[Elecraft] K3 Win4k3Suite Question

[Terry]

I am looking to purchase a preowned K3.  I currently own a KX3 that I have
interfaced to Win4K3Suite.

The K3 that I am considering buying has the two 9 pin Din plugs in the back,
one ACC and one DATA.

I am not financially able to purchase a P3 currently and want to use the
spectrum scope on the Win4K3Suite to do that for me.

What do I need to have to be able to interface the K3 to Win4K3Suite in
order to get the spectrum scope to work.

Thanks and 73's,

Terry, N7TB



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[Elecraft] Accessories or upgrades to K3s?

[Peter Dougherty (W2IRT)]

Now that the problem with the KPA3 module on my K3s has been identified I'm
sending my beloved rig off to Watsonville later today. While it's out
getting re-Elecrafted, I'm wondering if there are any mods or improvements
that I should be considering. I bought it assembled in 2015, ordered the
first day it was offered for sale, in fact. I have matched 2.7 filters,
matched 400s for Diversity RX, a 250 and 2.1 in the main RX and the 13 kHz
TX filter. I don't have the DVK or TXCO (and I still don't know what I'd do
with the latter). So anything else I should consider?

Thanks in advance!




Regards,
Peter Dougherty, W2IRT

DXCC Card Checker/CQ-WAZ Checkpoint

www.facebook.com/W2IRT

 

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[Elecraft] Avoiding costly lightning damage to your radios gear

[Wayne Burdick]

Every year, especially in summer, our techs see radios come in that have been 
damaged by lightning, despite the radio's protective circuitry. You can take 
steps to reduce your own risk.

1. Many of us remember to disconnect antennas when lightning is anticipated. 
But in our experience, the most common source of damage, by far, is from an 
attached computer. Computers themselves often fail due to lightning strikes. 
They can also act as conduits for surges to other gear. Just to emphasize this 
point: Customers often say "I disconnected everything but the USB cable to the 
computer...," which left the interface to their radio exposed. 

Note: Only in rare cases have we seen surge damage via other I/O ports 
(accessory jack, paddle/keyer jacks, PTT IN, KEY OUT, and DC). USB and RS232 
ports are the most susceptible.

2. Some stations have an ad-hoc ground system and little or no ESD or surge 
protection. If you haven't already taken protective measures, we strongly 
recommend reading this article, which goes into some detail regarding how 
lightning finds its way in:

   
http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/June2017/Chusid-Morgan.pdf

At the very least, be sure your PC and other gear share a short, heavy, common 
ground.

3. As for protecting your PC, here's a good starting point:

https://www.wikihow.com/Protect-a-PC-in-a-Thunderstorm

73,
Wayne
N6KR




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Re: [Elecraft] New website problem - no manuals

[Grant Youngman]

Download the K3S manual.  It’s right where it says it is on the website — 
https://elecraft.com/pages/manuals-downloads 

The differences between the K3S and K3 are VERY minor — I think related to 
preamp options as far as menu selections are concerned.And then get the 
latest firmware update history to get the changes since the manual was produced 
(It’s dated 2015).  Firmware update history has always been the source for the 
most recent firmware changes — and they are the same for the K3 or K3S.  
Located here — https://elecraft.com/pages/firmware-software 


Grant NQ5T
K3 #2091 KX3 #8342

> On Oct 29, 2018, at 9:15 PM, N4ZR  wrote:
> 
> Which is fine, but I have a middle-aged K3, with the new synthesizers and 
> other factory fixes.  However, my manual is forty-leven MCU updates behind.  
> Is there anywhere that an updated K3 manual can be uploaded?
> 
> 7
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Re: [Elecraft] New website problem - no manuals

[N4ZR]

Which is fine, but I have a middle-aged K3, with the new synthesizers 
and other factory fixes.  However, my manual is forty-leven MCU updates 
behind.  Is there anywhere that an updated K3 manual can be uploaded?


73, Pete N4ZR
Check out the Reverse Beacon Network
at , now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

On 10/29/2018 8:51 PM, Nr4c wrote:

Well I just downloaded the K3S Mamual on my iPhone.

Sent from my iPhone
...nr4c. bill



On Oct 29, 2018, at 8:32 PM, Ralph Parker  wrote:

I need a new version of the K3 manual. I went to the new website, selected 
'support' from the menu, then 'manuals', which took me to the 'document and 
manuals download' page. I am unable to go farther. Clicking on any of the six 
choices available gets me nowhere.

VE7XF

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Re: [Elecraft] New website problem - no manuals

[Ian Kahn]

Ralph,

Have you cleared your browser cache since the new website went live? It is
possible your browser is holding references to the old location for the
doc, which may have changed with the site redesign.

73 de,

Ian, KM4IK

On Mon, Oct 29, 2018, 8:34 PM Ralph Parker  wrote:

> I need a new version of the K3 manual. I went to the new website,
> selected 'support' from the menu, then 'manuals', which took me to the
> 'document and manuals download' page. I am unable to go farther.
> Clicking on any of the six choices available gets me nowhere.
>
> VE7XF
>
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Re: [Elecraft] Kx3 line

[Nr4c]

Carefully re-check your cable connections. 

Sent from my iPhone
...nr4c. bill


> On Oct 29, 2018, at 6:09 PM, tonybarcl...@gmail.com wrote:
> 
> I have just got my kxpa home and built. No atu
> 
> It work with the kx3 and px3 well.
> 
> I cam get the kx3 and kpxa working with mac logger.
> 
> But when I try with all three and the computer get a port busy message. Am 
> using the cabeling set and the adapter. 
> 
> Am fillowing the cabeling diagram 
> 
> any thoughts please
> 
> Sent from my iPhone
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Re: [Elecraft] New website problem - no manuals

[David Windisch]

H.

Clicking on Title column entries worked fine just now.
Do you have Adobe Acrobat reader installed?

Brgds,
Dave, N3HE



-
Brgds,
Dave, N3HE
Cincinnati OH
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Re: [Elecraft] New website problem - no manuals

[Nr4c]

Well I just downloaded the K3S Mamual on my iPhone. 

Sent from my iPhone
...nr4c. bill


> On Oct 29, 2018, at 8:32 PM, Ralph Parker  wrote:
> 
> I need a new version of the K3 manual. I went to the new website, selected 
> 'support' from the menu, then 'manuals', which took me to the 'document and 
> manuals download' page. I am unable to go farther. Clicking on any of the six 
> choices available gets me nowhere.
> 
> VE7XF
> 
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[Elecraft] New website problem - no manuals

[Ralph Parker]

I need a new version of the K3 manual. I went to the new website, 
selected 'support' from the menu, then 'manuals', which took me to the 
'document and manuals download' page. I am unable to go farther. 
Clicking on any of the six choices available gets me nowhere.


VE7XF

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Re: [Elecraft] K2 Narrow Spaced DR Measurement

[John Oppenheimer]

I believe I understand the low level IMD values not matching the line.
Looking at the Sherwood table, the K2 2kHz DR is "Phase Noise" limited.
Makes sense that phase noise would muck with the low values. Within
Ron's presentations it is mentioned that ARRL tried to solve the problem
with very narrow filters to remove the phase noise.

The 3rd order line slope is defined as two! Seams to me, the simple
approach is to find the line, as was done in the plot (notice the line
equation has "2*x"), and simply extend the line to the noise floor.

If the page is reloaded, there is a new "S3" line in the K2 plot to
demonstrate where the phase noise is an issue, about 12 dB below S3, or
S1 signals. Don't know about others, but the noise floor of my antennas
is well above S1, closer to S3 on a good day.

John KN5L


On 10/29/2018 08:38 AM, John Oppenheimer wrote:
> While evaluating a receiver design, a K2 Narrow Spaced Dynamic Range
> measurement was performed to validate the test bench. The K2 plot is on
> the page: https://www.kn5l.net/newReceiverProject/plot-IMD/
> 
> If the two line equations are used, the Noise floor is -138 dBm and 2kHz
> dynamic range is 87 dB. These are close to the Sherwood values of -136
> and 80. The K2 settings are my normal operation IF/AF BW settings, which
> is a little narrower than the Sherwood measurement parameters.
> 
> The question is the low level IMD measurement points do not follow the
> line equation. Is this expected?
> 
> Guess I need to order a $60 Mini-Circuits ZFSC-2-6+
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Re: [Elecraft] K2 frequency counter question

[Jim KO5V]

Thanks Don, that's good news. I'm not expecting perfection - just getting close 
will do for now. 

73, Jim  KO5V


-Original Message-
>From: Don Wilhelm 
>Sent: Oct 29, 2018 2:53 PM
>To: Jim KO5V , Elecraft List 
>Subject: Re: [Elecraft] K2 frequency counter question
>
>Jim,
>
>Of course that can be done.  You would need to construct a coaxial 
>counter probe similar to the internal probe (with a 10pF capacitor in 
>series with the tip), but unlike the internal probe, you would have to 
>provide a ground lead to the shield near the tip end. (the internal 
>probe depends on the K2 PC board ground for the return path - that does 
>not exist with an external device).
>
>The length of your "probe" coax may reduce the maximum frequency that 
>can be used.  With a short probe, the counter is good to 40 MHz.
>
>The K2 display is limited to 10 Hz resolution, and its accuracy is 
>dependent on properly setting the 4 MHz reference oscillator.  You can 
>check that by tuning to WWV in SSB mode and using the N6KR method to 
>determine the correct setting.
>The details of how to do that are on my website www.w3fpr.com K2 Dial 
>Calibration article.  The use of Spectrogram to determine that the 
>transmitted audio tones are received at the correct frequency.  If you 
>need Spectrogram, you can download it from my website opening page - 
>look near the bottom for the links.  I have versions 5.17 and version 16 
>there.
>
>73,
>Don W3FPR
>
>On 10/29/2018 2:53 PM, Jim KO5V wrote:
>> I have what may be a stupid or naive question: has anyone used the built-in 
>> frequency counter in a K2 to measure the frequency of a circuit external to 
>> the radio?
>> 
>> I found what may be a reference to this, done by a French ham, but his link 
>> no longer works. If this is possible, any info (especially potential 
>> gotchas) would be greatly appreciated. I have built a couple of nixie-tube 
>> clocks as Christmas gifts, and I need to adjust their internal frequency 
>> references. The output is a 400khz, TTL level square wave. I know I probably 
>> need more precision that the K2's counter may have, but right now, I just 
>> want to get as close as possible.
>> 
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Re: [Elecraft] Kx3 line

[Don Wilhelm]

Tony,

Only one COM port is used for the KXPA100, PX3, and KX3 - and only one 
application can use a COM port at a time.


Yes, it is a USB port on the computer, but the computer assigns a COM 
port to the USB to serial adapter.


You will have to close one application to use another one.  The port is 
made BUSY by the 1st application, and cannot be used by any other until 
that application releases the port.


In other words, it is a problem with the computer enforcing the one 
application at a time using the COM port.


73,
Don W3FPR

On 10/29/2018 6:09 PM, tonybarcl...@gmail.com wrote:

I have just got my kxpa home and built. No atu

It work with the kx3 and px3 well.

I cam get the kx3 and kpxa working with mac logger.

But when I try with all three and the computer get a port busy message. Am 
using the cabeling set and the adapter.

Am fillowing the cabeling diagram


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[Elecraft] Kx3 line

[tonybarclay1]

I have just got my kxpa home and built. No atu

It work with the kx3 and px3 well.

I cam get the kx3 and kpxa working with mac logger.

But when I try with all three and the computer get a port busy message. Am 
using the cabeling set and the adapter. 

Am fillowing the cabeling diagram 

any thoughts please

Sent from my iPhone
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[Elecraft] F.S. Timewave Navigator

[Joseph Trombino, Jr]

Howdy Gang.

Tried the digital modes and just don’t enjoy them much….dedicated CW OP here 
(grin) so I’m offering for sale a like new, Timewave Navigator all set for the 
KX3/KX2.

This unit costs $375 from HRO plus another $55 for the cable for the KX3/KX2…a 
total of $430.

Will ship the unit with manual and all cables for $325.

73, Joe W2KJ
I QRP, therefore I am


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Re: [Elecraft] K2 frequency counter question

[Don Wilhelm]

Jim,

Of course that can be done.  You would need to construct a coaxial 
counter probe similar to the internal probe (with a 10pF capacitor in 
series with the tip), but unlike the internal probe, you would have to 
provide a ground lead to the shield near the tip end. (the internal 
probe depends on the K2 PC board ground for the return path - that does 
not exist with an external device).


The length of your "probe" coax may reduce the maximum frequency that 
can be used.  With a short probe, the counter is good to 40 MHz.


The K2 display is limited to 10 Hz resolution, and its accuracy is 
dependent on properly setting the 4 MHz reference oscillator.  You can 
check that by tuning to WWV in SSB mode and using the N6KR method to 
determine the correct setting.
The details of how to do that are on my website www.w3fpr.com K2 Dial 
Calibration article.  The use of Spectrogram to determine that the 
transmitted audio tones are received at the correct frequency.  If you 
need Spectrogram, you can download it from my website opening page - 
look near the bottom for the links.  I have versions 5.17 and version 16 
there.


73,
Don W3FPR

On 10/29/2018 2:53 PM, Jim KO5V wrote:

I have what may be a stupid or naive question: has anyone used the built-in 
frequency counter in a K2 to measure the frequency of a circuit external to the 
radio?

I found what may be a reference to this, done by a French ham, but his link no 
longer works. If this is possible, any info (especially potential gotchas) 
would be greatly appreciated. I have built a couple of nixie-tube clocks as 
Christmas gifts, and I need to adjust their internal frequency references. The 
output is a 400khz, TTL level square wave. I know I probably need more 
precision that the K2's counter may have, but right now, I just want to get as 
close as possible.


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Re: [Elecraft] Retiring my MK-II

[Bob Wilson, N6TV]

On Mon, Oct 29, 2018 at 2:55 AM David Decoons  wrote:

> I will be helping Peter with this project.
>

Thanks.

On Mon, Oct 29, 2018 at 10:57 AM Peter Dougherty (W2IRT) 
wrote:

> Can I transmit and receive CW, SSB, two-VFO RTTY, FT-8 and other
> digimodes, .WAV file sequencing, firmware
> uploads, and CAT control to/from the K3s using mostly just the single
> USB cable and the physical connection to my paddles?


Yes.

Can you do it without "a maze of impenetrable software solutions"?

No, but once you get it set up, it won't be too bad.

On Mon, Oct 29, 2018 at 2:55 AM David Decoons  wrote:

> Couldn’t we use the USB in from the radio to PC, then use a program such
> as CSPE to split the CAT port (created by radio USB) to share between
> programs and the amp?
>

The amp?  Since W2IRT has a K3S and KPA1500, no serial connection is needed
between the K3S and the amp.  The 15-pin ACC cable between the K3S, KPA1500
and Y-BOX handles all required communication.

Did mean VSPE ?  Here are the
steps to share the K3S virtual serial port between N1MM and MMTTY and use
AFSK RTTY.  This method uses the K3S virtual serial port RTS line for
"Hardware PTT" from MMTTY to avoid potential command conflicts that are
possible if you try to use "Radio Command PTT" from MMTTY.

*K3 Setup:*

CONFIG:RS232  USB  (In the VSPE setup below, I assume *COM5:* is the FTDI
serial port created by the K3S)
CONFIG:RTS-DTR PTT-OFF (for computer-generated CW, you will have to change
this to CONFIG:RTS-DTR PTT-KEY)
MAIN:MIC SEL  LINE IN (make sure *nothing* is plugged into LINE IN or LINE
OUT on the rear panel of the K3, otherwise you get zero audio on the K3 USB
sound card)
MAIN:MIC+LIN  OFF  (for SSB, you may have to set MAIN:MIC+LIN ON)

*Windows Setup to make the K3 USB Sound Card work in Stereo Mode so you
MMTTY can decode both Main and SubRx:*

   1. Windows Key + R (run):  mmsys.cpl (shortcut to open Windows sound
   control panel)
   2. On the *Recording* tab, select the K3's *USB Audio CODEC* and click
   *Properties*
   3. On the *Advanced* tab, select *2 channel, 16 bit, 48000 Hz (DVD
   Quality)* and click *OK*
   4. Click *OK* again

*VSPE Setup:*

   1. Device | Create | Splitter
   2. Virtual Serial Port:  COM6, Data Source Serial Port:  COM5 (or
   whatever the K3 USB cable created, check Device Manager)
   3. Check *Redirect Modem Registers*
   4. Under Initial modem registers state, *uncheck* both RTS and DTR
   5. Click OK
   6. Click Start emulation

*N1MM Setup:*

As you were doing before, but use COM6 for rig control instead of COM5

(For CW, specify CW keying on the DTR pin of COM6, PTT on the RTS pin)


*MMTTY Setup:*

   1. From the menu, *Option | Setup MMTTY*
   2. On the *TX* tab, under PTT & FSK, set Port to *NONE*
   3. Click the *Radio Command* button
   4. Set Port to *COM6* using the same settings as N1MM, (e.g. Baud:
   38400, Data Length: 8bits, Stop: 1bit, Parity: None, Flow control: none)
   5. Very important:  under *DTR/RTS*, check the box labeled *PTT*
   6. Very important:  at the bottom, set *Group* to *Clear* so no radio
   commands will be sent  by MMTTY and only hardware PTT will be used
   7. Click *OK*
   8. On the *SoundCard* tab, set Reception and Transmission to *USB Audio
   Codec*
   9. On the *Misc* tab, select Source:  *Left* for  Main Rx (VFO A) and
   click *OK*
   10. If you also want to decode Sub Rx (VFO B), you must configure a
   second independent instance of MMTTY (launched from a separate directory)
   but select Source: *Right*.  Perhaps you already had that working.

Of course you'll have to do further fine tuning to adjust audio levels as
required.

GL.

73,
Bob, N6TV
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[Elecraft] K2 frequency counter question

[Jim KO5V]

I have what may be a stupid or naive question: has anyone used the built-in 
frequency counter in a K2 to measure the frequency of a circuit external to the 
radio? 

I found what may be a reference to this, done by a French ham, but his link no 
longer works. If this is possible, any info (especially potential gotchas) 
would be greatly appreciated. I have built a couple of nixie-tube clocks as 
Christmas gifts, and I need to adjust their internal frequency references. The 
output is a 400khz, TTL level square wave. I know I probably need more 
precision that the K2's counter may have, but right now, I just want to get as 
close as possible.

I hope I'm not completely crazy here...

Thanks. 73,

Jim KO5V
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Re: [Elecraft] Retiring my MK-II

[Joe Subich, W4TV]

On 2018-10-29 1:57 PM, Peter Dougherty (W2IRT) wrote:

Can I transmit and receive CW, SSB, two-VFO RTTY, FT-8 and other 
digimodes, .WAV file sequencing, firmware uploads, and CAT control 
to/from the K3s using mostly just the single USB cable and the 
physical connection to my paddles? I want to implement a KISS 
solution **IF** it can be done. 


The answer to the question in the first line in yes.  However, when
you add the additional qualifier that it must be a KISS solution
the answer becomes no.

Simply put, in order to meet your specifications with *multiple*
applications (I know you use N1MM+, DXLab Suite, WSJT-X and MMTTY at
least), you *must* study the various manuals/help files and spend
a significant amount of time configuring each piece of software
to properly relate to the transceiver *and* study the transceiver
Owner's Manual to in order to figure out how to configure the
transceiver for the specific requirements of each application
(as well as vice versa).

For example, with DXLab Suite (WinWarbler) you need to understand
how to integrate transceiver commands with your wave files to switch
the audio input from mic to sound card and back with each wave file
*or* configure the transceiver to enable *both* mic and Line inputs
(and accept issues of noise from the "inactive" input).


Otherwise I'll just keep the MK-II in line since it's a known-valid
configuration, albeit one I don't particularly like (no offense,
Joe).


You now know one of the guiding principles of microHAM's design for
the last 20 years.  The microHAM hardware/software is designed to
handle all the configuration issues ... it is intended to utilize
each supported transceiver in the manufacturer's stock/recommended
configuration and handle changes in input/output, etc. based on the
mode reported by the CAT interface, TX/RX status and source of PTT.


73,

   ... Joe, W4TV


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Re: [Elecraft] Retiring my MK-II

[Peter Dougherty (W2IRT)]

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Gary Smith
Sent: Monday, October 29, 2018 1:11 PM
To: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] Retiring my MK-II

> I know I'm going to lose two things: The Winkeyer, and true FSK RTTY.

# Perhaps not, I use the marvelous 
Win4K3Suite which with com0com gives me 
com ports aplenty to use MMTTY, N1MM, 
WSJT-X and Logic 9 all running at the same 
time.

[pjd] I do plan to purchase Win4K3 eventually.


# I check off the Winkey box in the N1MM 
setup and use the USB winkey. I'm assuming you don't have the USB 
version. maybe there's a mod to add USB to 
your unit?

[pjd] I don't own a stand-alone Winkeyer. I own the MicroHam Microkeyer-II,
has a Winkeyer built-in, and it's that device that I want to retire. 

# With RTTY, I use N1MM and run the MMTTY 
digital window with the K3 set to AFSK A 
and it works beautifully. When not using 
RTTY I set the radio to DATA A for WSJT-X

Flawless.

[pjd] That's good to know. I will be using both RTTY and FT-8. For RTTY, the
need is to have left audio/control for VFO-A and right for VFO-B, which is
how I have it set now. Receive shouldn't change, I don't imagine, but I'm
not sure how to transmit RTTY on the K3s without the Microkeyer-II. And as
another posted mentioned, sequencing .WAV files in N1MM and WinWarbler is an
extremely high priority. 

There are two issues at play for me. One is a complex hardware setup that
can easily allow the ingress of RFI into the audio chain, and that makes
physical reconnection of the radio a real chore after I have to take it out
for whatever reason. Connections that are fragile, wires that can't be
dressed correctly because of length due to the arrangement of my radio desk
and so on. The other side of the equation, and I think I may be fearing this
even more, is the need to replace all sorts of hardware and cables with a
maze of even more impenetrable software. As anybody who knows me knows, I
*detest* software solutions since it's so easy for any one app to break when
Windows 10 veers off in another direction.

So basically, what it boils down to is this: Can I transmit and receive CW,
SSB, two-VFO RTTY, FT-8 and other digimodes, .WAV file sequencing, firmware
uploads, and CAT control to/from the K3s using mostly just the single USB
cable and the physical connection to my paddles? I want to implement a KISS
solution **IF** it can be done. Otherwise I'll just keep the MK-II in line
since it's a known-valid configuration, albeit one I don't particularly like
(no offense, Joe).

73,

Gary
KA1J
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Re: [Elecraft] Retiring my MK-II

[Gary Smith]

> I know I'm going to lose two things: The Winkeyer, and true FSK RTTY.

# Perhaps not, I use the marvelous 
Win4K3Suite which with com0com gives me 
com ports aplenty to use MMTTY, N1MM, 
WSJT-X and Logic 9 all running at the same 
time. I do need to use winkey with N1MM in 
CW if I want to use the keyboard to send. 

I check off the Winkey box in the N1MM 
setup and use the USB winkey. There are 
two connections to the WinkeyUSB box; one 
goes to the key and the other USB to the 
computer, that's it and the CW transmit 
functions work perfectly.

I'm assuming you don't have the USB 
version. maybe there's a mod to add USB to 
your unit?

With RTTY, I use N1MM and run the MMTTY 
digital window with the K3 set to AFSK A 
and it works beautifully. When not using 
RTTY I set the radio to DATA A for WSJT-X

Flawless.

73,

Gary
KA1J
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Re: [Elecraft] Tuneup, Rescue, Build your K2 and others

[Graziano Roccon (IW2NOY)]

Hello Alan,

thanks for your page on the K2-Twins.
I saw them a long time ago and i was impressed with the solution.
After a short time i begun to search for a KAT100 in EC2 and i bought 
it.
Just the last weekend i decided to do the transformation and my K2-100 
has become a K2qrp + KAT100-KPA100 in EC2, the "Twins".
Your instruction and the detailed pictures were a great inspiration and 
a really precious guide to let me duplicate the solution.


Thanks a lot Alan.

Best 73's de IW2NOY Graziano Roccon

Il 2018-10-29 15:24 Alan D. Wilcox ha scritto:

Hello,

Does your K2 need repair? Tuneup?
Want to sell it, but it needs some attention before offering it for 
sale?


In addition to tuning your rig, I can also rescue a building project
you might have started some time ago.

See what my clients have said about my construction and service work at
http://www.eham.net/reviews/detail/6768

Photos of the popular "Twins" -- the KPA100 and KAT100 in EC2
enclosure --  are at
https://wilcoxengineering.com/kpa100-in-ec2/

Cheers,
Alan

Alan D. Wilcox, W3DVX (K2-5373, K3-40)
570-478-0736 (cell, text)
http://amazon.com/author/alandwilcox
Williamsport, PA 17701

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Re: [Elecraft] Adding mini-banana jack counterpoise point to a KX3?

[rich hurd WC3T]

Currently to one of the case screws with a ring terminal.  When the AXT1
shows up, I'm going to create a pigtail from that antenna mount
specifically using a .183 quick connect and a PowerPole (or maybe just a
quick connect to the counterpoise wire like the Superantenna does.

On Mon, Oct 29, 2018 at 8:58 AM Ken Ford - W9LSL  wrote:

> The double binding post adapter isn’t what I have in mind - I’m thinking
> specifically about use with the AX1 which needs a counterpoise.
>
> Rich Hurd WC3T, where are you attaching your pigtail?
>
>
>
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
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> Message delivered to r...@wc3t.us



-- 
72,
Rich Hurd / WC3T / DMR: 3142737
Northampton County RACES, EPA-ARRL Public Information Officer for Scouting
Latitude: 40.761621 Longitude: -75.288988  (40°45.68' N 75°17.33' W) Grid:
*FN20is*
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[Elecraft] Tuneup, Rescue, Build your K2 and others

[Alan D. Wilcox]

Hello,

Does your K2 need repair? Tuneup?
Want to sell it, but it needs some attention before offering it for sale? 

In addition to tuning your rig, I can also rescue a building project you might 
have started some time ago.

See what my clients have said about my construction and service work at 
http://www.eham.net/reviews/detail/6768 

Photos of the popular "Twins" -- the KPA100 and KAT100 in EC2 enclosure --  are 
at
https://wilcoxengineering.com/kpa100-in-ec2/ 

Cheers,
Alan

Alan D. Wilcox, W3DVX (K2-5373, K3-40)
570-478-0736 (cell, text)
http://amazon.com/author/alandwilcox
Williamsport, PA 17701

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[Elecraft] K2 Narrow Spaced DR Measurement

[John Oppenheimer]

While evaluating a receiver design, a K2 Narrow Spaced Dynamic Range
measurement was performed to validate the test bench. The K2 plot is on
the page: https://www.kn5l.net/newReceiverProject/plot-IMD/

If the two line equations are used, the Noise floor is -138 dBm and 2kHz
dynamic range is 87 dB. These are close to the Sherwood values of -136
and 80. The K2 settings are my normal operation IF/AF BW settings, which
is a little narrower than the Sherwood measurement parameters.

The question is the low level IMD measurement points do not follow the
line equation. Is this expected?

Guess I need to order a $60 Mini-Circuits ZFSC-2-6+

John KN5L
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Re: [Elecraft] Adding mini-banana jack counterpoise point to a KX3?

[Ken Ford - W9LSL]

The double binding post adapter isn’t what I have in mind - I’m thinking
specifically about use with the AX1 which needs a counterpoise.

Rich Hurd WC3T, where are you attaching your pigtail?



--
Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] Retiring my MK-II

[Joe Subich, W4TV]

Couldn’t we use the USB in from the radio to PC, then use a program 
such as CSPE to split the CAT port (created by radio USB) to share 

> between programs and the amp?

Yes, if the logging program can handle any "unexpected" responses from
the amplifier.  VSPE is an "unmanaged" splitter - data from any port is
echoed to all ports.  Some of the better logging software offers the
ability to separately control an amplifier (or external receiver,
slave transceiver etc.).

Many modern PCs and motherboards have a blue line in connector that 

> accepts stereo input.

You should not need that.  The K3S (or K3 with KIO3B) USB audio is
stereo with Main RX on Left and Sub RX on Right.

Other than switching between sound card and mic for DVK purposes, the
K3S should be able to handle everything with no external hardware.  If
true FSK is important (rather than AFSK), consider MORTTY.  MORTTY will
provide a true FSK output from a USB port and is now supported by MMTTY.
Two MORTTY units can provide FSK and a Winkey emulator if you want to
offload CW timing from the PC as well.

73,

   ... Joe, W4TV


On 2018-10-29 5:55 AM, David Decoons wrote:

Hi Bob,

I will be helping Peter with this project.

Couldn’t we use the USB in from the radio to PC, then use a program such as 
CSPE to split the CAT port (created by radio USB) to share between programs and 
the amp?

Many modern PCs and motherboards have a blue line in connector that accepts 
stereo input.

73
Dave wo2x


Sent from Mail for Windows 10

From: Bob Wilson, N6TV
Sent: Monday, October 29, 2018 2:09 AM
To: Elecraft Reflector; Peter W2IRT
Subject: Re: [Elecraft] Retiring my MK-II

On Sun, Oct 28, 2018 at 10:26 PM Peter Dougherty (W2IRT) 
wrote:


Since the K3s has its own built-in sound card it connects via USB I don't
see the need for the MK-II any longer, and frankly I'd like to reduce the
complexity and clutter behind the radio in a very tight space. I am using
both the K3s and a P3 (with TX monitor), so I'm unsure of the needed
cabling. I also have a Y-box installed at the moment, for my band decoder
to
the antenna switch and to my KPA-1500.

I set this all up in July, 2015 and quite honestly, I've forgotten all the
steps I needed to get the rig working with the MK-II, so  I'd appreciate
any
details of how to get everything working without it.



Tell MMTTY to use the USB Audio CODEC for reception (and perhaps
transmission).  Set MENU:MIC SEL to LINE IN.

The tricky part will be getting PTT to work, since MMTTY can't open the
same serial port if it is also being used for rig control by your logging
program.

I know I'm going to lose two things: The Winkeyer, and true FSK RTTY.


Most logging programs can send decent CW over the K3S USB cable (more
below).  This is via "on/off" keying, not KY commands.

FSK RTTY can still be supported by connecting a Serial Box (
https://bit.ly/S-BOX) to your Y-BOX.  This provides a separate serial port
exclusively for MMTTY.  If all of the 15-pin connectors of your Y-BOX are
already in use, you can use the RCA connectors to connect the two
together.  Otherwise, a short 15-pin M/M cable is all you need to connect
them together.  Remote K3 power on can also be supported by the S-BOX, if
needed.

I've operated away from home just using the K3s's internal keyer and never

had a
problem (I'm still a relative slowpoke, rarely over 32WPM in contests and
lower other times).



For contests or computer keying, you can set CONFIG:PTT-KEY to RTS-DTR and
tell your logging program to send CW on the DTR pin of the K3S virtual
serial port, and PTT on the RTS pin.  Hand sending via the internal keyer
works great too.  I've written Win-Test scripts to keep the K3 paddle speed
in sync with the logging program sending speed (or you can set it a few WPM
slower if you prefer).  See https://bit.ly/wtscripts (not required).

RTTY will be a challenge for me, though. I haven't used AFSK for 17 years

so would greatly appreciate help in making that work,



No need to use AFSK if you can get FSK to work over a separate serial port
(or virtual serial port).  Reception of one or both VFOs would be via the
LINE OUT jack to your PC stereo LINE IN (if it has one).  But all MIC
connectors I've seen on PCs are MONO despite using a stereo (TRS)
connector, so you won't be able to use dual VFOs for reception unless you
use an external sound card with a stereo LINE IN jack (external USB sound
cards with a stereo LINE IN jack are very inexpensive at present).

73,
Bob, N6TV
https://bit.ly/Y-BOX
https://bit.ly/S-BOX
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Re: [Elecraft] Retiring my MK-II

[David Decoons]

Hi Bob,

I will be helping Peter with this project.

Couldn’t we use the USB in from the radio to PC, then use a program such as 
CSPE to split the CAT port (created by radio USB) to share between programs and 
the amp?

Many modern PCs and motherboards have a blue line in connector that accepts 
stereo input.

73
Dave wo2x


Sent from Mail for Windows 10

From: Bob Wilson, N6TV
Sent: Monday, October 29, 2018 2:09 AM
To: Elecraft Reflector; Peter W2IRT
Subject: Re: [Elecraft] Retiring my MK-II

On Sun, Oct 28, 2018 at 10:26 PM Peter Dougherty (W2IRT) 
wrote:

> Since the K3s has its own built-in sound card it connects via USB I don't
> see the need for the MK-II any longer, and frankly I'd like to reduce the
> complexity and clutter behind the radio in a very tight space. I am using
> both the K3s and a P3 (with TX monitor), so I'm unsure of the needed
> cabling. I also have a Y-box installed at the moment, for my band decoder
> to
> the antenna switch and to my KPA-1500.
>
> I set this all up in July, 2015 and quite honestly, I've forgotten all the
> steps I needed to get the rig working with the MK-II, so  I'd appreciate
> any
> details of how to get everything working without it.
>

Tell MMTTY to use the USB Audio CODEC for reception (and perhaps
transmission).  Set MENU:MIC SEL to LINE IN.

The tricky part will be getting PTT to work, since MMTTY can't open the
same serial port if it is also being used for rig control by your logging
program.

I know I'm going to lose two things: The Winkeyer, and true FSK RTTY.


Most logging programs can send decent CW over the K3S USB cable (more
below).  This is via "on/off" keying, not KY commands.

FSK RTTY can still be supported by connecting a Serial Box (
https://bit.ly/S-BOX) to your Y-BOX.  This provides a separate serial port
exclusively for MMTTY.  If all of the 15-pin connectors of your Y-BOX are
already in use, you can use the RCA connectors to connect the two
together.  Otherwise, a short 15-pin M/M cable is all you need to connect
them together.  Remote K3 power on can also be supported by the S-BOX, if
needed.

I've operated away from home just using the K3s's internal keyer and never
> had a
> problem (I'm still a relative slowpoke, rarely over 32WPM in contests and
> lower other times).


For contests or computer keying, you can set CONFIG:PTT-KEY to RTS-DTR and
tell your logging program to send CW on the DTR pin of the K3S virtual
serial port, and PTT on the RTS pin.  Hand sending via the internal keyer
works great too.  I've written Win-Test scripts to keep the K3 paddle speed
in sync with the logging program sending speed (or you can set it a few WPM
slower if you prefer).  See https://bit.ly/wtscripts (not required).

RTTY will be a challenge for me, though. I haven't used AFSK for 17 years
> so would greatly appreciate help in making that work,
>

No need to use AFSK if you can get FSK to work over a separate serial port
(or virtual serial port).  Reception of one or both VFOs would be via the
LINE OUT jack to your PC stereo LINE IN (if it has one).  But all MIC
connectors I've seen on PCs are MONO despite using a stereo (TRS)
connector, so you won't be able to use dual VFOs for reception unless you
use an external sound card with a stereo LINE IN jack (external USB sound
cards with a stereo LINE IN jack are very inexpensive at present).

73,
Bob, N6TV
https://bit.ly/Y-BOX
https://bit.ly/S-BOX
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Re: [Elecraft] Retiring my MK-II

[Bob Wilson, N6TV]

On Sun, Oct 28, 2018 at 10:26 PM Peter Dougherty (W2IRT) 
wrote:

> Since the K3s has its own built-in sound card it connects via USB I don't
> see the need for the MK-II any longer, and frankly I'd like to reduce the
> complexity and clutter behind the radio in a very tight space. I am using
> both the K3s and a P3 (with TX monitor), so I'm unsure of the needed
> cabling. I also have a Y-box installed at the moment, for my band decoder
> to
> the antenna switch and to my KPA-1500.
>
> I set this all up in July, 2015 and quite honestly, I've forgotten all the
> steps I needed to get the rig working with the MK-II, so  I'd appreciate
> any
> details of how to get everything working without it.
>

Tell MMTTY to use the USB Audio CODEC for reception (and perhaps
transmission).  Set MENU:MIC SEL to LINE IN.

The tricky part will be getting PTT to work, since MMTTY can't open the
same serial port if it is also being used for rig control by your logging
program.

I know I'm going to lose two things: The Winkeyer, and true FSK RTTY.


Most logging programs can send decent CW over the K3S USB cable (more
below).  This is via "on/off" keying, not KY commands.

FSK RTTY can still be supported by connecting a Serial Box (
https://bit.ly/S-BOX) to your Y-BOX.  This provides a separate serial port
exclusively for MMTTY.  If all of the 15-pin connectors of your Y-BOX are
already in use, you can use the RCA connectors to connect the two
together.  Otherwise, a short 15-pin M/M cable is all you need to connect
them together.  Remote K3 power on can also be supported by the S-BOX, if
needed.

I've operated away from home just using the K3s's internal keyer and never
> had a
> problem (I'm still a relative slowpoke, rarely over 32WPM in contests and
> lower other times).


For contests or computer keying, you can set CONFIG:PTT-KEY to RTS-DTR and
tell your logging program to send CW on the DTR pin of the K3S virtual
serial port, and PTT on the RTS pin.  Hand sending via the internal keyer
works great too.  I've written Win-Test scripts to keep the K3 paddle speed
in sync with the logging program sending speed (or you can set it a few WPM
slower if you prefer).  See https://bit.ly/wtscripts (not required).

RTTY will be a challenge for me, though. I haven't used AFSK for 17 years
> so would greatly appreciate help in making that work,
>

No need to use AFSK if you can get FSK to work over a separate serial port
(or virtual serial port).  Reception of one or both VFOs would be via the
LINE OUT jack to your PC stereo LINE IN (if it has one).  But all MIC
connectors I've seen on PCs are MONO despite using a stereo (TRS)
connector, so you won't be able to use dual VFOs for reception unless you
use an external sound card with a stereo LINE IN jack (external USB sound
cards with a stereo LINE IN jack are very inexpensive at present).

73,
Bob, N6TV
https://bit.ly/Y-BOX
https://bit.ly/S-BOX
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