [K3] AGC White Paper

What I get using a relatively flat AGC is automation of my 
riding the RF gain control. I don't see how this kind of 
automation affects decoder performance. It should help 
performance as the decoder has a nearly constant level signal to 
work with. Please explain.

Thanks - Bill AE6JV

On 3/7/17 at 11:37 AM, e...@w0yk.com (Ed Muns) wrote:

>Just the opposite.  Most digital signal decoders work best with the least
>AGC action possible, even AGC Off.  AGC constrains decoder performance.
>
>Ed W0YK
>_
>
>-Original Message-
>From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill
>Frantz
>...
>Now to use SLP=15 for digital, where I want the AtoD to not 
>have to deal with a big range, while using something with more 
>dynamic range for voice/CW.

---
Bill Frantz|Security, like correctness, is| Periwinkle
(408)356-8506  |not an add-on feature. - Attr-| 16345 
Englewood Ave
www.pwpconsult.com |ibuted to Andrew Tanenbaum| Los Gatos, 
CA 95032

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Re: [Elecraft] [K3] AGC White Paper

[Ed Muns]

Just the opposite.  Most digital signal decoders work best with the least
AGC action possible, even AGC Off.  AGC constrains decoder performance.

Ed W0YK
_

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bill
Frantz
Sent: 05 March, 2017 23:17
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] [K3] AGC White Paper

Thanks Al. A very useful paper.

Now to use SLP=15 for digital, where I want the AtoD to not have 
to deal with a big range, while using something with more 
dynamic range for voice/CW.

73 Bill AE6JV

On 3/6/17 at 9:50 PM, alor...@sbcglobal.net (Al Lorona) wrote:

>I spent a little bit of time this weekend and put together yet 
>another K3 AGC (YAKA) "white paper" to put some measurements 
>and discussion of the results down in the hope that others may 
>benefit. Maybe it'll help folks understand AGC better by 
>demystifying some of the K3 idiosyncrasies. I hope it makes you 
>think about a few things in a way that maybe never occurred to 
>you. I put the document in my Dropbox at the following link:
>
>
>https://www.dropbox.com/s/drfujqupr4pcet3/Getting%20the%20Most%20Out%20of%2
0K3%20AGC%20System.pdf?dl=
>0
>
>
>I'll leave the file there for several days in case any of y'all are
interested.

---
Bill Frantz| Security is like Government  | Periwinkle
(408)356-8506  | services. The market doesn't | 16345 
Englewood Ave
www.pwpconsult.com | want to pay for them.| Los Gatos, 
CA 95032

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Re: [Elecraft] K3 Receiver mush

[Ed Muns]

I concur with most, but not all, of N6TV's recommendations below.  If we all
agreed on all the CONFIG parameters they wouldn't need to be variable!

One that I particularly disagree with is how to narrow the IF bandwidth in
SSB mode.  The recommendation to narrow the bandwidth and then lower the IF
Shift is unnecessarily cumbersome on SSB.  After going through these
gyrations, you'll find that the LO CUT is where it was before you started.
So, all that needs to be done to narrow the SSB IF bandwidth is simply
decrease HI CUT.  One quick, easy operation and the audio is entirely
intelligible throughout the adjustment.

Ed W0YK
___ 

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jim
Brown
Sent: 24 February, 2017 10:54
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 Receiver mush

On Thu,2/23/2017 6:32 PM, Bob Wilson, N6TV wrote:
> For reference, here are my preferred AGC and other settings for contesting
with a K3 and large CW pileups.

Bob's a great op, so I really appreciate seeing his settings. But 
they're all run together in his email with no paragraphs or punctuation, 
so it's very hard to read. I copied his settings into a word processor 
and added paragraphs.

73, Jim K9YC

-   -   -  -   -   -   -

First, set *CONFIG:TECH MD ON* to un-hide some AGC settings.Set 
CONFIG:TECH MD OFF when finished, to eliminate distracting values from 
accidentally appearing in the SubRx display (PLL1, AFV, dBV, etc.)

*AF GAIN LO* -- Cuts audio hiss.May not work with all headphones.OK on Heil.

*AF LIM 20* -- Only takes effect when AGC is OFF (rarely used)

*AGC DCY Soft* -- Reduces AGC-induced IMD, recommended for pileups

*AGC HLD 0.05* -- Slow AGC hold time (50 ms).Reduces AGC-induced IMD, 
recommended for pileups.Works with AGC-S only, no affect when using AGC-F.

*AGC PLS NOR* -- Loud static pulses do not pump AGC

*AGC SLP 010*-- A pretty "flat" AGC response curve.I may move this lower 
since pileups of loud guys can blend together, but I like this setting 
because it saves my ears.

*AGC THR 010* -- AGC kicks in at about S-8.Signals lower than THR behave 
as they would with AGC OFF ( +1 dB of RF = +1 dB of audio)

*AGC -F 120* -- Factory default fast AGC decay rate (recovery 
time).Higher = faster.Faster can be bad.

*AGC -S 20*-- Factory default slow AGC decay rate (recovery time).Higher 
= faster.Faster can be bad.

*RF GAIN at 3 O'Clock or less* except when all signals and band noise 
are very low (e.g. 10m)

*AF GAIN* never higher than 3 O'Clock

*AFX OFF*

*NR OFF*

*NB OFF*

*RIT OFF*

*XIT OFF*


FL1 to FL5 BW set to match labeled filter bandwidth exactly, not wider 
or narrower.

Use *AGC-F* or *AGC-S* for CW, whatever works best for you.

Use *AGC-S* for SSB.

CW Pitch 500 (or to taste), IF shift centered (on CW)

500 Hz InRad 8-pole filter on CW

2.8 kHz 8-pole filter on SSB (1.8 8-pole when bands crowded, *must move 
IF SHIFT lower for pleasing audio*)

Use *XFIL* button to toggle between filters and reset the IF shift, 
rather than NOR (hold) button

*PREamp ON* for 15m and up, *PREamp OFF* for all other bands

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Re: [Elecraft] K-pod question

[Ed Muns]

5.50/1.25/2.87 is the latest firmware release.  5.54/1.26/2.88 is Beta 
firmware.  That's the issue.

73,
Ed W0YK
On Dec 12, 2016 3:48 AM, Keith Onishi <jh3...@sumaq.jp> wrote:
>
> My K-Pod with the latest firmware release does not show such symptom. So D4 
> is always OFF unless sending command to set D4 on.
> MCU/FPF/DSP is 5.54/1.26/2.88.
>
> 73 de JH3SIF, Keith
>
> > 2016/12/12 19:15、Ed K1EP <k1ep.l...@gmail.com> のメール：
> > 
> > My D4 is always on too, as I have upgraded to the latest release. Although
> > I have had my KPod for a while, I just started using mine regularly. I
> > thought there were a couple of macros that didn't work right, but I
> > attributed that to my lack of macro experience on the K3.  I will take a
> > closer look now and see if the Beta firmware is the fix.
> > 
> > On Dec 12, 2016 2:42 AM, "Ed Muns" <e...@w0yk.com> wrote:
> > 
> >> Hopefully, someone from Elecraft will address this question soon, but
> >> meanwhile here is what I've discovered.
> >> 
> >> I have two K-Pods, each with firmware 1.02.  When Mike contacted me
> >> off-list
> >> about this "D4 always on" question, I replied no, D4 should not be on.  It
> >> has never been on in my units.
> >> 
> >> Then, I updated to K-Pod Production firmware version 1.09 today and guess
> >> what?  Now, my D4 LEDs were on all the time.  Moreover, the K-Pod command
> >> to
> >> turn them off didn't work.  In fact, none of the K-Pod commands worked.
> >> 
> >> I had the latest Production MCU/FP/DSP firmware installed so it never
> >> occurred to me that maybe the Beta firmware was required.  Nonetheless, I
> >> installed the latest Beta firmware and the D4 LED extinguished as soon as
> >> Beta FP 1.26 installed.  And, now all the K-Pod commands work again.
> >> 
> >> So, if (1) you are a recent recipient of a K-Pod with 1.09 firmware, or (2)
> >> have updated your K-Pod to firmware version 1.09, you might need to load
> >> the
> >> Beta MCU 5.54/FP 1.26/DPS 2.88 firmware if the issues described here
> >> concern
> >> you.  As far as I could tell, all other aspects of the K-Pod worked fine
> >> with K-Pod 1.09 and the current Production K3 firmware versions.
> >> 
> >> Ed W0YK
> >> 
> >> 
> >> Mike VE3WDM asked:
> >> 
> >> Good afternoon, I just connected the K-pod to my K3 for the first time
> >> after
> >> updating the firmware to the latest. I noticed that D4 is always on just
> >> wondering if this is normal?
> >> 
> >> __
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> >> 
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Re: [Elecraft] K-pod question

[Ed Muns]

Hopefully, someone from Elecraft will address this question soon, but
meanwhile here is what I've discovered.

I have two K-Pods, each with firmware 1.02.  When Mike contacted me off-list
about this "D4 always on" question, I replied no, D4 should not be on.  It
has never been on in my units.

Then, I updated to K-Pod Production firmware version 1.09 today and guess
what?  Now, my D4 LEDs were on all the time.  Moreover, the K-Pod command to
turn them off didn't work.  In fact, none of the K-Pod commands worked.

I had the latest Production MCU/FP/DSP firmware installed so it never
occurred to me that maybe the Beta firmware was required.  Nonetheless, I
installed the latest Beta firmware and the D4 LED extinguished as soon as
Beta FP 1.26 installed.  And, now all the K-Pod commands work again.

So, if (1) you are a recent recipient of a K-Pod with 1.09 firmware, or (2)
have updated your K-Pod to firmware version 1.09, you might need to load the
Beta MCU 5.54/FP 1.26/DPS 2.88 firmware if the issues described here concern
you.  As far as I could tell, all other aspects of the K-Pod worked fine
with K-Pod 1.09 and the current Production K3 firmware versions.

Ed W0YK


Mike VE3WDM asked:

Good afternoon, I just connected the K-pod to my K3 for the first time after
updating the firmware to the latest. I noticed that D4 is always on just
wondering if this is normal?

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Re: [Elecraft] XMIT button not working?

[Ed Muns]

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Re: [Elecraft] XMIT button not working?

[Ed Muns]

I'm on the latest K3 firmware (5.52?) and the XMIT button continues to work as 
it always has in all modes, including RTTY.

I can't think of what would cause it not to work and display 'N/A'.  I doubt it 
is unique to the K3s.
On Sep 27, 2016 4:02 PM, ab2tc  wrote:
>
> Hi, 
>
> Nobody has responded to this so I'll hop in with what I know. 
>
> Apparently the XMIT button was disabled for all data modes in firmware 
> version 5.47 and all later versions. This has nothing to do with K3/K3S; 
> both are affected. 
>
> AB2TC - Knut 
>
>
> jeff stai-2 wrote 
> > hi - I'm used to using this button to nudge the amp into auto tune/band 
> > change by toggling it on and off briefly. I am in data/FSK mode. It works 
> > fine on the older K3 but for some reason on the K3S I am getting an "N/A" 
> > on the display and nothing happens. Why would I be getting N/A? 
> > 
> > Thanks and 73 jeff wk6i 
> > 
> > -- 
> > Jeff Stai ~ 
>
> > wk6i.jeff@ 
>
> > Twisted Oak Winery ~ http://www.twistedoak.com/ 
> > Facebook ~ http://www.facebook.com/twistedoak 
>
>
>
>
>
> -- 
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/XMIT-button-not-working-tp7622859p7622868.html
>  
> Sent from the Elecraft mailing list archive at Nabble.com. 
> __ 
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Re: [Elecraft] K3 -TX test not sticky

[Ed Muns]

I think the current firmware implementation for this (non-sticky) is OK.
But, I sympathize with your concern.

In my use of the K3 (SN-11, SN-17 and SN-4959, with all the possible K3S
upgrades), I sometimes wish TX TEST were sticky through a power cycle, but
most times am glad it is not sticky.

Even though I'm a long-time K3 user, I'm still sometimes baffled when
transmit doesn't work due to the rig being in TX TEST mode.  I've lost count
of how many contests I've started with no one coming back to me when I
eventually discover I was still in TX TEST mode from testing before the
contest.  Thus, the argument for non-sticky.

OTOH, lately I've been spending a lot of time with CSS (the Contest Super
Simulator) and I'm having the opposite issue.  I fire up the simulator,
WriteLog and the K3, only to realize (long into my simulation session) that
I am transmitting rather than being in TX TEST mode.  This is due to the
non-sticky aspect through a power cycle.

So, I can see both sides, but on balance I believe the current non-sticky
implementation is best.

BTW, one could argue for a user-configuration parameter in CONFIG to choose
between sticky and non-sticky, but I still think that is a waste of Wayne's
valuable firmware time for little benefit.

Ed W0YK


Brian K3KO wrote:

Recently I was doing something requiring that K3 not transmit power.
TX test was selected.

I expected that it would retain this setting after shutdown and 
subsequent restart.

It does NOT stick with a K3 S/N 8XXX and FW 5.38.

Is this the way it is supposed to work?

Fortunately we didn't transmit into anything and destroy it.

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Re: [Elecraft] ATTN: K6CTW

[Ed Muns]

Off-list email reduces postings for everyone.  :-)

73,
Ed W0YK
On Aug 8, 2016 12:51 PM, Bill  wrote:
>
> Personally, I do not like off-list responses - unless they are 
> solicited. If responses are made on list, we all get to learn. Off list 
> responses do not help the rest of us at all. 
>
> Bill W2BLC K-Line 
>
>
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Re: [Elecraft] KX2 Data operation.

[Ed Muns]

What heat issue?  My KX2 runs RTTY at 10 watts.  If the transmit-receive ratio 
is too high, or if the transmission is too long, the PA temperature may reach 
the limit where power is reduced to 5 watts.


73,
Ed W0YK
On Jul 23, 2016 5:10 AM, "Dick,WN3R"  wrote:
>
> I have a KX3 and never added the third party heat sink, but will probably 
> install the one now offered by Elecraft. 
>
> I'm seriously looking over the KX2. I'd be interested in hearing from owners 
> of both rigs about digital operation comparisons. 
>
> How has the heat issue been addressed in the KX2? 
>
> If this question has been asked and answered, please tell me where I can find 
> them. 
>
> Thank you. 
>
> 73, Dick, WN3R 
>
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[Elecraft] K-Pod Usability

[Ed Muns]

The K-Pod really enhanced my SO2V operation in the NAQP RTTY contest last
night.  While running on VFO-A, I used the K-Pod predominantly for VFO-B to
tune the band, using the P3 as guidance, for finding other CQing stations to
work.  Overall, I felt I did a far better job (faster and more thorough)
using the K-Pod instead of the normal VFO-B knob.

(For SO2V, another configuration is to run on VFO-B so that S is done on
VFO-A.  While this has the advantage of a larger tuning knob, it still
requires the hand to reach over the keyboard.)

First, it was much easier to simultaneously tune VFO-B with the K-Pod next
to my keyboard so that my hand could more easily move between it and the
keyboard as needed.  Of course, with my RTTY contest configuration, I seldom
need both hands on the keyboard.  Nearly all keyboard usage is simply
tapping keys to which messages are mapped, so one hand is sufficient.  (This
also makes SO2R RTTY easier than CW and SSB where more touch typing is
needed.)  RTTY callsigns are grabbed automatically without typing them.

I used to reach for the VFO-B knob on the K3 front panel which worked fine
but is much more awkward and time consuming than using the K-Pod next to the
keyboard.  It is easier to fine tune with the K-Pod than the normal VFO-B
knob, reaching over the keyboard with my hand suspended in mid-air.

Second, the rocker switch beneath the K-Pod tuning knob is ergonomically
excellent.  When a station would call me offset from my VFO-A frequency, I
simply used my thumb to temporarily define the K-Pod knob for RIT, zero-beat
the calling station, then move the rocker switch back to VFO-B, all while my
hand was still near the keyboard with minimal movement.  Since my QSL
message clears the RIT offset, I was ready for the next caller, hopefully
closer to zero-beat.  I also have one of the K-Pod buttons programmed to
clear the offset when needed, so again not having to reach over the keyboard
to press CLR on the K3 front panel.

The K-Pod is capable of much, much more functionality, but it is first
important that it perform basic functions like these in a significantly
better way than the radio front panel.  That's what I experienced!

Ed W0YK

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Re: [Elecraft] New KXPD2 paddle for KX2

[Ed Muns]

The KXPD2 feels really good to me.  It works well with the lightweight radio, 
even with my relatively heavy fist.  There is only one adjustment--contact 
spacing, which is easy with the attached Allen key.
On Jul 16, 2016 11:14 AM, Ken Talbott  wrote:
>
> This week I replaced the KXDP3 paddle on my KX2 with the KXPD2.  I like the 
> feel and adjustability of the KXPD2.  Since it is shorter, the rig does not 
> tend to move around as much.  I had problems with the KXPD3 which forced me 
> to be very assertive!  The KXPD2 seems (so far) to operate with a much 
> lighter touch.  If you like the idea of a closely integrated paddle and do 
> not own either, I would recommend the KXPD2.  If you own a KXPD3 and it is 
> functioning well, I would continue to use it.  BTW, I am still  eating my 
> way up the CW food chain.  Most of my operating is between 10 and 15 WPM for 
> ragchews with frequent excursions above 20 WPM for contests in which the 
> exchanges are predictable.  You might want to wait for feedback from a QRQ 
> operator. 
> GL de ken ke4rg 
>
> -Original Message- 
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Joe 
> W2KJ 
> Sent: July 16, 2016 11:50 
> To: elecraft@mailman.qth.net 
> Subject: [Elecraft] New KXPD2 paddle for KX2 
>
> Howdy Gang: 
>
> I wonder what the users of the new KXPD2 paddle for the KX2 think of this 
> paddle? 
>
> Touch, feel, sensitivity, adjustability, etc...is it a worthwhile addition 
> to the KX2? 
>
> Many thanks for any info. 
>
> 73, Joe W2KJ 
> I QRP, therefore I am 
> KX3, KX2 
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Re: [Elecraft] KPOD RIT/XIT

[Ed Muns]

This is a perfect application for the K-Pod macro buttons.  If the K-Pod had 
dedicated controls that satisfied most users, it would be a K3 front panel.

As is, the K-Pod is small so it can be conveniently located and completely 
user-definable for each individual's needs of their most critical K3 functions.

73,
Ed W0YK
On Jul 13, 2016 2:42 PM, W0FK  wrote:
>
> W0FK wrote 
> > When I put the KPOD rocker switch in the RIT/XIT mode, unless I press the 
> > RIT or XIT switch on my K3S  turning the knob does nothing. That's not 
> > surprising, but is there anyway to control RIT and XIT on/off on the KPOD 
> > - without writing a macro? Shouldn't that be built into the firmware? 
> > 
> > Lou, W0FK 
>
>
> I semi-answered my own question. I programmed the RIT and XIT to toggle 
> on/off as follows: 
>
> RIT - Macro 14 (tap F6) use SWT45; 
> XIT - Macro 15 (tap F7)  use SWT47; 
>
> Seems to me that a dedicated/labeled swith setting woulf be better. 
>
>
>
>
>
> - 
> St. Louis, MO 
>
>
> -- 
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/KPOD-RIT-XIT-tp7619879p7620081.html 
> Sent from the Elecraft mailing list archive at Nabble.com. 
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Re: [Elecraft] KX2 Portable Ant

[Ed Muns]

You'll also want a counterpoise wire connected to a mini-banana plug
inserted into the corner hole on the KX2.  It can drag on the ground as you
want and if it gets snagged or stepped on, it simply disconnects easily from
the KX2.

Ed W0YK
___

Ray K2ULR wrote:

The MFJ-18XX series is probably what that was.  XX is replaced by your band
of choice.  The whips are base loaded, and only work on one band.


> On Jul 11, 2016, at 3:14 PM, Phil Wheeler  wrote:
> 
> For walking one of the MFJ whips seems a reasonable choice. Wayne did some
posts on that a month or two ago.

> On 7/11/16 6:37 AM, Robert Reiman wrote:
>>  What portable or walk about Antenna could I use with my KX2? 72's  Bob
kb9ivakb9...@sbcglobal.net

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Re: [Elecraft] K-Pod owner's manual?

[Ed Muns]

Yes, a printed copy came with my Field Test unit.

Ron is pushing to get a PDF online.

Ed W0YK


-Original Message-
From: Bob [mailto:k...@ptd.net] 
Sent: 27 June, 2016 20:00
To: Ed Muns; Elecraft Reflector
Subject: Re: [Elecraft] K-Pod owner's manual?

How?

Are you a beta tester?

Sure wish it was available so the mod could be done for power via the 
interconnect cable.

Be plug and play ready then.

After all shipping starts tomorrow per Web shipping status. Anybody taking
bets?

Bob
K2TK  ex KN2TKR (1956) and K2TKR

On 6/27/2016 10:03 PM, Ed Muns wrote:
> Yes.
>
> 73,
> Ed W0YK
> On Jun 27, 2016 6:33 PM, Ian <iann...@gmail.com> wrote:
>> Anyone seen an owner's manual for the K-Pod?
>> 73, Ian N8IK
>> __
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>>


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Re: [Elecraft] K-Pod owner's manual?

[Ed Muns]

Yes.

73,
Ed W0YK
On Jun 27, 2016 6:33 PM, Ian  wrote:
>
> Anyone seen an owner's manual for the K-Pod? 
> 73, Ian N8IK 
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[Elecraft] K8ZOA SK and Clifton Laboratories

[Ed Muns]

>From today's Daily DX:
 
On Wednesday K8ZOA, Jack R. Smith, passed away from liver, kidney and 
respiratory complications.  He was both a lawyer and engineer working 
for both the FCC and private practice law firms.  Jack was an inventor 
and created Clifton Laboratories.  Earlier this month DX Engineering 
purchased Clifton Laboratories and plans to continue manufacturing 
those "products in the exact same fashion and service Jack did", says 
K3LR, Tim Duffy, Chief Operating Officer of DX Engineering.

Ed W0YK

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Re: [Elecraft] Performance of internal USB sound system compared toexternal one?

[Ed Muns]

All my other Windows sound devices with two channels have independent level
controls, one for each channel, plus the ability to link them together and
adjust equally.

For whatever reason, I've often found that I need a different level setting
to set the no-signal baseline in the decoders for each receiver.  In theory,
perhaps that shouldn't be necessary but in practice it is.

Ed W0YK

-Original Message-
From: guyk...@gmail.com [mailto:guyk...@gmail.com] On Behalf Of Guy Olinger
K2AV
Sent: 14 June, 2016 14:24
To: Ed Muns
Cc: Jeff Stai; Elecraft Mailer
Subject: Re: [Elecraft] Performance of internal USB sound system compared
toexternal one?

To be strict, a stereo gain control (volume is a misnomer) will adjust
both channels equally, then if supplied, there is a balance control
which creates a ratio of left to right channel gain which is
maintained regardless of the gain control.

What you seem to be asking for is the ability to treat left and right
as if they were independent channels, which I would guess is very rare
in drivers.

"Volume" depends on channel gain and a lot of other things. At the
input of various end user devices, the volume range is specified. The
volume coming from upstream devices can depend on a lot of things, RF
gain, AGC settings, conditions, and possibly others in addition to
codec channel gain.

Why would you need a stereo balance control for use in data modes?
Dual RX and "diversity" decode? If a K3 dual RX diversity kind of
operation, why wouldn't equal gain on left and right be required?

Regardless, 73 and good luck,

Guy K2AV

On Tue, Jun 14, 2016 at 4:54 PM, Ed Muns <e...@w0yk.com> wrote:
> Yes, there are two receive audio channels for the Main and Sub receivers
in
> the CODEC.  The Windows driver level control adjusts both channels
> identically.  If there is any unbalance or for some reason you want to
> independently adjust the two channels, it can't be done.  The driver
> communication with Windows should trigger the stereo level control, but
> doesn't.
>
> The CODEC is the TI PCM-2902.
>
> Ed W0YK
>   _
>
> From: Jeff Stai [mailto:wk6i.j...@gmail.com]
> Sent: 14 June, 2016 13:15
> To: e...@w0yk.com
> Cc: Robert Wood; Ken Arck; Elecraft Mailer
> Subject: Re: [Elecraft] Performance of internal USB sound system compared
> toexternal one?
>
> On Tue, Jun 14, 2016 at 12:44 PM, Ed Muns <e...@w0yk.com> wrote:
>
> One issue I have with the K3S CODEC is that Windows installs a monaural
> level control rather than separate left and right channel level controls
for
> the two receive audio streams.  There also seems to be some kind of AGC
> action going on where the levels actually change over time.  This appears
to
> be eliminated by the chip manufacturer's CODEC driver that I found online,
> though it is still monaural.
>
> You still have a left and right channel, you just can't set the levels
> independently, correct?
>
> I haven't seen the AGC issue, but maybe I haven't noticed the levels
> changing very much. Who is the chip mfr?
>
> Thanks! - jeff wk6i

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Re: [Elecraft] Performance of internal USB sound system compared toexternal one?

[Ed Muns]

Yes, there are two receive audio channels for the Main and Sub receivers in
the CODEC.  The Windows driver level control adjusts both channels
identically.  If there is any unbalance or for some reason you want to
independently adjust the two channels, it can't be done.  The driver
communication with Windows should trigger the stereo level control, but
doesn't.

 

The CODEC is the TI PCM-2902.

 

Ed W0YK

 

  _  

From: Jeff Stai [mailto:wk6i.j...@gmail.com] 
Sent: 14 June, 2016 13:15
To: e...@w0yk.com
Cc: Robert Wood; Ken Arck; Elecraft Mailer
Subject: Re: [Elecraft] Performance of internal USB sound system compared
toexternal one?

 

 

On Tue, Jun 14, 2016 at 12:44 PM, Ed Muns <e...@w0yk.com> wrote:

One issue I have with the K3S CODEC is that Windows installs a monaural
level control rather than separate left and right channel level controls for
the two receive audio streams.  There also seems to be some kind of AGC
action going on where the levels actually change over time.  This appears to
be eliminated by the chip manufacturer's CODEC driver that I found online,
though it is still monaural.

 

You still have a left and right channel, you just can't set the levels
independently, correct?

 

I haven't seen the AGC issue, but maybe I haven't noticed the levels
changing very much. Who is the chip mfr?

 

Thanks! - jeff wk6i 

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Re: [Elecraft] Performance of internal USB sound system compared toexternal one?

[Ed Muns]

I've used the KIO3B CODEC for over 6 months in contests and DXing with
MMTTY, 2Tone and GRITTY.  Anecdotally, it is as good as or better than any
internal or external PC soundcard I've ever used for these three decoders.

For PSK, JT65 and other digital modes I don't know how it stacks up with the
high dynamic range soundcards.  Perhaps the K3 CODEC has enough dynamic
range, but I've not seen any evaluation of that.

One issue I have with the K3S CODEC is that Windows installs a monaural
level control rather than separate left and right channel level controls for
the two receive audio streams.  There also seems to be some kind of AGC
action going on where the levels actually change over time.  This appears to
be eliminated by the chip manufacturer's CODEC driver that I found online,
though it is still monaural.

Ed W0YK
_

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Robert
Wood
Sent: 14 June, 2016 11:50
To: 'Ken Arck'; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Performance of internal USB sound system compared
toexternal one?

also curious if anyone has used the USB audio into MMTTY or 2Tone for
decoding RTTY and your report ?
73 Robert W5AJ


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ken
Arck
Sent: Sunday, June 12, 2016 8:27 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Performance of internal USB sound system compared to
external one?

Admittedly, I am a new owner of the K3s and am still learning my way around
it. I bought it mainly for use an IF radio for my DEMI 2 mtr xvtr, which I
use for EME work. It came highly recommended as one. 
Prior to the K3s, my EME workhorse radio was a Kenwood TS2K which actually
worked "fine" but as most are. I am always looking to improve my station. I
used a RigBlaster as the sound card interface with the computer used.

I am using the USB port for everything - audio in/out, PTT, CAT control,
etc. along with some VSP software. I also run a splitter on the RX line from
the EME array with one side going to the DEMI xvtr and the other to a
FuncubePro+ dongle. The K3s feeds WJST and the 
FCD+ feed MAP65, running side-by-side.

Trying NOT to drag this out too much longer, it seems to me the K3s/DEMI
setup simply doesn't decode as well as the TS2K did (does?) and I'm
wondering if anyone has real world experience in comparing how well the USB
audio method versus the IN/OUT and the Rigblaster interface to the
computer's soundcard. The FCD+ decodes MUCH better than the K3s/DEMI setup
as I currently have it whereas the TS2K seemed to be better on the weaker
signals.

Maybe I just don't have something setup correctly.

TIA

Ken


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Re: [Elecraft] Shipping of KX2's

[Ed Muns]

Read the Shipping Status webpage.

73,
Ed W0YK
On Jun 7, 2016 11:20 AM, Joe W2KJ  wrote:
>
> Howdy Gang: 
>
> I ordered my KX2 on 25 May and am wondering when I might expect to receive 
> it. 
>
> Has anone received a KX2 recently and, if so, on what date did they place 
> their order? 
>
> Many thanks for any info. 
>
> Anxiously awaiting this little beauty (grin). 
>
> 73, Joe W2KJ 
> I QRP, therefore I am 
>
>
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Re: [Elecraft] Announcing the KX2 80-10 m, SSB/CW/Data transceiver

[Ed Muns]

I have been using a Begali Adventurer Mono on my KX2 SN 20 for several weeks
now with no problem.  The screws look short enough and are not anywhere
close to the PCB.

This morning (Friday) before the Dayton vendor displays opened, I had Wayne
look at my paddle and he verified that the screws were short enough.

Ed W0YK

___ 

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ron
D'Eau Claire
Sent: Friday, May 20, 2016 14:53
To: 'Phil Wheeler'; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Announcing the KX2 80-10 m, SSB/CW/Data transceiver

Sorry for the confusion Phil.  This is the question and answer I added a bit
of information to. Saw nothing about the Begali Adventure there. 

 

   "Q:

Can I use a KXPD3 with the KX2?

A:

Yes; however, you may need to update the KXPD3. If your KXPD3 has one thumb
screw that's longer than the other, order part no. E700425 to replace the
original left-hand thumb screw on the KXPD3. Use of the original longer
thumb screw would damage the KX2."

 

Ron 

 

From: Phil Wheeler [mailto:w...@socal.rr.com]
Sent: Thursday, May 19, 2016 8:10 PM
To: Ron D'Eau Claire; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Announcing the KX2 80-10 m, SSB/CW/Data transceiver

 

Ron,

Mike's question was "Will the Begali "Adventure" paddles fit the KX2 as well
as the KX3?"

Is your answer for the Adventure or for the KXPD3?  My take is that it's
safe to assume that the Adventure screws might be even longer than the
longest one on the KXPD3 -- lacking an input from Begali.

73, Phil W7OX

On 5/19/16 8:02 PM, Ron D'Eau Claire wrote:

Engineering tells me they clear, even with the long tip, but the long one is
only a few mil away from an inductor, so a good tightening could end up
hitting the inductor and damaging the main board. 
 
You can order a second short screw to replace the longer one with. That also
eliminates any issues with having the screws in the right locations on the
KX3 too. Order E700245.
 
An alert is scheduled to be shipped with every KX2 warning about this issue.
 
 
In the meantime, the KXPD3 paddles work just fine leaving the long thumb
screw loose. At least they do for me! 
 
73, Ron AC7AC
 
-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil
Wheeler
Sent: Thursday, May 19, 2016 5:30 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Announcing the KX2 80-10 m, SSB/CW/Data transceiver
 
Mike,
 
 From the KX2 FAQ
http://www.elecraft.com/manual/KX2%20FAQ%20v-1-1a.pdf
 
   "Q:
Can I use a KXPD3 with the KX2?
A:
Yes; however, you may need to update the KXPD3. If your KXPD3 has one thumb
screw that's longer than the other, order part no. E700425 to replace the
original left-hand thumb screw on the KXPD3. Use of the original longer
thumb screw would damage the KX2."
 
So it appears the Adventure mount will fit, but that we may need to shorten
the screws a bit.  Not sure what "a bit" is!
 
73, Phil W7OX
 
On 5/19/16 3:16 PM, Mike via Elecraft wrote:

Will the Begali "Adventure" paddles fit the KX2 as well as the KX3?
  
Mike KD8RQE

 

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Re: [Elecraft] KIO3B woes

[Ed Muns]

Make sure you have set 'USB' in the K3 CONFIG menu RS232 item.

Ed W0YK

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Steve
Ward
Sent: 06 May, 2016 18:34
To: elecraft@mailman.qth.net
Subject: [Elecraft] KIO3B woes

Hi all, so I just got back in town last night, and I wanted to get my 
new KIO3B installed in s/n 1544 so I could give it a run during 7QP.  
Assembly went smoothly enough and the "Y" cable to the P3 seems to be 
doing its thing just fine.

But my Windows 10 computer isn't talking to the K3 or the P3 anymore.  
Device manager sees both the sound card and the serial port (assigned to 
COM5) but neither the K3 utility or the P3 utility (both latest 
versions) can talk with their respective equipment. They just cycle 
through all the baud rates trying to make a connection (I checked and 
both K3 and P3 are set to 38400).

What have I missed?  I checked all the firmware revisions before 
starting and everything looks just fine.  I double checked the position 
of the slide switch on the I/O board before closing the radio up.  Any 
ideas?  I would hate to have to tear it all apart again tonight just to 
get on the air for the contest tomorrow, but it's starting to look like 
that's my answer.  Please copy me on any replies because I get the 
digest version of the reflector and it'll be a while before another one 
comes through.

Thanks everyone!

73,
Steve
AD7OG
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Re: [Elecraft] K3 POD

[Ed Muns]

The K-Pod USB port updates only the K-Pod firmware, not the K3 firmware.

Ed W0YK


Ben W4SC wrote:

Is this another path available to update K3/K3S f/w? It will be nice if it
is.  Not clear in the spec sheet.

USB Port and 3 General-Purpose Outputs 

A USB port is provided on the K-Pod for firmware updates...

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Re: [Elecraft] Just getting a K3 and wonder what desk microphone is recommended (reasonably priced though). Ron KK6ZRA

[Ed Muns]

Or, make up a short adapter cable from the K3 to the microphone plug.  That
way, neither the microphone nor the K3 is modified.

Ed W0YK


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don
Wilhelm
Sent: 20 April, 2016 15:02
To: Ron Reis; Elecraft@mailman.qth.net
Subject: Re: [Elecraft] Just getting a K3 and wonder what desk microphone is
recommended (reasonably priced though). Ron KK6ZRA

Kenwood's dynamic microphones are compatible with the Elecraft pinout.  
Be cautious of those with an amplifier which need a voltage on pin 5 - 
Elecraft puts the DC voltage on pin 6, so those will not work unless the 
mic plug wiring is altered.

You can use just about any dynamic or electret element microphone if you 
are willing to re-wire the mic plug to match the Elecraft pinout.

73,
Don W3FPR

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Re: [Elecraft] , K3 Gold Plated Plug Replacment

[Ed Muns]

The remaining tin-plated connectors are not a problem because both the pins
and sockets are the same metal.

The problem with the replaced connectors is that the sockets were tin-plated
and the pins were gold-plated (maybe the other way around).  Over time the
dissimilarity of these two metals develop some coating that gradually can
cause intermittent electrical connection.  The fix is to replace these
locations with gold-plated connections.

Ed W0YK
___

Dave KD1NA wrote:

I have an old K3 ( Serial # 934 ) and was starting to be plagued by
interconnection problems inside of my K3 caused by the tin plated plugs.
After contacting Elecraft I received 2 connector kits. One for the 100 watt
power amp connections ( KPA3 ) and one for the front panel ( J30 and 35 ).
Since I installed these gold plated pluge my interconnection problems seem
to have gone away. I am still concerned about the remaining tin plated
plugs in my K3 but Elecraft indicated that there has been no known issues
with these remaining tin plated connectors.

My question is has anyone who owns an old K3 experienced any other tin
plated pin issues with internal K3 connectors other than the ones that
Elecraft addressed?

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Re: [Elecraft] K3s AFSK frequencies

[Ed Muns]

On RTTY, AF limiting doesn't occur because I run the AF Gain very low.  I
only need to hear the presence or absence of a RTTY signal.

On CW, I agree, because I turn the AF Gain up higher.  But, I also run a
lower AGC THR than I would on RTTY.  Thus, when changing modes between CW
and RTTY, it is easier to leave AGC setup for CW and just turn it On or Off
rather than go into CONFIG and change AGC THR.

For RTTY, though, slow AGC will yield a lower error rate than fast AGC with
the modern software decoders.

Ed W0YK
__

Dave K6LL wrote:

>Ed is correct on this, but turning AGC off on the K3 causes 
>problems with loud signals due to the hard-limiting and 
>distorting action of the AF Limiter.  A better approach with the 
>K3 is to use fast AGC, AGC SLP=0, and AGC THR as high as 
>possible without causing a sound card overload warning on the 
>loudest signals.  For RTTY, with my usual gain settings, I find 
>that AGC THR = 17 works well. 

Ed W0YK wrote:

>>For RTTY, AGC should be Off, another conflict with conventional 
>>thinking.

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Re: [Elecraft] K3s AFSK frequencies

[Ed Muns]

RTTY audio tones are personal choice only affecting the audio at your
station.  I can use 2125/2295 and you can use 1275/1445 when we communicate
with each other.  This is analogous to me using a CW pitch of 800 Hz and you
using 400 Hz in the same QSO.  The local audio tones we each choose have no
impact on the other station.

Two caveats:

1.  With AFSK, but not FSK, transmission, using low tones, e.g., 915/1085,
allows their second harmonic to fall within the radio's TX IF passband,
e.g., 2800 Hz, creating QRM to the extent of the second harmonic.

2.  Most radios show the SSB suppressed carrier frequency in AFSK mode
rather than the Mark frequency which is the convention for denoting RTTY.
The suppressed carrier frequency will differ from the RF Mark frequency by
the amount of the local audio Mark frequency.  This usually leads to
inconsistent frequencies being communicated, for example, in a spotting
network.  The K3/K3s, however, show the RTTY Mark frequency on the dial in
both AFSK or FSK transmit modes.

With most of today's software decoders (MMTTY, 2Tone, GRITTY, Fldigi, MixW,
etc.), an IF bandwidth of at least 500 Hz is recommended.  The decoding
algorithms make use of the sidebands outside the 170 Hz shifted frequencies
to decrease error rate.  Narrower IF filters may be appropriate in very rare
situations where near-by strong signals can be reduced from overloading the
IF.  But, this comes at a cost of higher RTTY error rate.  I seldom, if
ever, go below 500 Hz even in the worst of QRM situations.

This also means that slightly lower error rate is achievable with the K3/K3s
Dual-Tone Filter DISabled, contrary to conventional intuition.

For RTTY, AGC should be Off, another conflict with conventional thinking.

Ed W0YK
___
 
Mike N4CF wrote:

Hello to the group. I just put my new K3s/100 into service, and have a 
question about the Mark frequency to use with AFSK. Before the K3s, I 
used a SignaLink with my KX3 and MMTTY. With that setup, I set MMTTY to 
use 915 Hz for the Mark frequency, and everything worked fine.

Fiddling with the K3s and its internal USB sound card (I love that!), I 
can select various higher Mark frequencies using the PITCH button, and 
set MMTTY accordingly, and the K3 still decodes the RTTY.

So my question is, what is the "standard" or common Mark frequency to 
use for AFSK on the K3? Or is it a matter of personal preference -- 
which sounds better to my ears when tuning RTTY signals?

Also, what bandwidth is commonly used for 170 Hz-shift RTTY? I stocked 
this K3s with four 8-pole filters, including 400 Hz and 250 Hz. The 250 
Hz filter works with RTTY, but the MMTTY X-Y scope pattern looks like I 
might be pushing things with that narrow a filter. the 400 Hz filter 
looks better.

But David (I think) at Elecraft told me when I made my list of filters 
that I'd be using 2.1 kHz or 2.8 kHz for RTTY. That doesn't make a lot 
of sense to me if QRM is present. OTOH, MMTTY is decoding specific 
tones, so maybe filter width doesn't make much difference.

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Re: [Elecraft] P3 Panadaptor

[Ed Muns]

Maximize and utilize the waterfall portion of the display.

Ed W0YK
_

John KK9A wrote:

I added the P3 panadaptor to my K3S line this year  I have used it twice -
in the CW WPX RTTY contest and in last weekend's WPX Phone contest. I have
not found any use for it (in contesting) other than to tell me that the band
segment is fill of signals, which I already knew. I did not notice any
obviously quiet frequencies that would be good to CQ on, nor can I tell when
a big pileup occurs on a new potential multiplier.  What is the secret to
using a P3 during major contests?

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Re: [Elecraft] Contest Settings

[Ed Muns]

Wayne, is hardware AGC still "on" when (software) AGC is set to "off"?

73,
Ed W0YK
On Mar 21, 2016 00:23, Wayne Burdick  wrote:
>
> If you run with AGC off, you'll probably want to use CONFIG:AF LIM to 
> establish an upper volume limit. See AF LIM in the menu listings. 
>
> 73, 
> Wayne 
> N6KR 
>
>
> On Mar 20, 2016, at 4:11 PM, Dave Cole  wrote: 
>
> > Be very careful with the AGC off...  The K3 has enough dynamic range to 
> > blow your ears up pretty well..  I have a neighbor that runs a KW, and 
> > if he comes up on my frequency, while I am listening for weak DX, it 
> > hurts... 
> > -- 
> > 73's, and thanks, 
> > Dave (NK7Z) 
> > 
> > For software/hardware reviews see: 
> > http://www.nk7z.net 
> > 
> > For MixW support see: 
> > https://groups.yahoo.com/neo/groups/mixw/info 
> > 
> > For SSTV help see: 
> > http://groups.yahoo.com/neo/groups/MM-SSTV/info 
> > 
> > 
> > On Sun, 2016-03-20 at 12:51 -0700, Jeff Kinzli wrote: 
> >> Tim, 
> >> 
> >> You might also consider "riding the RF gain" route, depending on how 
> >> bad the pileups are. 
> >> 
> >> Turn AGC off, turn up the RF gain, and modulate RF gain as needed to 
> >> discern signals. 
> >> 
> >> Be careful though, in this mode AF gain is mostly unbounded, i.e. 
> >> you'll hurt your ears and/or headphones if a signal is really loud. 
> >> 
> >> For me, I use that mode sometimes when signals are weak, it seems to 
> >> allow for better hearing of weak signals. 
> >> 
> >> YMMV, 73 de N6GQ 
> >> 
> >> On Sun, Mar 20, 2016 at 6:07 AM, a45wg  wrote: 
> >>> 
> >>> Fellow Hams, 
> >>> Having not Contested for over 5 years - I just had 
> >>> spent the past 24 hours participating in the Russian DX Contest 
> >>> (CW), now I realise that Contests are not everyone’s cup of tea so 
> >>> please no “Contests should be banned”. 
> >>> 
> >>> But I would be interested in how other contesters set up their rigs 
> >>> 
> >>> This is what I have been doing - 
> >>> 
> >>> 0)  Narrow Filter enable (500 Hz) 
> >>> 1)  Very narrow Bandwidth at times even 10-20 (hz?) is 
> >>> too wide. 
> >>> 2)  Vary where I am listening up and down a little 
> >>> 3)  Disable PreAmp 
> >>> 
> >>> What other steps can I do to make my life (and the other stations I 
> >>> am working easier - I forgot how many times I sent R7?? or NR ??) 
> >>> 
> >>> Attentate (Just thought of this) 
> >>> NR Settings ? 
> >>> Notch filter ? 
> >>> 
> >>> Appreciate any input - if you wan to PM me - I will put together 
> >>> the common suggestions. 
> >>> 
> >>> Many thanks, 
> >>> Tim A45WG 
> >>> __ 
> >>> Elecraft mailing list 
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> >>> Help: http://mailman.qth.net/mmfaq.htm 
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Re: [Elecraft] OT: CW Contest logging question

[Ed Muns]

NN is cut for 99, so log 99.


73,
Ed W0YK
On Feb 21, 2016 1:15 PM, Chester Alderman <alderm...@windstream.net> wrote:
>
> OK...but what if you receive 'NN'? Do you log that as 99 or do you log it as 
> 100? 
>
> What this means is there ARE exceptions to the ARRL's rule to "log what you 
> receive"! 
>
> Tom  W4BQF 
>
>
> -Original Message- 
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ed 
> Muns 
> Sent: Sunday, February 21, 2016 3:56 PM 
> To: 'Peter Pauly' 
> Cc: 'Elecraft Reflector' 
> Subject: Re: [Elecraft] OT: CW Contest logging question 
>
> In ARRL DX, convert cut numbers and enter real numbers.  The letter 
> abbreviations like K and KW can be left as is in your log.  If you get '1K', 
> you can enter that as is, too.  Log checking will accommodate all these. 
>
> Ed W0YK 
>  
>
> Peter Pauly wrote: 
>
> I have a question about the proper way to log power entries for the ARRL 
> International DX CW contest. People send "cut numerals" like: 
>
> K = 1000 
> 1TT = 100 
> 5TT = 500 
>
> I've even had someone send 1OO with the letter "oh" instead of zeroes. 
> Should I log and submit the carbrillo file with these cut numerals as they 
> sent them, or should I convert them to numbers before logging? 
>
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Re: [Elecraft] OT: CW Contest logging question

[Ed Muns]

In ARRL DX, convert cut numbers and enter real numbers.  The letter
abbreviations like K and KW can be left as is in your log.  If you get '1K',
you can enter that as is, too.  Log checking will accommodate all these.

Ed W0YK


Peter Pauly wrote:

I have a question about the proper way to log power entries for the ARRL
International DX CW contest. People send "cut numerals" like:

K = 1000
1TT = 100
5TT = 500

I've even had someone send 1OO with the letter "oh" instead of zeroes.
Should I log and submit the carbrillo file with these cut numerals as they
sent them, or should I convert them to numbers before logging?

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Re: [Elecraft] K3 Configuration to KS3

[Ed Muns]

The K3 Utility reads the serial number and will only restore to the same radio.

73,
Ed W0YK
On Feb 12, 2016 14:04, Bill W4ZV  wrote:
>
> Gary Smith-2 wrote 
> > - Will I encounter any unexpected problems if I load my K3 
> > configuration to the K3s and start operating? 
>
> Probably...because Config Save will copy your K3 calibration constants into 
> the K3S.  You would at least need to go through all calibration steps again.  
> I doubt the K3 Utility will even allow you to copy K3 settings into the K3S 
> but I honestly don't know.  Hopefully someone from Elecraft will respond. 
>
> You do bring up a good point that it would be nice to have a Config Save 
> Lite that would affect only common menu choices for the K3/K3S but not 
> calibration constants and items unique to the K3.  I doubt Elecraft has 
> thought of this but it would be nice if possible. 
>
> If I were you I'd go through the K3 CONFIG settings, write everything down 
> and then manually duplicate into the K3S.  Also don't forget the MENU 
> settings. 
>
> 73,  Bill  W4ZV 
>
>
>
> -- 
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3-Configuration-to-KS3-tp7613960p7613964.html
>  
> Sent from the Elecraft mailing list archive at Nabble.com. 
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Re: [Elecraft] K3 KIO3B - FSK - stereo

[Ed Muns]

Yes, your MMTTY channel settings are fine.  The USB Audio CODEC is stereo.  

Not sure what you mean by the 4th paragraph below about the Microphone.  If
you're talking about the Level adjustments in the Properties window for the
K3 USB Audio CODEC in the Windows Recording applet, the control is a single
slide that adjusts both channels together.  There is no Balance control or
independent level controls for each channel.  But, I don't understand what
you mean about the second receiver having no impact.  It's audio stream will
be decoded in the MMTTY window where you've seledted the right channel.

The Device Identifiers in MMTTY are just referring to the position of the
soundcard device in the list on the Soundcard tab of the MMTTY Options
windows.

Ed W0YK


Tony N2TK wrote:

Presently I use an external audio board for FSK. I run two versions of MMTTY
- one for the main receiver and one for the second receiver. 

 

In MMTTY > Misc tab > Source for the main receiver I select Left and in the
second MMTTY I select Right. 

 

Trying to setup the CODEC on the KIO3B. Is it stereo that it will allow me
to do what I am presently doing for two channels? 

When I select Microphone (4-USB Audio CODEC) for both MMTTY's, I get the
same signal on both MMTTY's. The second receiver has no impact.

 

Also with my external audio board the MMTTY setups show under MISC that the
Device Identifiers for RX are 3. For the CODEC it changes to 0. 

 

I did not get as far as transmitting yet using the Codec.

 

Any comments, please?

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Re: [Elecraft] K3: roofing filter configuration settings

[Ed Muns]

"Configuration bandwidth" is the DSP bandwidth at which the given crystal
filter engages in the K3/K3S.  This crystal filter remains engaged as the
DSP bandwidth is narrowed, to the point where another crystal filter's
"configuration bandwidth" is reached.

In choosing the configuration bandwidth, one consideration is the cascade
effect of the crystal and DSP filter bandwidths.  In general, the cascade
bandwidth will be less than either of these two filter bandwidths.  The
extent to which this is true depends on how close the two filter bandwidths
are to one another.

This reduced cascade bandwidth is the underlying reason for the KFL3A-250
crystal filter from INRAD being called "250 Hz" but actually measuring about
370 Hz at -6 dB and about 310 Hz at -3 dB.  (See
http://www.elecraft.com/K3/K3_filter_plots.htm.)  This filter was originally
designed for the Yaesu first IF and intended to be used in conjunction with
another "250 Hz" filter in the second IF.  Each filter is actually wider
than its marketing name because when the two are cascaded, the resulting
bandwidth is about 250 Hz.

The cascade effect of the K3 crystal and DSP IF filters is less than the
Yaesu and Kenwood cases where both filters were crystal filters, each with a
somewhat "round" shape.  The K3 DSP filter is more "square" in the
transition between passband and stopband.

Since the K3 DSP bandwidth is continuously variable, it becomes more
important to consider this cascade effect because it may or may not be
significant depending on how close the crystal and DSP filter bandwidths are
to one another.  It is also more important with the K3 to be aware of the
actual crystal filter bandwidths.

For RTTY operation, the minimum cascaded bandwidth should be about 400 Hz.
This is because modern software decoders, e.g., MMTTY and 2Tone, use
algorithms that make use of the sidebands of each tone in order to minimize
error rate.  Using narrower IF filters, including the DTF, in the radio
attenuates these useful sidebands.

For the same reason, the K3 (and, Icom) dual-tone filter removes sideband
information that could be used by the decoder to improve copy.  Anecdotally,
in pileup and QRM situations such as DXpeditions and contests, I've found a
cascaded IF bandwidth of 400-500 Hz to be superior to the narrower
bandwidths, including the DTF, that I used several years ago.

Accordingly, I've chosen the INRAD 500 Hz 8-pole filter for CW and RTTY,
setting my DSP bandwidth to 400-500 Hz as desired.  I think this gives
marginally better, and more versatile, filtering than the KFL3A-250.

For very heavy QRM CW situations, e.g., 160 meter contests, the 5-pole 200
Hz crystal filter is useful.

Ed W0YK

___

Dick K9OM wrote:

A question regarding roofing filter "configuration bandwidth"  settings on
the K3:
 
The factory default roofing filter "configuration bandwidth" setting  is to
set the 250hz filter at a setting of "250".  Therefore, the  250hz roofing
filter will engage at the same time as the 250hz DSP filter. 
However, since the 250hz roofing filter has an actual BW6 of 370hz,  aren't
there times when it would be more beneficial to have  the "configuration
bandwidth" of the 250hz roofing filter set to 350 or  400?  
I'm thinking this may be especially true when operating RTTY since the
average RTTY bandwidth is aprx. 370hz.  Perhaps there are times when  this
would be beneficial when operating other modes as well?
 
Likewise, the 400hz roofer has a BW6 of 450hz, so perhaps for certain modes
a "configuration bandwidth" setting of 450 rather than 400 could be
beneficial as well?
 
If anyone is wondering where I'm getting the term "configuration bandwidth" 
 from, it's a configuration heading on the K3 Utility programs filter
configuration page.

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Re: [Elecraft] KCR2 versus Bandmaster III

[Ed Muns]

I use KRC2s, SixPak and FL-1/W3NQN BP filters at home.  In Aruba, we have
the BandMaster III, SixPak and FilterMax BP filters.  Both systems work
great.  I like them equally well.  The cabling is simpler between the
BandMaster and FilterMax, which is convenient.

Ed W0YK



-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Lewis
Phelps
Sent: 10 January, 2016 08:40
To: Elecraft
Subject: [Elecraft] KCR2 versus Bandmaster III

Does anyone have experience with the Bandmaster III station control unit
offered by Array Solutions? I'm interested how it stacks up against the
Elecraft KCR2. Looking to mate one or the other to my K3.

thanks,

Lew


Lew Phelps N6LEW
Pasadena, CA DM04wd
Elecraft K3-10 / KXV144 / XV432
Yaesu FT-7800 
l...@n6lew.us
www.n6lew.us

Generalized Law of Entropy: Sooner or later, everything that has been put
together will fall apart.





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Re: [Elecraft] [WriteLog] Using K3 KIO3B USB with Writelog

[Ed Muns]

The WriteLog Ports settings are the same as before.  The Com port number
needs to be the same in WriteLog as in the K3 USB port on your PC.

There are no isolation transformers because the audio in and out of the K3
is digital via USB.  Your PC will now list an additional sound card which is
the K3.  Select that sound card for your mic input.

When you first connect the USB cable between the PC and K3, Windows will
find the USB and Codec drivers and install them.  Wait for that standard
Windows process to complete.  Then you will have an additional Port device
called USB something in Device Manager.  Under Soundcards, there will be a
new Codec which is the K3.

If you are using one PC for SO2R with two K3s, then the PC will show two new
soundcards, one for each K3.  The PC will also show two new Ports, one for
each K3.  As far as knowing which soundcard and port go with which K3, only
plug one USB cable in at first and note which Com port it installs with.
Change that Com port number if you wish, but remember what it is for that
specific K3.  Go into the Soundcard section of Device Manager and rename the
K3 soundcard to something like "K3-right".  Then, plug in the second K3 and
repeat.  If you ever get confused, just unplug one of them and see what
remains.

No splitters or isolation transformers are needed.  That is the whole point
of the KIO3B.   ;>)

Ed W0YK

-Original Message-
From: WriteLog [mailto:writelog-boun...@contesting.com] On Behalf Of Ken
Widelitz
Sent: 24 December, 2015 21:21
To: elecraft@mailman.qth.net; write...@contesting.com
Subject: [WriteLog] Using K3 KIO3B USB with Writelog

What Port Settings would I use in Writelog to grab the frequency from the
Elecraft K3 using the new KIO3B USB connection?

 

Also, how would I set up the KIO3B USB computer audio out to the K3 mic in
with a SO2R configuration? Currently, the stereo audio out from the computer
goes to a mic splitter box with isolation transformers to a mono left and
mono right output that goes to each K3's mic connector. My thought is I need
to specify separate sound cards in the Writelog Sound Board Mixer and bypass
the mic splitter box. How important would the isolation transformers be with
the KIO3B sound card for mic input? I haven't plugged the KIO3B in to the
computer yet so I'm not sure how I designate which K3 USB Sound Card is
which. I just got the K3's back from being upgraded and wanted to make sure
everything was working with my old RS-232/computer sound card configuration
first.

 

BTW, as to my new Elecraft P3 upgrades, the PVGA is amazingly cool. Haven't
gotten to the TXMON functions yet.

 

Excuse the dual posting to the Elecraft  and Writelog reflectors, but my
inquiries cover both. 

 

73, Ken, K6LA / VY2TT

 

 

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WriteLog on the web:  http://www.writelog.com/

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Re: [Elecraft] KIO3B pricing (was: Re: K3IOB)

[Ed Muns]

The KIO3BUPKT price was a surprise because the KIO3 assembly is bundled into
the K3 and K3S, so its standalone price has not been generally publicized.
Further, the KSYN3AUPG and KXV3B are $220 and $200 respectively, so one
might have expected the KIO3BUPKT to be similar.

But, in fact, the KIO3/A/B assembly is more expensive than many of us
realized.  I am confident that Elecraft priced the KIO3BUPKT in the same
fair manner as their other products.  Each of us can decide if the price is
worth the value we expect to receive from it.  And, many have already chosen
to buy the K3S rather than upgrade a K3.  It's great that we have all these
choices!

Ed W0YK

__

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Eric
Swartz - WA6HHQ, Elecraft
Sent: 19 December, 2015 12:50
To: Oliver Dröse
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KIO3B pricing (was: Re: K3IOB)

Hi Olli,

Yes, 389.95 is the correct price. 

This is not a single board. It is a three board set that costs much more
than our old KIO3B to manufacture.  The board set also now contains a new
USB Codec, USB Comm port, Internal USB hub and additional logic to handle
routing of data between the USB and RS-232 paths (all fitting into the same
space as the old boards). The upgrade kit also includes two external cables
(one custom), new hw etc.  These boards are also manufactured at a much
lower volume than those in the PC market, with the subsequent increased cost
on our end. A $200 price would be selling at a significant loss.

Our goal is always to price our products as reasonably as possible after
taking into account our production and support costs while making enough
profit to continue to exist and serve the amateur radio market. We walk that
line carefully every day. And its always a challenge! :-)

73,

Eric
elecraft.com
_..._

> On Dec 19, 2015, at 11:07 AM, Oliver Dröse  wrote:
> 
> Would have expected something in the 200 US$ price range but 400 bucks for
an "USB sound card" (as this is the only functional difference to the KIO3A)
is too heavy for my liking, too ... will probably keep going with my
microHAM USB III then ...
> 
> 73, Olli - DH8BQA


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Re: [Elecraft] KIO3B

[Ed Muns]

If you have a K3 with a broken KIO3 or KIO3A, why did you refuse my offer to
send you a KIO3A last week?  It is used but operationally fine.

This addresses your stated problem and you still have the option to replace
it with a "new" assembly when the KIO3B is available.

Ed W0YK



-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dr.
William J. Schmidt, II
Sent: 17 December, 2015 06:18
To: 'Eric Swartz - WA6HHQ, Elecraft'
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KIO3B

Hi Eric, thanks for the reply.  For me, the K3IOB is not an upgrade, per se,
but a necessary part to get my broken K3 on an island in the Caribbean
fixed.  Alas, my K3 shall remain broken for a few more months while I await
a stock of replacement parts (a few months because I only get there every
few months at best).  I guess I'll bring my Icom 756 Pro II along with me on
the plane tomorrow.  So much for my (highly touted, and maybe not so
permanent) K3.

 

 

Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ 

 

Owner - Operator

Big Signal Ranch - K9ZC

Staunton, Illinois

 

Owner - Operator

Villa Grand Piton - J68HZ

Soufriere, St. Lucia W.I.

Rent it:   www.VillaGrandPiton.com

 

email:    b...@wjschmidt.com

 

From: Eric Swartz - WA6HHQ, Elecraft [mailto:e...@elecraft.com] 
Sent: Wednesday, December 16, 2015 7:51 PM
To: elecraft@mailman.qth.net
Cc: Dr. William J. Schmidt, II 
Subject: Re: [Elecraft] KIO3B

 

Hi Bill (and everyone else interested in the KIO3B upgrade),

Unfortunately pulling the KIO3B boards out of a packaged K3S kit or already
built K3S is not practical, and would really cause production problems here.
We build the assembled K3S base units ahead of time before option
configuration, and for kits, the KIO3B boards are inside of sealed boxes of
kitted product packaged ahead of time.

We are also fully maxed out getting December orders out the door for last
minute shoppers, presents etc. 

Fortunately, we will begin taking orders for the KIO3B board set the week
after next - after the holiday rush. This will probably on either the 29th
or 30th, and we expect to begin shipments 5-10 days after that. We should
have the extra KIO3B boards in-house and tested by then. 

Please do not try to order or call before we announce that the order form is
up as we do not have the web order form or internal order systems ready to
handle KIO3B upgrade orders. (We prefer on-line orders to avoid phone
overload here..) We are also maxed handling the holiday order rush. 

We will post here on the Elecraft List and of course on our web page as soon
as we are ready to take orders and the order form is up and running. 

We're running as fast as we can - Its a busy month at Elecraft this time of
year. 

73,
Eric

elecraft.com

On 12/16/2015 8:03 AM, Dr. William J. Schmidt, II wrote:

I feel a bit responsible for this thread and it needs to end. The issue for
me is that my radio is at my place on J6 where my electronics lab is not. I
have three options:  1. Bring the radio back and fix it, 2. Try to fix it
down there (with very minimal resources), or 3. Bring a new part down with
me to swap out and trouble shoot the broken part back here in the states.
Ordering a new KIO3 would be less than smart.
 
I decided last night i would simply order a new K3s, tell Elecraft to hot
shot the KIO3B out of it and keep the radio/ send the radio with a
replacement KIO3B when they become available (months from now, i don't
care).  Theres more than one way to skin this cat!
 
 
Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ
 
Owner - Operator
Big Signal Ranch - K9ZC
Staunton, Illinois
 

 

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Re: [Elecraft] KIO3B

[Ed Muns]

The KIO3B upgrade for the K3 is not yet released.  Last word from Eric was
"late 2015" and the current assemblies are needed for K3S shipments.  I'm
sure Elecraft has every desire to get it out for K3 owners ASAP!

Ed W0YK

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of ab2tc
Sent: 15 December, 2015 11:56
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KIO3B



Hi,

I had the impression that this was available now for K3 owners  but can't
find it on the order page. Am I missing something?

AB2TC - Knut


Oliver Dröse wrote
> Good explaination, Wayne. But it doesn't answer the question of "When?". 
> ;-) Any news on that?
> 
> Tnx, Olli
> 
> Contest, DX & radio projects: http://www.dh8bqa.de
> 
> 
> Am 09.09.2015 um 06:10 schrieb Wayne Burdick:
>> Hi Gary,
>>
>> The advantage of the KIO3B is that it can replace three cables (RS232,
>> LINE IN, LINE OUT) with a single USB cable. Some want it just to reduce
>> clutter at their home station, while others take the rig camping, RV-ing,
>> hotel-inc, etc., and want it for the reduction in stuff they need to
>> bring and hook up each time.
>>
>> The USB port works with Windows, Linux and Apple platforms. There's also
>> still an RS232 port for support of existing installations (adapter cable
>> from RJ45 to DE9 provided).
>>
>> 73,
>> Wayne
>> N6KR
>>
> 





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Re: [Elecraft] KIO3B

[Ed Muns]

Perhaps.  And, if so, that is good news because it means K3S sales volume is
strong and therefore Elecraft.   ;>)

Ed W0YK

-Original Message-
From: Dr. William J. Schmidt, II [mailto:b...@wjschmidt.com] 
Sent: 15 December, 2015 16:21
To: e...@w0yk.com; 'ab2tc'
Cc: elecraft@mailman.qth.net
Subject: RE: [Elecraft] KIO3B

Running out of days in 2015...


Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ 

Owner - Operator
Big Signal Ranch – K9ZC
Staunton, Illinois

Owner – Operator
Villa Grand Piton – J68HZ
Soufriere, St. Lucia W.I.
Rent it: www.VillaGrandPiton.com

email:  b...@wjschmidt.com


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ed
Muns
Sent: Tuesday, December 15, 2015 5:19 PM
To: 'ab2tc' <ab...@arrl.net>
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KIO3B

The KIO3B upgrade for the K3 is not yet released.  Last word from Eric was
"late 2015" and the current assemblies are needed for K3S shipments.  I'm
sure Elecraft has every desire to get it out for K3 owners ASAP!

Ed W0YK

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of ab2tc
Sent: 15 December, 2015 11:56
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KIO3B



Hi,

I had the impression that this was available now for K3 owners  but can't
find it on the order page. Am I missing something?

AB2TC - Knut


Oliver Dröse wrote
> Good explaination, Wayne. But it doesn't answer the question of "When?". 
> ;-) Any news on that?
> 
> Tnx, Olli
> 
> Contest, DX & radio projects: http://www.dh8bqa.de
> 
> 
> Am 09.09.2015 um 06:10 schrieb Wayne Burdick:
>> Hi Gary,
>>
>> The advantage of the KIO3B is that it can replace three cables (RS232,
>> LINE IN, LINE OUT) with a single USB cable. Some want it just to reduce
>> clutter at their home station, while others take the rig camping, RV-ing,
>> hotel-inc, etc., and want it for the reduction in stuff they need to
>> bring and hook up each time.
>>
>> The USB port works with Windows, Linux and Apple platforms. There's also
>> still an RS232 port for support of existing installations (adapter cable
>> from RJ45 to DE9 provided).
>>
>> 73,
>> Wayne
>> N6KR
>>
> 





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Re: [Elecraft] K3s USB audio

[Ed Muns]

That sounds like a N1MM problem.  The K3 Codec shows up fine as a Windows
sound device.  And, it works well with Win-Test and WriteLog.  I haven't
tried it with N1MM Logger+.

Ed W0YK

-Original Message-
From: Barry N1EU [mailto:n1eu.ba...@gmail.com] 
Sent: 14 December, 2015 11:27
To: e...@w0yk.com
Cc: wa...@elecraft.com; elecraft
Subject: Re: [Elecraft] K3s USB audio

It doesn't work with N1MM Logger+, probably the top application for
using SSB audio through the USB codec.  I believe the N1MM team is
investigating.

73, Barry N1EU

On Mon, Dec 14, 2015 at 2:20 PM, Ed Muns <e...@w0yk.com> wrote:
> The Codec deals with digitized audio of LINE IN and LINE OUT, independent
of
> mode.  It works fine for me in RTTY and I don't see why it wouldn't work
for
> SSB and other modes.
>
> A couple times, I did see spikes at 60 Hz intervals in the RTTY audio
> spectrum.  Since most of the time that was not the case, I assumed it was
> intermittently coming from somewhere else.
>
> Ed W0YK
>
> -Original Message-
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
Barry
> N1EU
> Sent: 14 December, 2015 02:28
> To: elecraft
> Cc: wa...@elecraft.com
> Subject: [Elecraft] K3s USB audio
>
> The K3s manual p18 makes no indication that USB digitzed audio is not
> supported in SSB.  Can anyone confirm that USB audio is actually NOT
> supported in SSB?
>
> On another note, I'm seeing a huge amount of 60hz hum being passed on
> the USB codec playback device, rendering it unusable for rig
> recording.  Has anybody else tried this?
>
> Thanks & 73,
> Barry N1EU
>
> On Mon, Dec 14, 2015 at 12:44 AM, Chris <chris@blueyonder.co.uk>
wrote:
>> Have you set your mode to digi my k3 only tx audio when I use it in digi
> mode not lsb or usb or cw
>>
>> Sent from my iPad
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Re: [Elecraft] K3s USB audio

[Ed Muns]

The Codec deals with digitized audio of LINE IN and LINE OUT, independent of
mode.  It works fine for me in RTTY and I don't see why it wouldn't work for
SSB and other modes.

A couple times, I did see spikes at 60 Hz intervals in the RTTY audio
spectrum.  Since most of the time that was not the case, I assumed it was
intermittently coming from somewhere else.  

Ed W0YK

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Barry
N1EU
Sent: 14 December, 2015 02:28
To: elecraft
Cc: wa...@elecraft.com
Subject: [Elecraft] K3s USB audio

The K3s manual p18 makes no indication that USB digitzed audio is not
supported in SSB.  Can anyone confirm that USB audio is actually NOT
supported in SSB?

On another note, I'm seeing a huge amount of 60hz hum being passed on
the USB codec playback device, rendering it unusable for rig
recording.  Has anybody else tried this?

Thanks & 73,
Barry N1EU

On Mon, Dec 14, 2015 at 12:44 AM, Chris  wrote:
> Have you set your mode to digi my k3 only tx audio when I use it in digi
mode not lsb or usb or cw
>
> Sent from my iPad
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Re: [Elecraft] Corrected QST review of KSYN3A is on line.

[Ed Muns]

October, not November.

73,
Ed W0YK
On Oct 21, 2015 4:58 PM, Guy Olinger K2AV  wrote:
>
> Digital Edition of November 2015 QST now has the new KSYN3A comparisons up. 
>
> If you are using the QST iPhone app, you will need to reload your phone 
> with November 2015. This is done by first doing a delete on November to 
> purge it off the phone, then redoing the download. Presume that that 
> Android app would need the same. 
>
> 73, Guy K2AV 
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Re: [Elecraft] QST Review of KSYN3A synth has erroneous TX phase noise plot

[Ed Muns]

The plots have been updated in the online QST article:

http://www.nxtbook.com/nxtbooks/arrl/qst_201511/index.php#/60

Ed W0YK

_

Rick K2XT wrote:

I spotted the "anomoly" immediately in the composit noise chart.Really
weird, how there was a crossover.  I even re-read the text to see if they
pointed it out.  Nope.There is even an article in the issue by the publisher
about the quality process they go through to assure accuracy in product
reviews.  Wayne, Elecraft deserves not just a reprint of the corrected
chart, they should reprint the entire product review.

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[Elecraft] KSYN3A Problem

[Ed Muns]

Earlier in the year I installed two KSYN3A boards in a K3 using FW 5.01.
The installation went fine and the radio has been used extensively all
year.  Yesterday, I updated the FW from 5.01 to 5.35 along with the later
DSP and FP versions.  I then restored a K3 Configuration I had saved prior
to the KSYN3A installation.  Now the radio won't receive or transmit and I
suspect this is due to it thinking the old KSYN3 boards are installed.  CONFIG
shows VCO MD and DDS FRQ values rather than dashes.  Also, DISP shows PLL1
and PLL2 rather than SYN1 and SYN2.

How do I fix this?

Ed W0YK
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Re: [Elecraft] K3 fixed TX audio from the monitor

[Ed Muns]

Use Line Out.

73,
Ed W0YK
On Aug 9, 2015 4:55 AM, Peter p...@pi4cc.nl wrote:

 Hi 

 A long standing wish is to get fixed level audio out from the audio 
 monitor for the K3 
 Some operators don't like there voice hearing and turn of the  audio 
 monitor low or off. 
 Result is a blank or weak  TX audio in the recording. 
 See http://mailman.qth.net/pipermail/elecraft/2009-January/102536.html 
 The RX part is done a long time a go but till now no solution for the  
 TX part. 

 With the new rule of audio recording for the upcomming CQWW it pops up 
 again and I like to ask if its possible to add a fixed audio level 
 output for TX 

 From http://www.cqww.com/rules.htm 
 *C. Audio Recordings:* Any single operator entrant (see V.A.1) competing 
 for a top three finish at the (a) World, (b) Continent, or (c) USA 
 levels, must record the transmitted and received audio as heard by the 
 operator for the duration of the contest operation. 

 Are we not al winners in some kind of catagory? :-) 

 Peter 
 PC2A 


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Re: [Elecraft] KPA500 problem

[Ed Muns]

Send it back for the TR switch update.  This is a known problem with early
KPA500s and there is an easy factory fix.

Ed W0YK

_

Ray W2RS wrote:

My KPA500 amplifi_es_ (file://\\es)  normally but seems to  have a 
switching problem on receive.  The receiver (I've tried several)  works fine
when 
the amp is turned off or when it is switched to STBY, but  when I switch the

KPA500 to OPER the receiver goes nearly dead as if there is no  antenna 
connected to it.  I tried resetting the KPA500 to factory menu  settings but
no 
change.  There is full output on transmit.
 
The KPA500 is still under warranty.  Is this a settings problem or  should 
I send it back?

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Re: [Elecraft] K3 Line-Out help needed

[Ed Muns]

What level is LIN OUT set to in the CONFIG menu?
73,
Ed W0YK
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Re: [Elecraft] K3-RTTY-No Diddles

[Ed Muns]

EXTFSK is only required if a USB-Serial interface is used which doesn't have
an adequate UART implementation to support 45 baud and the 5-bit code.  The
Digi International Edgeport/4 and /8 interfaces work fine without EXTFSK.
The microHam interfaces also work fine without the EXTFSK module.

Ed W0YK



Ed K6ED wrote:

You are stating that you are trying to use FSK.  MMTTY requires EXTFSK 
to be added to the MMTTY folder for it to be functional for FSK.  Also 
EXTFSK needs to be configured.  A small window will appear showing the 
lead assignments.  These must agree with the com port assignments 
associated with the USB Router.  EXTFSK is available on the MMTTY Web 
Site, just scroll down the MMTTY page and you will find where to 
download it.  The page also has an excellent explanation on how to use 
EXTFSK.  In addition make sure you have the K3's data mode set to FSK 
D.  Should work, works for me.

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Re: [Elecraft] K3 filter plots

[Ed Muns]

Yes, the link below works, but the link to the crystal filter plots that is
at that top of that webpage is broken.

Ed W0YK

-

Phil W7OX wrote:

This link can be useful and still works: 
http://www.elecraft.com/K3/Roofing_Filters.htm

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Re: [Elecraft] WRTC 2014 - Congratulations, Elecraft!...(and firmware update)

[Ed Muns]

There were 1-2 Yaesu radios that did not have the after-market key click mod
and were causing tremendous unnecessary QRM to other WRTC stations.  Those
radios were detected in the Friday setup period and swapped out to eliminate
the QRM.

The 65 WRTC sites (only 59 actually used) were spread out over a distance of
80 miles, from the southern NH border to the entrance to Cape Cod in
southern MA.  There were some clusters of sites where 15 or so WRTC stations
were located just a couple thousand yards from each other.  The 100 watt
power limit helped a bit, too.

Ed W0YK



Fred K6DGW wrote:

The one factor that using different radios does not control for is 
spurious emissions such as key clicks and phase noise.  There *is* a 
wide difference in those between the radios.  Don't know if that would 
turn out to be an issue in the WRTC environment, although I sure know it 
was when my neighbor Jack, KF6T, was running a Yaesu rig with serious 
phase noise problems.  Of course, if clicks and phase noise was an issue 
at WRTC, it would impact everyone else negatively.

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Re: [Elecraft] WRTC 2014 - Congratulations, Elecraft!...(and firmware update)

[Ed Muns]

I'm partial to the comments below.  While I prefer Win-Test for CW (and SSB)
contesting, I strongly prefer WriteLog for RTTY contesting.  N1MM Logger is
a close second for RTTY.  At the same time, I have to acknowledge that the
current SO HP World Record holder in the CQ WW RTTY Contest used Win-Test.
;)

I believe that the best logger for you is the logger that works best for
you, not the logger that works best for someone else, or is the most popular
logger among contesters.

Ed W0YK



Joe W4TV wrote:

On 2014-07-24 12:56 PM, Guy Olinger K2AV wrote:
 And also note that WinTest was number one logging software.

Only due to two accidents - the large number of European teams and that
WRTC does not include any RTTY component.  When one looks at teams from
the Americas, N1MM Logger was the more popular logger.  When one looks
at the top performers in digital mode contests the results show a much
higher percentage of N1MM logger and WriteLog users.

Win-Test has its pace if one is stuck on a user interface from the last
century and is only concerned for CW (not that either is necessarily
bad).

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Re: [Elecraft] K3 M/M Contest stations

[Ed Muns]

K3 configurations are not transferable to other K3s.  Some of the
configuration parameters are specific to the K3, like the gain calibration
and VCO parameters.

Accordingly, the K3 Utility only allows configurations to be restored to the
same serial number K3 that they were saved from.  This is a good thing.

It would be nice if the radio non-specific configuration parameters were
transferrable but that feature currently is not available.

Ed W0YK

Phil, W7OX wrote:
I'm not sure. My recollection is that someone 
posted a few weeks ago that he has two K3s and 
could not load the config file save from one into 
his other one. I don't plan to be in a position to 
try that myself

On 4/14/14, 8:48 PM, Chester Alderman wrote:
 I think you can use the K3 Utility to save the K3 configuration, rename it
 with your own call sign then save it, copy it to a flash card, and restore
 that configuration on a different K3 from its K3 Utility. I don't know if
 anyone has tried this, but saving and restoring the K3 configuration is
 contained in the K3 Utility.

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Re: [Elecraft] K3 BATT LOW

[Ed Muns]

This message means that the nominal 12 VDC supply voltage has dropped below
the minimum value set in CONFIG.  It is often an intermittent connection in
the 12 VDC line.

The error message is misleading and confusing to most of us.  However,
QRPers will get it because they are used to running their rigs off
batteries.  Chief K3 Engineer N6KR is a QRPer.   ;)

In my February Aruba trip, one of our K3s flashed this message.  I searched
the K3 Operators Manual PDF and found only one reference to batt which was
the CR2032 real time clock battery.  When the K3 finally shut off entirely
after that message about 24 hours into ARRL DX CW, I went off-line and
replaced the CR2032.  Of course, that wasn't the problem.  Finally thinking
to Google the problem led to prior threads on this reflector about the real
problem.  Futzing with the connections to the 12 VDC supply for that K3
fixed the problem.

I agree, that it would be great for both the K3 Operators Manual and Fred's
book to cover this error message.

Ed W0YK

**

Ray ND8L wrote:

Getting this message in the VFO-B area.  Can't find reference to
the battery in the K3 Owner's Manual or KE7X's book.

Can somebody shed some light on this for me?

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Re: [Elecraft] KXPA100 Shipping Status Update

[Ed Muns]

Another perspective is that this part of Elecraft's business is excellent 
(instead of sucks) because we get advance visibility of products.  At the 
same time we should realize the risk of advance notice is that factors out of 
Elecraft's control, e.g. parts availability, may slip the actual ship date.

Ed W0YK/4



Sent from my Verizon Wireless 4G LTE DROID

Robert Vargas - KP4Y k...@yahoo.com wrote:

That's why I keep insisting that my KX3 will have almost three years by the 
time I'm finally able to use it on 2m with the so much anticipated 2m module.

I love ElecraftI really do, but that part of their bussiness really sucks!

73,
Robert-KP4Y

Sent from my mobile phone.

- Reply message -
From: n...@comcast.net
To: elecraft@mailman.qth.net
Subject: [Elecraft] KXPA100 Shipping Status Update
Date: Thu, Jan 9, 2014 12:00 AM

I ordered a KPXA100 kit on June 17th with expectations, at that time, of an 
October delivery. I was beginning to think maybe it was October 2014. I love 
the Elecraft products and know that they want to get it right the first time. 
That seems to happen most of the time, or at least it's close to being right. 
However, the standard operating procedure seems to be to announce a product, 
generate a huge amount of interest, start taking orders and then expecting 
everyone to wait and wait some more. At any rate, many of you waiting for the 
kit will move up one notch as I cancelled my order today after finally 
receiving an invoice. After waiting and waiting, I found other ham radio things 
to spend the money on. I will not be purchasing a KXPA100 ever.

To keep this on topic a bit, the Shipping Status and its updates ?? is a 
joke. For as well as it isn't maintained, no one should waste their time on it.

73,
Dave N8AG
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Re: [Elecraft] Fwd: K9W Wake Atoll DXpedition Has Been Approved - Hope To Be QRV This Weekend

[Ed Muns]

Their website shows the CW and SSB transmit frequency of 50.107

Ed W0YK



Lance W7QJ wrote:

Vic, they told me they are not planning to do anything on 6m.   However, if
you are 
interested in contacting KH9 on 6m, WA2YUN has a great station set up there.
His 
email is good on QRZ.com.   He has been there for a couple of years
already  GL 
and VY 73, Lance


On 10/31/2013 4:55 PM, Vic K2VCO wrote:
 What is super, ultra, incredibly cool is this: since they are using
Elecraft gear 
 and I am in California, this means that there is a chance...that I can
work them on 
 SIX METERS!

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Re: [Elecraft] P3 power supply

[Ed Muns]

I use a RCA Phono Y-adapter cable on the K3 12VDC output.  You may need the
K3 12VDC high current mod, though.

Ed W0YK

 

 -Original Message-
 From: elecraft-boun...@mailman.qth.net 
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of John
 Sent: Sunday, August 18, 2013 2:36 PM
 To: Elecraft@mailman.qth.net
 Subject: [Elecraft] P3 power supply
 
 Thanks for the help on this.
 I certainly can power the P3 from the same power supply as 
 the K3 but thought there would have been a provision to power 
 the P3 as well as the PR6 from the K3.
 73.
 John.
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Re: [Elecraft] PR6 ctrl line

[Ed Muns]

Sometimes popular usage trumps correctness.  ;)

For those who care to understand this point, see
http://en.wikipedia.org/wiki/D-subminiature.

Ed W0YK

 

Jim KL7CC wrote
 Thank you, Fred.  And as you well know, there is no such 
 thing as a DB9 connector, it is a DE9.  But, as you say, 
 that looks like a fight against a rising tide.
 
 I have to fight this battle again and again when preparing 
 questions for license exams, and we constantly get complaints 
 from the field, and frankly from people who should know 
 better, that we have made an error in the pools.  Sigh!
 
 Maybe someday enough people will get the word.
 
   Tinfoil anti-flame hat mode SWITCHED ON!
 
 - Jim, KL7CC

 On 7/11/2013 2:47 PM, Cady, Fred wrote:
  One more thing, make sure you get the DB15HD (should be DE15HD, but 
  that is a losing battle)

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Re: [Elecraft] Ideal RTTY filter.

[Ed Muns]

Brian K3KO wrote:

This comes from June 2013 QST page 59.
First of all, Chen's article is about transmit filtering which is not
directly translatable to optimal receive filtering.  Second, the cascade
effect of the K3 crystal filter and DSP filter must be considered in
determining the net receive bandwidth.  So very different net receiver
bandwidths result depending on what DSP bandwidth is used with the engaged
crystal filter bandwidth, e.g., KFLA250 which is really a 370 Hz filter.
Third, the ideal receive bandwidth for optimal decoding is not the same as
the transmit bandwidth for minimum QRM.  Depending on the decoder, a
receiver bandwidth of around 400 Hz is optimum ... unless there is such a
heavy QRM situation that a better overall system trade-off is obtained with
narrower, e.g., 250 Hz, net IF bandwidth.  A transmit filter of 280 Hz is an
optimum trade-off between minimizing QRM to neighboring QSOs and maintaining
signal integrity for the intended receiver.  Finally, this transmit filter
can be implemented in either the radio or the encoder.  MMTTY, for example,
provides a number of transmit filter bandwidths and the default 48-tap TX
bandwidth for AFSK meets Chen's proposal.


Ed W0YK


According to W7AY:

The ideal RTTY filter is 280 Hz wide.  Narrowing it further by 60 Hz 
doubles the error rate.

The article references:
http://www.w7ay.net/site/Technical/RTTY%20Transmit%20Filters/index.html

Which doesn't come out and say the above!  It's talking about transmit 
filters.  W7AY doesn't like uneven power in transmit tones either.

Anyhow this may confirm what has been said on this reflector. The 350 Hz 
(AKA 250 Hz) filter is probably the narrowest practical choice for RTTY.

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Re: [Elecraft] FSK-D wiring

[Ed Muns]

This is the approach I have used since K3 Field Test.  I just keep adding
Y-adapters as needed.  Another variation I've used is to build specific
Y-cables.  For example, I have some homebrew cables that have two cables
coming out of the DB15 plugged into the K3 ACC jack.  One goes to a DB9 for
a KRC2 and the other goes to a DB9 for a PC Com port for FSK/PTT.

Another approach some people like is to make a break-out box with RCA Phono
jacks for each of the signals on the K3 ACC jack.  The box is connected via
a single DB15 cable.

I prefer the multiple Y-adapter scheme because it is modular and individual
functional cables can be swapped in and out both for easy configuration of
any system as well as easy troubleshooting.  It is about as neat a cable
mess as can be had without making a specific special cable for just one
configuration.

Ed W0YK


Jim AB3CV wrote:
 The recent FSK-D firmware update has me considering wiring up 
 for that approach vs my current AFSK approach. Since I don't 
 do RTTY that often I'm looking at FSK-D as a potential 
 screw-up preventer.
 
 Since I already have a Y-cable to send band info to my RCS-12 
 and the rest of the K-line on the other half of the Y, I'm 
 considering just getting a second Y cable and dedicate it to 
 the FSK/PTT signals coming from a dedicated USB serial cable.
 
 This is turning into a real jumble of cables but I don't see 
 any cleaner way of dealing with it. I'm planning to put the 
 transistor/level shifters in a gender changer shell in 
 between the USB RS232 connector and the Y cable.
 
 Anyone have anything cleaner? The electrical part is easy for 
 me. I'm trying to minimize mess/clutter.

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Re: [Elecraft] A Different View--K3 Reduced-bandwidth RTTY Analysis

[Ed Muns]

As far as I know, this enhanced DSP filtering is only on the K3 FSK
transmitted signal.  There is no impact on other modes, digital or
otherwise, only FSK-D.

Ed W0YK

 

Milt N5IA wrote:
 Since I am NOT a RTTY operator I am asking if this DSP 
 software revision is applicable to other modes.
 
 I would presume it is, but obviously not with the same type 
 of cleanup required with the RTTY artefacts.
 
 Please expand the conversation to include CW and SSB.

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Re: [Elecraft] K3 RTTY bandwidth already too narrow?

[Ed Muns]

Comments below, in line...

K9OM wrote:
 I understand the desirable effects of  reducing bandwidth... 
 but sometimes I wonder if the K3's transmit bandwidth  on 
 RTTY is already too narrow.

The K3's bandwidth (prior to the DSP-281 firmware, about to be released to
Beta) is on a par with all other radios' internally generated FSK.  And,
this bandwidth is significantly wider than it needs to be.  The wave-shaped
or filtered FSK signal in DSP-281 is an optimum balance between bandwidth
and intelligibility.  In other words, it is possible to be too narrow.
Thus, the new K3 FSK bandwidth occupies only enough bandwidth as needed for
reliable communication.  Hopefully, other manufacturers will follow suit.

 Case in point: I enjoy operating a lot of  RTTY contests, but 
 even when I'm running 1,500 watts... I continually have  
 stations that move in real close to me and cause me a  
 tremendous amount of received interference.

I suspect this is not due to the (current) K3 FSK signal being inherently
narrower than the other station's radio, but more likely due to improperly
adjusted AFSK or an improperly-driven linear amplifier.  If the other
station properly adjusted his transmitting system I think you'd find about
the same bandwidth in your signals.  And, perhaps the other station chooses
to tolerate your QRM more than you choose to tolerate his!

 (I often have to 
 QSY  which is frustrating when I've got a nice run taking 
 place)  And that's when I'm running my receive filters tight, 
 such as: 250hz roofing filter with DSP filter set at 350hz.  
 (though I prefer to use my 400hz roofing filter with a 400hz 
 DSP setting as it copies signals better)

Two points here:

1.  The K3 KFL250A is actually 370 Hz wide at the -6 dB points.  The KFL400A
is 435 Hz.  There is no reason to have both filters in the same receiver.

2.  The IF bandwidth is a function of the cascaded bandwidths of the crystal
and DSP filters.  For example, the resulting bandwidth of the KFLA250
(actually 370 Hz) and a DSP of 350 Hz, will be something less than 300 Hz.
The KFLA400 (really 435 Hz) and DSP of 400 will be nearly 300 Hz.

 So it seems to me 
 that: 1) either their receiver selectivity  is better then 
 that of my K3... which is unlikely,

They may also be using a K3.  There are more than 7000 out there!

 or 2) my K3 is already  
 transmitting a much cleaner signal then theirs.

Not yet, unless the other station is mis-adjusted or defective, at least for
the vast majority of RTTY radios in use.

 If my K3 
 transmit signal  is already much cleaner then theirs, then 
 I'm going to receive even greater QRM  if I narrow my K3 
 transmit bandwidth further.  Which is why  I sometimes wonder 
 if my K3 transmit b
 andwidth isn't already too narrow.

Yes, it is true that if you transmit a substantially narrower signal than
your neighbors on the band, that you are subject to more QRM from them than
they are from you.  This puts pressure on other manufacturers to follow suit
and narrow their transmitted signals down to the optimum needed for reliable
communication.  This is better than allowing the K3 to be adjusted wider so
as to defend your  run frequency.  ;)

 Again, I appreciate the 
 effort to 
 reduce bandwidth as it's a good  thing, but more effort needs 
 to be made for this to happen on a  global scale. 

Absolutely.  A parallel history exists with CW bandwidth (key clicks) across
various manufacturers' radios.  Elecraft rightly chose not to allow user
adjustment of keying rise/fall times such that key clicks can be created.
They are about to do the same for FSK bandwidth by narrowing the K3 FSK
bandwidth to only what is needed.

Viewing K0SM's excellent work, it is easy to see that higher power FSK
signals are disproportionally worse than low power.  This is because the
skirts of the unfiltered FSK transmissions are not linear, but flare out
considerably.  Properly filtered FSK bandwidths are similar to good, and
properly adjusted, AFSK bandwidths.

Ed W0YK

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[Elecraft] K3 reduced-bandwidth RTTY analysis

[Ed Muns]

From the RTTY reflector, the short article by K0SM in the link below may be
of interest to K3 users.With this enhanced FSK filtering, the K3 has a
significantly narrower FSK bandwidth than any other FSK radio that I'm aware
of.  Hopefully, other manufacturers will follow suit.

The Beta DSP 281 firmware will be released to production soon.  Meanwhile,
if anyone is interested in trying it, let me know and I'll email it to you.

Ed W0YK

 

 -Original Message-
 From: RTTY [mailto:rtty-boun...@contesting.com] On Behalf Of 
 aflow...@frontiernet.net
 Sent: Thursday, March 21, 2013 6:16 PM
 To: RTTY Mailing List
 Subject: [RTTY] K3 reduced-bandwidth RTTY analysis
 
 Hello again,
  
 I have finally gotten around to finishing up a short analysis of the 
 reduced-bandwidth FSK keying in the K3.  As many of you are aware, 
 Elecraft made some beta firmware available several weeks ago that 
 attempts to reduce the clicks that result for unshaped keying.  They 
 analysis involves a before and after pictures comparing the FSK 
 spectra from the general release firmware (representative of most 
 radios, to the best of my limited knowledge) and the bandwidth-reduced 
 firmware.
 I've also included some analysis using a 300 Hz roofing filter to 
 measure the noise floor at different dial offsets from the transmitter 
 to give and idea of what it feels like when it is QRM.  There are a 
 few people who operated WPX and and other contests with this firmware, 
 and I am sure they could tell of their experiences on the transmitter 
 side.
  
 http://www.frontiernet.net/~aflowers/k3beta/
  
 While on the subject of clicks, spurs, and other nasty things, I also 
 would encourage people to have a look at N2QT's question on p. 55 in 
 the April QST and WB1GCM's (at ARRL Lab) response, which also address 
 this and some other issues around RTTY keying.  He distinguishes 
 clicks that result from the waveform from the other bad things that 
 can happen with broken audio signal chains.  This is an important 
 distinction to keep in mind.
  
 Enjoy!
  
 Andy K0SM/2
 ___
 RTTY mailing list
 r...@contesting.com
 http://lists.contesting.com/mailman/listinfo/rtty


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Re: [Elecraft] How to avoid Elecraft list email overload: Nabble andother web archives

[Ed Muns]

In addition, I use my local mail client to sort my Inbox into topical
folders.  There is a folder for Elecraft email list postings and within that
there are sub-folders that sort key phrases in the Subject line, e.g., KX3,
KPA500, etc.  This enables me to quickly process a large influx of email by
focusing on groups of messages by topic.  I can see the entire thread in one
place without the mental blizzard of going through an unsorted Inbox on
diverse topics.

Ed W0YK

 

Eric WA6HHQ wrote:
 Instead of receiving an email for every posting, ship
 
 There is a 'no mail' option on your elecraft list snip
 
 This link also appears at the bottom of every elecraft email 
 list posting.
 
 Setting your list email preference to 'no mail' snip

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Re: [Elecraft] Rigblaster Plus with Elecraft K3

[Ed Muns]

The RIGblaster Plus II manual uses the term FSK for both AFSK and FSK
transmission.  Here are the relevant excerpts:

-
8. CW or FSK SETUP: The RIGblaster Plus has two optoisolator keying
circuits, one for PTT control and the other for CW or FSK keying. Both CW
and FSK may be done by injecting audio tones through any model RIGblaster
into the mic. jack, but with the Plus model you also have the option of
direct keyed CW and/or FSK. Direct keying may allow you to use special CW or
FSK filters that only work in those modes.

FSK: If you would like to use the RIGblaster’s keying output for RTTY FSK
keying
instead of CW keying you must make or buy a cable to connect the
RIGblaster’s
key out to the FSK keying terminals on the back of your radio.

-


For what is commonly called AFSK, the manual describes FSK by injecting
audio tones into the radio mic jack.  You can use the K3 Mic jack on the
front or rear of the radio, but a better alternative is to use the LINE IN
jack on the back of the K3 as it has transformer isolation and its own
independent level control in the CONGIF menu.  In the K3 CONFIG parameter
DATA, you select AFSK A.

For what is commonly called FSK, the manual describes RTTY FSK keying by
connecting the RIGblaster keying output to the radio FSK keying terminals on
the back of your radio.  This means a cable that connects to the K3 DB15
ACC jack on the rear panel.  PTT is also available on this jack and should
be included in the cable.  In the K3 CONFIG parameter DATA, you select FSK
D.

You need to be very clear about whether you want to transmit using the AFSK
or FSK method before you setup the hardware and software.

The PC connection to the RIGblaster Plus II can either be Serial RS232 or
USB, per the manual.


Ed W0YK

 

 -Original Message-
 From: elecraft-boun...@mailman.qth.net 
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of 
 Alfredo Vélez WP3C
 Sent: Thursday, December 27, 2012 3:33 PM
 To: elecraft@mailman.qth.net
 Subject: [Elecraft] Rigblaster Plus with Elecraft K3
 
 Did someone have the Rigblaster Plus with an elecraft K3? I 
 want to operate FSK in Data Mode and I want to know if 
 someone has the setting.  I have the
 3.5 mm stereo from radio line out to the computers mic (pink)
 
 Rigblaster have DB9M to USB of teh computer
 
 Rigblaster have cable 3.5mm stereo in Audio In to Line Out of 
 the computer
 (Green)
 
 Rigblaster have microphone jumper as says here to  elecraft 
 http://www.westmountainradio.com/pdf/RBPlus_manual.pdf
 http://www.westmountainradio.com/pdf/RBPlus_manual.pdf
 
 Rigblaster have keying jumper have to RTS on PTT  DTR in KEY
 
  
 
 Any Help will be appreciate . 
 
  
 
 Alfredo WP3C
 
  
 
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Re: [Elecraft] OT CQWW contest results - location

[Ed Muns]

http://cqww.com/publiclogs/

Ed W0YK

 

Robert KE2WY asked:
 About two weeks ago, before the contest, I came across a site 
 that had a database of actual Cabrillo logs from previous 
 CQWW contests - and perhaps others. One could download 
 someone's file and look it over, analyze it, etc. The site is 
 not like many others that just report scores and/or a summary 
 breakdown. This site had the actual files. Now, I can't find 
 it for trying. Any one know where this one is? Thanks much.

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Re: [Elecraft] K-Line system integration questions

[Ed Muns]

Dick K6KR has covered the issues well.  To expand Dick's advice on the
RS-232 switch, here is some more detail.

microHAM products that provide K3 Serial CAT control via their USB
connection to your PC cannot be used with the K3 Utility for firmware
upgrades.  You will need to use a direct Serial connection to your PC with
the K3 Utility.  That means disconnecting the microHAM Serial connection
from the K3 and then connecting a Serial cable to your PC.  (The latter can
be a Serial COM port on your PC or via a USB-Serial adapter such as Dick
describes below).  Therefore a simple manual switch is handy so you can
switch between CAT control with the microHAM box and K3 Utility usage via
the direct Serial connection.  Connect the common DB9 port of the switch to
the K3 Serial connector and then each of the switched DB9s to the microHAM
K3 Serial DB9 and the direct Serial DB9 cable respectively.  This assumes
that the 2x1 RS232 manual switch is what we think it is ... a SPDT DB9
switch.

Ed W0YK

 

Dick K6KR wrote:
 Your RS-232 switch is just what the doctor ordered for K3 and 
 P3 firmware updates.
 
 The KPA500 serial port is not daisy chained with the K3 and 
 P3.  The KPA500 uses a separate RS-232 port to the PC, and 
 its other 9-pin back panel connector is intended for 
 Kenwood transceivers.
 
 I have been very happy with a Gearmo 4-port USB to serial 
 adapter that uses the FTDI chip set:
 
 http://www.amazon.com/FT4232HL-Professional-Retention-Certifie
 d-Microsoft/dp
 /B004ETDC8K
 
 The four ports go to a P3 (daisy chained to a K3), a KPA500, 
 a KAT500 (adding a KXSER cable for DB-9 to 3.5mm TRS plug) 
 and another with KXSER for
 KX3 or XG3 or W2.
 
 This enables me to use my logging program (N1MM) and the KPA 
 and KAT500 Utilities concurrently, and I don't have to fiddle 
 with cables or change COM port numbers on programs.
 
 Your assumptions on the Y cable are correct.
 
 My configuration is slightly different in that I don't use a 
 microKeyer right now (mine worked great, no complaints), but 
 in a temporary station I found that I could key the radio 
 acceptably with the N1MM CW keying through the same serial 
 port it uses for CAT control (through the Gearmo USB to 
 Serial adapter) and therefore don't need the Y on the K3.

Lu W4LT wrote:
 I now have the complete K-Line and Im wondering how others 
 here have hooked up their system.  Although I dont mind 
 researching and doing the integration myself, so as not to 
 reinvent the wheel and save time, how have others on this 
 reflector dealt with these issues?
 
 Here is what I have:
 
 - K3
 - P3
 - KPA500
 - microHAM microKEYER 2
 - N1MM Logger/Logger 32
 - 2x1 RS232 manual switch
 
 I use a microHAM microKEYER2 for rig control and DVK.  I have 
 a manual RS232 switch that either delegates the MK2's Serial 
 output *OR* a direct feed from my computer's COM port to the 
 Elecraft system's input, currently the P3's serial port.  
 When updating rig and panadaptor software, I always use the 
 direct feed from the computer serial port, and NOT through 
 the microKEYER. 
 
 My question now becomes:  Where do I insert the KPA500 in 
 this chain of serial devices, or do I need to at all?  The 
 KPA500 manual specifically states that you cannot Daisy 
 Chain through the amplifier's serial ports.  I have always 
 been successful daisy chaining through the P3, so if I have 
 to chain them together for control, who is first in line 
 (nearest to the computer)?  Or do I now need a SEPARATE 
 serial port for the KPA500?
 
 Also, I use N1MM Logger and Logger32.  These software 
 packages read and control the rig via the microKEYER 2's CAT 
 interface via USB and microHAM uRouter.  The cable for the
 microKEYER2 has a plug that mates to the AUX port on the K3.
  This port on the K3 will now need to go to the KPA500 via 
 the KPAK3AUX cable. I use a MFJ 998 autotuner, therefore, I 
 will have to put the interruptor in line with this cable, and 
 will have to use the RCA PA Key cable as well, through the 
 MFJ998 and then to the KPA500 for amp PTT control during 
 tuning or High SWR events.  Do I now need a Y cable at the 
 K3's AUX port as well to handle the comms to the amplifier 
 and the microKEYER Aux port needs?  Can I assume that this Y 
 cable has to be a straight thru
 DB-15 cable with the pins paralelled to the two outputs, or 
 is there yet another special cable that is needed to make all 
 of this work together?
 
 Anybody have a similar configuration out there that works 
 well that can get me started down this integration process?

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Re: [Elecraft] K3-PR10

[Ed Muns]

For many situations, no, the K3 does not need additional RF gain on 10
meters.  However, in quiet locations additional gain is needed to pull weak
signals further above the noise floor for good copy.  The PR10 takes the MDS
down to about -143 dBm and the addition of the internal pre-amp down to
about -144.5 dBm.  In the past two years, I've Beta-tested the PR10 in
California on a very quiet ridge top QTH and in Aruba which is also very
quiet much of the time.  Primarily in contest conditions struggling to get
weaker and weaker signals out of the noise floor.  At times I've engaged the
internal K3 pre-amp in addition to the PR10 to get enough gain to copy weak
signals, even though the dynamic range of the system suffers and desense can
be a problem.  In the JARTS RTTY contest I only operated 10 and 15 meters
for about 16 hours, and I had the PR10 and K3 pre-amp on the entire time
from here in California.  Copy was marginal on some of the signals but even
the strongest signals didn't blast me.

Again, this much gain on 10 meters is not needed most of the time.  The K3
RF gain on 6 and 10 meters is less than some other receivers in order to
achieve the excellent dynamic range and desense specs.  It is a good design
trade-off, but there are times when more gain is needed on these higher
bands.

Ed W0YK

 

Tim M0AFJ wrote:
 Just a question, does the K3 really need a 10M preamp, I know 
 it's as deaf as a post on 6 but mine seems very lively on 10.

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Re: [Elecraft] K3 + P3 + Microkeyer

[Ed Muns]

You can add as many Y-adapters as needed to the K3 AUX connector.  In some
of my setups, I have as many as four, due to the number of devices connected
to the AUX signals.  Just be sure you get Y-adapters that have all 15 pins
wired through and none shorted to each other.

Ed W0YK

 

Robby, VY2SS, wrote:
 What if I already have the AUX split for the KRC2?

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Re: [Elecraft] [K3] SO2R Controllers

[Ed Muns]

The DX Doubler met my SO2R needs for fifteen years until last year when I
migrated to computers that don't have native LPT (or, Serial) ports.  That
was really the only impetus to look into other SO2R controllers.  I
considered the YCCC SO2R box, the microHAM MKR2 and the newly released
microHAM u2R.  The u2R was the clear choice for me:

1.  The YCCC SO2R box has all the disadvantages that Joe has outlined plus
it requires an external level translator circuit for FSK.That detracts
from the advantage of an integrated box and lowered my confidence in the
design choices made in this unit.

2.  The MK2R had way more features than I needed or wanted, so I was less
motivated to come up the learning curve on its necessary complexity.

The opinions you have received from all of us are heavily biased by how well
a given SO2R product meets our individual SO2R needs.  For example, N6XI
does SO2R in a (popular) way that makes the DX Doubler inadequate for
monitoring his sent CW.  I always listen to both receivers (sometimes more
than two!), so this was never a limitation for me with the DX Doubler.

The notion of complexity is relative to what your needs/wants are.  The MK2R
is complex for me primarily because it contains a lot of flexibility and
features that I don't use.  For those who want most of that capability, the
learning curve is satisfactory.  They are delighted to have the MK2R's
integration of all those features.

Just like the unanswerable question, Which logging software is best?, the
SO2R controller that is best for each of us will vary based on our
personal SO2R needs.  The good news is that there is a spectrum of
alternatives and each of them is great ... for a specific focus of user
needs.

Ed - W0YK

 

John , N0TA, wrote:
 I want to try out S02R, and need some inputs on SO2R 
 controllers. It will be controlling two K3's.  I am 
 considering the microHam micro2R and the Top Ten DX Doubler. 
 Each has its advantages:
 
 micro2R: Capable of CW, FSK,  SSB. Includes WinKey keyer. Appears
 to have a lot of active support from Joe Subich.
 
 DX Doubler: CW  SSB (I can work the FSK interface). I like the
 manual mode that does not appear to require any computer
 connection. Device and K3 cables available at a reasonable cost.
 
 Any inputs would be greatly appreciated,

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Re: [Elecraft] [K3] SO2R Controllers

[Ed Muns]

Just realized that my posted response addressed the other responses more
than John's original query, so here is more direct input.  The u2R is a
superset of the DX Doubler feature set and more expensive.  It is an
individual decision as to whether those additional features are worth the
higher price for one's needs/wants:

1.  The u2R also has a manual mode, without computer connection, once it is
configured with the Router on the computer.  The manual features are less
than the computer-connected features, but still everything available with
the DX Doubler.
2. The u2R has both USB and LPT connectivity.  The DX Doubler requires a
complete LPT port, i.e., a USB-LPT adapter only supports printers, not the
signal(s) needed by the DX Doubler.
3.  The u2R receive audio switching is user-configurable to virtually any
alternative.  The DX Doubler has only 2-3 choices, but that may be all you
want.
4.  The u2R has transmit audio level controls for each radio, FSK keying for
each radio, DVK, WinKey and a PS/2 jack for a numeric pad or keyboard.
5.  The u2R has isolated USB, LPT and soundcard ports, although the latter
are not needed with the K3's transformer-coupled LINE IN/OUT ports.
6. microHAM does not produce cables for the u2R, but I made mine up easily
with parts from Mouser (DB9 connectors, DB9 hoods, and nice molded connector
cables with phone or RCA Phono plugs on one end and tinned pigtails on the
other end).
7.  The u2R is expandable to MK2R capability by adding 2 microKEYERs in the
future.  In fact, most (all?) of the microHAM products can be integrated
together all using a single installation of the Router software, with a tab
for each box.  The documentation shows the detailed interconnection of all
the reasonable combinations of microHAM products.
8.  Both TopTen and microHAM have excellent support that has been
demonstrated for many years now.

Ed - W0YK


John, N0TA, wrote:
 I want to try out S02R, and need some inputs on SO2R 
 controllers. It will be controlling two K3's.  I am 
 considering the microHam micro2R and the Top Ten DX Doubler. 
 Each has its advantages:
 
 micro2R: Capable of CW, FSK,  SSB. Includes WinKey keyer. Appears
 to have a lot of active support from Joe Subich.
 
 DX Doubler: CW  SSB (I can work the FSK interface). I like the
 manual mode that does not appear to require any computer
 connection. Device and K3 cables available at a reasonable cost.

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Re: [Elecraft] Starting values for AGC with MCU 4.51 ???

[Ed Muns]

At THR=20, the SLP is irrelevant.  All SLP values result in the same effect,
approximately SLP=15.  At higher THR settings, the SLP is flattened to
protect your ears, and at the maximum THR=20 the SLP is horizontal, i.e.,
SLP=15, regardless of what value used for SLP.

Only by turning off AGC will the K3 AGC function go as high as the hardware
AGC.

Ed W0YK

 

Dave, K6LL, wrote:
 I'll be in the WPX CW this weekend, using the rare prefix 
 call sign KZ7X.  I'm hoping for some good pileups to test things out!
 
 I'll be using these settings:
 agc dcy soft
 hld 0.2
 pls nor
 slp 0
 thr 20
 f 200
 s 020
 af lim nor 030
 front panel  agc fast
 Use min preamp, max attenuator, and min rf gain to keep weak 
 signals just clearly readable.
 
 My idea behind those settings is to keep dynamic range as 
 high as possible before agc even begins to actuate.
 
 If agc compression becomes a big issue, I will try turning 
 agc off, and setting rf and af gain to keep signals in the 
 range where they need to be (weak signals readable, and loud 
 signals below the AF Limiter).  I have a new sensitive 
 headphone setup, and new sound deadening in the amplifier 
 that may help in this regard.  Thanks to K3NA for this idea:
 http://wiki.contesting.com/index.php/Setting_receiver_gain_controls

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Re: [Elecraft] Starting values for AGC with MCU 4.51 ???

[Ed Muns]

The full range of SLP values only applies at the lower THR values.  With
THR8, the lower SLP values are not effective.  That is, for THR8 there is
a SLP value below which the AGC curve does not change (become steeper).  At
THR=15, SLP values 0-7 all result in about the same effect as SLP=7.  At
THR=20, the AGC curve is essentially the SLP=15 curve for all values of SLP
from 0-15.  The SLP=0 curve is only 1-2 dB higher than SLP=15 at S9+40dB.

THR=20 is very different than AGC=OFF.  With AGC=OFF, the always-on hardware
AGC allows audio levels 20+ dB higher than the least aggressive DSP AGC
(THR=20, SLP=0).  That's why the AF LIMiter function is available ... to
protect the user's ears.

Ed W0YK
 

Drew AF2Z wrote:
 I don't get the point of THR 20 SLP 0. I assume that is 
 pretty much the 
 same as just turning off the AGC.

Dave K6LL wrote:
 
 That is correct for low to moderate signal levels.  At high 
 signal levels, a pretty aggressive agc flattening kicks in, 
 even at slp=0.  This flattening is more comfortable to deal 
 with than the raucous-sounding AF Limiter, which operates 
 only with AGC turned off.

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Re: [Elecraft] K3-Data mode RTTY

[Ed Muns]

Yes, that is usually the problem.  It happens to me all the time and I still
sometimes forget why!

73,
Ed - W0YK
-
Ed Muns
www.w0yk.com 

 

Bob K6XX replied:
 This parameter is saved separately by band. Could that be the problem?

 On 4/16/2012 1:58 PM, W0MU Mike Fatchett wrote:
  I keep setting the Data MD to 45 baud fsk and somehow the radio has 
  gone back to 75 baud a couple of times on it's own.  Anyone 
 else seen this?

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Re: [Elecraft] Re k3 filters.

[Ed Muns]

Lying to your K3 may be cute to say, but it detracts from what is really
going on.  That filter parameter simply sets the DSP bandwidth at which the
crystal filter engages, and for all narrower bandwidths until the next
crystal filter engages.  The crystal filter and the DSP filter can have
three basic relationships, all with different results.  One filter can be
significantly wider than the other or they can be close to the same
bandwidth.  There are lots of K3s configured in each of these three ways and
the users that understand the implications of their particular choice will
have one or more reasons for that choice.  One popular reason for engaging
the crystal filter at a significantly wider DSP bandwidth, is that the shape
of the audio passband is rounder (because it is dominated by the crystal
filter passband shape) and sounds a bit different than when the more
rectangular DSP passband dominates, i.e, is narrower than the crystal
filter.  One popular reason for engaging the crystal filter when the DSP
bandwidth is well inside it, is to maintain consistent bandwidth steps as
the K3 IF bandwidth is varied via the WIDTH or HI/LO-CUT controls.  Users
that care about this usually don't confuse the marketing name of the filter,
e.g., 250 Hz, with the actual bandwidth, e.g., 370 Hz.

Ed - W0YK

 


Mike, KE5GBC, wrote:
 Don, I thought the comment rather  tongue in cheek. Some 
 consider all caps akin to cursing. 
 
 As to lying to the k3 as to the filter you have put in it's 
 slot which I think more than a few do. 
 If you have told the k3 that it's a 2.1 but it's actually 1.8 
 and you have dsp set to 2.1, isn't it actually 1.8 and lying 
 to yourself?  No offense meant. 
 
 Is there some advantage to this other than allowing one to 
 jump filter to filter like the old days?
 
 I have seen reference to cascading filters but isn't that 
 having the dsp the same as the filter? Could someone as to 
 before mentioned benefit and cascading filters to clear this 
 up for me. 
 I don't see the point in lying to the k3 but wonder if I'm 
 missing a valuable tool?

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Re: [Elecraft] Good Low Cost Audio to USB Interfaces For Digital Modes

[Ed Muns]

I also have some iMic units which work well on RTTY and while they have
stereo Line In, but they do not have duplex audio that Iain is looking for.


Ed - W0YK
 

 On 3/8/2012 10:26 PM, wb6r...@mac.com wrote:
  Hi Jim - I've been using a Griffin iMic for years. Reliable. 
  Inexpensive. FYI.

Jim, K9YC, wrote: 
 Just looked at it.  Looks good, and it might be the same as 
 this one, which W0YK swears by.  He takes them to P40X for 
 his record-breaking RTTY contest efforts. $29.  I just 
 learned about it when I posted the same notes to the NCCC 
 reflector and he responded.
 
 http://www.byterunner.com/byterunner/product_name=UA580/user-i
 d=/password=/exchange=/exact_match=exact
 
 Here's Ed response on the NCCC reflector yesterday, including 
 Iain's question to me.
 
 =   =   =   =   =   =   =   =
 
 I've been using a no-name USB soundcard with my traveling 
 contest PCs for a couple years now with good results.  I 
 discovered recently that it is also marketed by ByteRunner as 
 their model number is UA580.  It does allow full duplex and 
 has stereo Line Input so it works well for SO2V RTTY too.
 Available from several online vendors besides ByteRunner, and 
 under $30.
 
 Ed - W0YK
 
 
 
 Iain, N6ML, wrote:
 
  I'm curious if either of these support duplex operation ...
  i.e. can you connect a mic to the input, connect the output to the 
  line-in on the K3, and use them for live audio as well as 
 recorded 
  messages for software DVK? Some (all?) of the cheap USB audio 
  interfaces I've tried didn't seem to be able to do that - 
 they could 
  record, and playback, but not loop-through...
 
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[Elecraft] KPA500 Key Cap Color

[Ed Muns]

The key caps used on the KPA500 switches are commonly available from
suppliers like Mouser for 8-13 cents each.  Colors are black, gray, white,
blue and red.  You can have it your way very easily and cheaply.

Ed - W0YK

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