[Elecraft] FOR SALE: KX3

[Barry N1EU]

Here's a beautiful, one-owner, lightly used Elecraft KX3 transceiver
complete with following:
KX3 transceiver
KXAT3 antenna tuner
KXUSB computer interface cable
microphone
power cord
Side KX protective End Panels and Plastic Cover
Lowe Pro padded carry case with 4 accessory pockets
Arriba carry case
Complete set of photos viewable at
https://photos.app.goo.gl/Fpu7c55kWpWSepZh7
$1100 plus shipping

Please reply directly via email

Thanks & 73,
Barry N1EU
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Re: [Elecraft] Small set up for KX2 digi

[Barry N1EU]

I've been assembling and testing an ulralight portable FT8 setup for use
with my KX2, although it's based on an 8-inch Windows 10 tablet.  It uses
the *Syba SD-AUD20101* USB soundcard.  It works very well.  I've posted
some notes here:  http://k3s.wikidot.com/ft8sota

73,
Barry N1EU

On Mon, Dec 11, 2017 at 10:36 AM, <elecraft-requ...@mailman.qth.net> wrote:

>
>
> --
>
> Message: 14
> Date: Sun, 10 Dec 2017 14:29:37 -0500
> From: Howard Sherer <h...@lehigh.edu>
> To: elecraft <elecraft@mailman.qth.net>
> Subject: [Elecraft] Small set up for KX2 digi
> Message-ID:
> 

Re: [Elecraft] KX2 in FT8 mode - heat?

[Barry N1EU]

I think the problem only shows up if you're consistently transmitting
(i.e., 12 sec every 30 sec).  My use case is doing a SOTA activation in FT8
mode and having several callers waiting to work me so I could make 5 - 10
qso's in a row without gaps.  That's when the KX2 seems to really heat up.
It must be retaining heat through the 18 sec of down time before the next
transmitting cycle, and this slowly raises the baseline temperature.  This
is evidently NOT a good use case for the KX2 at the 5 watt level, except
perhaps if the ambient temperature is low.

73, Barry N1EU

On Thu, Nov 23, 2017 at 9:46 PM, Tommy <tomm...@hvc.rr.com> wrote:

>  Barry,
>
> I run 10w through my KX2 with the back leg down to allow for airflow
> and don't find heat to be an issue. I'm not TXing all that much, I'm a hunt
> & pounce type with occasional CQing. In the summer I ran a small fan over
> it to help a bit. No issues for me. I normally see it get to the mid 40's
> c.  1:1 swr's.
>
> 73!
>
> Tom - KB2SMS
>
> KX2 #01927
>
>
>
> On 11/23/2017 02:51 PM, Barry N1EU wrote:
>
>> I'd appreciate hearing from others who are using their KX2 in FT8 mode in
>> terms of your experience with power output and acceptable PA heat level.
>> The reason I ask is that I'm running 5W on 40M with the rear foot down
>> (rig
>> tilted up) and I'm seeing the PA temp reach 60deg C in ordinary qso'ing
>> (i.e., xmit for 12 sec out of each 30 sec period) with low SWR.  How much
>> power are you running?  Are you using extra cooling of any type?
>>
>> Thanks & 73,
>> Barry N1EU
>>
>>
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[Elecraft] KX2 in FT8 mode - heat?

[Barry N1EU]

I'd appreciate hearing from others who are using their KX2 in FT8 mode in
terms of your experience with power output and acceptable PA heat level.
The reason I ask is that I'm running 5W on 40M with the rear foot down (rig
tilted up) and I'm seeing the PA temp reach 60deg C in ordinary qso'ing
(i.e., xmit for 12 sec out of each 30 sec period) with low SWR.  How much
power are you running?  Are you using extra cooling of any type?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] Using T1 with KX2 or KX3

[Barry N1EU]

Yes, different use case.  All my KX's have the internal tuner.  But I was
thinking of an antenna configuration which would benefit from having a T1
mounted away from the operating position.

73, Barry N1EU

On Wed, Nov 15, 2017 at 9:00 AM, Dave Fugleberg <dave.w...@gmail.com> wrote:

> Barry, I went through that thought exercise before I ordered my KX2, since
> I already own a T1. In the end I ordered the internal tuner with the KX2. I
> have not regretted it for a minute. No extra cables, batteries, or fuss.
> And it works very well.
> Since you're concerned about remoting the tuner, your use case might be
> different than mine, but for a grab and go portable radio, the internal
> tuner is the way to go.
> On Wed, Nov 15, 2017 at 5:02 AM Heinz Bärtschi <heinz.baerts...@bluewin.ch>
> wrote:
>
>> It is correct understood, Barry.
>>
>> 73, Heinz HB9BCB
>>
>>
>>
>> > Am 15.11.2017 um 11:44 schrieb Barry N1EU <n1eu.ba...@gmail.com>:
>> >
>> > I'm looking for confirmation on how I understand the T1 would work with
>> my
>> > KX2 or KX3.  When I change bands, I will need to go through a manual
>> > re-tune process.  The memories in the T1 won't automatically recall a
>> > setting based on the newly transmitted frequency.  In the case of the
>> KX2
>> > or KX3, I understand that the memories may speed up the re-tune process
>> but
>> > it will still require me pressing the Tune button manually and I
>> wouldn't
>> > be able to mount the T1 remote to the operating position.  The T1 will
>> only
>> > do an automatic recall of settings without a manual re-tune when used
>> with
>> > an FT817 with the special interface cable.  A special interface cable is
>> > NOT available for the KX2 or KX3.
>> >
>> > Do I have this right?
>> >
>> > Thanks & 73,
>> > Barry N1EU
>> >
>> __
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[Elecraft] Using T1 with KX2 or KX3

[Barry N1EU]

I'm looking for confirmation on how I understand the T1 would work with my
KX2 or KX3.  When I change bands, I will need to go through a manual
re-tune process.  The memories in the T1 won't automatically recall a
setting based on the newly transmitted frequency.  In the case of the KX2
or KX3, I understand that the memories may speed up the re-tune process but
it will still require me pressing the Tune button manually and I wouldn't
be able to mount the T1 remote to the operating position.  The T1 will only
do an automatic recall of settings without a manual re-tune when used with
an FT817 with the special interface cable.  A special interface cable is
NOT available for the KX2 or KX3.

Do I have this right?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] Operating FT8 portable with KX3 - GPS time sync question

[Barry N1EU]

In case someone is ever searching this info, I just found a great thread on
this specific topic, only it was for the KX3 and JT65:
http://www.digitalhams.net/msgsdisp.php?parm=kx3-jt65-frequency-drift   I
also found some nice looking freeware software BktTimeSync to do the time
syncing: http://www.maniaradio.it/en/bkttimesync.html

73,
Barry N1EU

On Sat, Oct 28, 2017 at 11:58 PM, Josh <j...@voodoolab.com> wrote:

> Yes, that! I set up NMEATime with a USB "puck" GPS receiver for EME with
> JT65 on a Windows machine not internet connected. Works great. Easy to
> setup & super accurate. GPS antenna indoors sitting on a desk sync'd fine
> to multiple satellites.
>
> 73
> Josh W6XU
>
> Sent from my mobile device
>
> >
> > Google NMEATime. Haven't tried it myself but one of the local hams is,
> along with a USB GPS receiver.
> >
> > 73,
> > Brian, K0DTJ
> >
>
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Re: [Elecraft] Operating FT8 portable with KX3 - GPS time sync question

[Barry N1EU]

Thanks Brian, I just downloaded the trial version of NMEATime.

And to reply indirectly to Don: I checked my laptop clock's accuracy (HP
EliteBook) and it was terrible.  I had it syncing every 3 mins and saw
corrections as high as 0.3 seconds.  Add in the temperature variability of
being outdoors 0-30C, means it needs an external reference.  The GPS
receiver is a viable solution.

73, Barry N1EU

On Sat, Oct 28, 2017 at 11:49 PM, Brian Hunt <huntin...@coastside.net>
wrote:

> Google NMEATime. Haven't tried it myself but one of the local hams is,
> along with a USB GPS receiver.
>
> 73,
> Brian, K0DTJ
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[Elecraft] Operating FT8 portable with KX3 - GPS time sync question

[Barry N1EU]

I don't know if very many portable ops out there are using FT8.  I'm
piecing together a portable FT8 setup for my KX3 and I'm hoping to use a
Bluetooth GPS receiver to provide accurate time sync to a Windows tablet.
If anybody out there is already doing this, can you please tell me what
software you're successfully running under Windows to link the GPS data
with the system time?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] FT8 output power KX2/KX3

[Barry N1EU]

Thanks Tom and Don for the responses.  I'll try a few 15sec FT8 xmit cycles
at 50% (7.5W) into a dummy load while monitoring PA temp.  Any guidance on
what the upper safe limit is for PA temp?

Thanks & 73,
Barry N1EU

On Thu, Oct 26, 2017 at 8:34 AM, Don Wilhelm <donw...@embarqmail.com> wrote:

> Barry,
>
> The normal recommendation is for 50% of the maximum power.
> The KX3 and the KX2 will roll back power for protection if the PA
> transistors get too hot.
> I know the KX3 rolls back to 5 watts, but I am not sure about the level
> for the KX2.
>
> 73,
> Don W3FPR
>
>
> On 10/26/2017 7:50 AM, Barry N1EU wrote:
>
>> What is the recommended max power output setting for the KX2 and for the
>> KX3 for normal FT8 use without after-market heatsink?
>>
>
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[Elecraft] FT8 output power KX2/KX3

[Barry N1EU]

What is the recommended max power output setting for the KX2 and for the
KX3 for normal FT8 use without after-market heatsink?

Thanks & 73,
Barry N1EU
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[Elecraft] KPA500 software controlled bandswitching

[Barry N1EU]

Other than DDUtil and TRX-Manager, are there any other software logging
programs out there that directly support the KPA500 so the
amp automatically tracks the frequency of whatever rig is interfaced to the
software?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] KX3 tuner loss?

[Barry N1EU]

It ends up that John KN5L gave a thorough treatment to the topic in this
thread (might need to be a member of the KX3 Yahoo Group to read):
https://groups.yahoo.com/neo/groups/KX3/conversations/topics/5869

73, Barry N1EU

On Thu, Nov 3, 2016 at 4:08 PM, Ron D'Eau Claire <r...@cobi.biz> wrote:

> You ask a commonly asked question. And, as usual, no responses so far.
>
> I can't give you an estimate either because first, the losses are highly
> dependent upon the impedance transformation. You'd need to characterize
> that
> doublet and feed line (the length of the feed line is important) to see
> what
> impedance it presents to the ATU.
>
> Then you need to measure the ohmic losses in the ATU inductors, wiring and
> connectors. Dielectric losses may occur but with modern gear they are very
> tiny at HF.
>
> Finally you calculate the currents flowing in the ATU at each impedance
> transformation required to achieve a match to your feed line so you can
> calculate the losses based on the resistance of the wires, inductors, and
> connectors.
>
> Personally, I accept the idea that an L-network (which all the Elecraft
> ATUs
> use) is highly efficient and leave it at that.
>
> If I were really inclined to actually measure the loss, I'd first measure
> the RF power output into a stable 50 ohm load without the ATU in the
> circuit. Measure with an external wattmeter at the load as well as the KX3
> output power indicated.
>
> Then I'd breadboard another L-network with a variable cap and variable
> inductor, connect it to the 50 ohm load and to the KX3 output, transmit and
> adjust the external L-net (not the KX3 ATU) for a 1:1 match. In that way
> you
> have created a known dummy load that presents the same complex impedance to
> the KX3 as your antenna system.
>
> Now you can transmit at the same power at the KX3 as before and see what
> the
> power is at the 50 ohm load. Actually, you will be seeing what the power is
> after passing through both matching networks.
>
> My guess is that you'd find the total loss so low you won't be able to read
> the difference on the two power meters.
>
> A more direct approach would be to isolate the ATU in a very well insulated
> enclosure, transmit, and measure the temperature rise until it stabilizes.
> You can then calculate how much energy is being dissipated by the ATU and
> becoming heat. That requires the ATU be carefully isolated from the rest of
> the KX3 and be in a very well insulated enclosure to avoid loss of heat to
> the environment, something not practical to do with a KX3. It is, however,
> a
> valid way to determine losses in external devices like an RF transformer
> (e.g. "balun").
>
> I suspect this explains why few (if any) Hams bother to make the
> measurements.
>
> 73, Ron AC7AC
>
>
>
>
>
> -Original Message-
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
> Barry
> N1EU
> Sent: Thursday, November 3, 2016 7:20 AM
> To: elecraft; k...@yahoogroups.com
> Subject: [Elecraft] KX3 tuner loss?
>
> I'd appreciate knowledgeable estimates of the loss in dB through the KX3
> ATU
> when working into a 44ft (NorCal) doublet fed with twinlead, with or
> without
> a BL2 balun inline, on 20/17/15M.
>
> Thanks & 73,
> Barry N1EU
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[Elecraft] KX3 tuner loss?

[Barry N1EU]

I'd appreciate knowledgeable estimates of the loss in dB through the KX3
ATU when working into a 44ft (NorCal) doublet fed with twinlead, with or
without a BL2 balun inline, on 20/17/15M.

Thanks & 73,
Barry N1EU
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[Elecraft] FS: K3s and P3

[Barry N1EU]

I've got a like new K3s that I'm offering with or without a P3:

http://swap.qth.com/search-results.php?keywords=Like+new+Elecraft+K3s+and+P3=titleordesc

Please respond off-list.

Thanks & 73,
Barry N1EU
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Re: [Elecraft] Procedure: Setting the DSP filters for SSB

[Barry N1EU]

For ssb, you're only real hope is to adjust that interfering guy's
transmitter.

73, Barry N1EU

On Wed, Apr 27, 2016 at 9:38 PM, <ac...@frontier.com> wrote:

> One thing on my K3 that's made me wonder if I'm doing it right is how to
> adjust the various filters and settings to accomplish two things.
>
> 1. During contests, how to best adjust to hear the station and not the guy
> 2.5KHz away
>
> 2. When trying to hear the weak DX, not be blasted by that guy from
> Florida or Texas running a kilowatt.
>
> I work SSB only at this point and haven't found any videos that show how
> to best adjust things.
>
> Don Kiser - AC2EV
> RARA Board member
> VE Team Leader
> 585-613-1035
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Re: [Elecraft] Sherwood's receiver performance table updated

[Barry N1EU]

The IC-7300 uses a 14-bit ADC.

My ANAN-100D uses 16-bit ADC and overload of ADC occurs at a signal level
of -10dBm, which I never see in my single transmitter environment.  I do
prefer the K3s for contesting, but not for lack of front-end robustness on
the part of the ANAN.

73, Barry N1EU

On Wed, Apr 27, 2016 at 3:48 AM, Barry LaZar <k3...@comcast.net> wrote:

> Joe,
> I agree with you basically. I think it's just the manor in which you
> state the problem.
>
> You touch on the real problem 14-16 bits of sampling vice having more
> bits in the sample. It's not specifically the direct sampling architecture.
> I think the radio companies just can't get 24 bit ADCs fast enough to do
> direct sampling at commodity pricing which would allow direct sampling with
> out the baggage. If I can do 24 bit sampling and high and low pass
> filtering, I can simplify receiver design AND have a an acceptable dynamic
> range. Multiple instances of DSP processing of the 24 bit samples will
> allow as many virtual receivers, slices, as processor power will allow. My
> guess is we are on the verge of getting to where we would like to be.
>
> Flex is using a 16 bit ADC and I'm not sure what the 7300 is using,
> but I infer it, too, is 16 bit. I do believe that the Elecraft
> architectures are all based on 24 bit sampling. The Elecraft designs should
> be tolerant to serious environmental abuse short of a local thunderstorm.
>
> Our comments reflect a rigorous tech discussion. But, there is another
> issue that has not been discussed in anything I've read so far, ultimate
> filter rejection. Flex, Kenwood, and Elecraft have filtering that runs in
> the 100 db region, or a little better. I saw that the IC-7300 is about 20
> db worse. What that means if you are a CW operator, serious or otherwise,
> and there is a pile up on a DX station, a contest, or just a really busy
> weekend, you may have problems from strong stations not too far away while
> you are trying to work an S1-3 station. SSB operators have other problems
> like splatter and no amount of superb design will fix that.
>
> I'm pleased there is a vigorous discussion on the new radios. It helps
> push the designers and the technology.
>
> 73,
> Barry
> K3NDM
>
>
> -- Original Message --
> From: "Joe Subich, W4TV" <li...@subich.com>
> To: elecraft@mailman.qth.net
> Sent: 4/26/2016 10:10:32 PM an
> Subject: Re: [Elecraft] Sherwood's receiver performance table updated
>
> On 4/26/2016 8:08 PM, Kevin Stover wrote:
>>
>>> Everybody is ignoring W4TV's 800lb Gorilla, ADC overload.
>>>
>>
>> I can't take credit for that ... the warning comes from some of the
>> best RF designers in the world.  Direct sampling receivers are very
>> good in controlled situations.  Unfortunately, those who are used to
>> analog superhetrodyne receivers do not recognize the symptoms of ADC
>> overload/overflow in many cases.
>>
>> The overflow can show up as an occasional click or pop if the number
>> and strength of signals continues to increase conditions go down hill
>> very rapidly.  The best 16 bit ADC based SDRs can and do show very
>> significant overload issues when run without effective front end
>> bandpass filtering in high RF environments (160 meters near AM BC
>> stations, 40 meters in Europe, 160 meters in New England during a
>> contest, etc.).
>>
>> One can apply filtering (which Icom seems to have done in the 7300),
>> apply attenuation (which Flex seems to have done in the 6000 series)
>> or both.  Filtering limits the number and width of "slice receivers"
>> while attenuation kills weak signal performance.
>>
>> I find Icom's implementation interesting in that they are using the
>> technology as a single band, single channel receiver (they could have
>> added Dual RX within the same band at practically no hardware cost) - an
>> application where, with tight bandpass filtering, direct sampling
>> may be ready to compete as indicated by the fact that Sherwood's tests
>> place the 7300's above some "good" conventional rigs like the Ten-Tec
>> Eagle, Kenwood TS-590SG and TS-990 in MDS, LO Phase noise and IMD DR.
>>
>> However, for the ultimate multi-channel receiver, ADC technology is
>> still 4 to 6 bits short as witnessed by the need for 12 to 20 dB of
>> attenuation in the Flex 6000 or the 0 to 30 dB electronically stepped
>> attenuators in some of the other products like the Anan, Hermes, etc.
>> Sherwood's results hint at this when comparing the MDS with the
>> preamp on and preamp off ... even with its preamp on the Flex 6700
>> MDS is th

Re: [Elecraft] Sherwood's receiver performance table updated

[Barry N1EU]

fwiw, 3 issues concern me about the 7300:

1. Some IC7300 recordings I've downloaded indicated very low AGC Threshold
and limited audio dynamic range.  There's no control over threshold and
slope.  I haven't read about any seasoned users fiddling with gain settings
to try and milk more audio dynamic range and higher threshold out of the
7300.

2. Reports are that something is "broken" with the IP+ implementation -
noise floor increases greatly.  And without IP+, DR is limited as the
sherweng.com table shows.  My understanding is that IP+ use is sometimes
necessary to avoid OVF (ADC overflow).  This is a 14-bit ADC.

3.  There still seems to be discussion on whether or not the 7300 can
produce power spikes in ssb

Looks like a good first effort in direct sampling design from Icom.  I'll
wait for their second try.

73, Barry N1EU

On Mon, Apr 25, 2016 at 2:55 PM, Wayne Burdick <n...@elecraft.com> wrote:

> Rob has added the IC-7851, IC-7300, and IC-9100 to his table:
>
> http://www.sherweng.com/table.html
>
> 73,
> Wayne
> N6KR
>
>
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[Elecraft] KX3 CW Msg send

[Barry N1EU]

After spending 7 hours operating in QRPTTF on Saturday with my KX3, I wish
for 2 things:

1. Single button press to send cw message instead of two
2. When in message repeat mode, allow for a single paddle dit to silently
terminate repeat mode (without actually transmitting or generating
sidetone).  This would allow you to copy someone answering your CQ without
missing a beat.

73, Barry N1EU
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[Elecraft] P3 w TX MON option - flashing display?

[Barry N1EU]

Is there anybody else out there with a P3 (with TX MON option installed)
that sometimes notices intermittent flashing of the P3 display? I only see
the intermittent flashing when the directional coupler is cabled to the
P3.  Elecraft support has never heard of this so I'm just wondering if
anybody else has ever seen this?  Please drop me an email if you have ever
seen it.

73, Barry N1EU
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Re: [Elecraft] Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

[Barry N1EU]

Thanks for all the responses.  Don, your comments are much appreciated and
I planned on building a bracket just as you describe and mounting my
whip/counterpoise to the top of a trekking pole..

Again, I'm not asking about antenna performance.  I will add the
counterpoise in actual operation.  I'm asking if anyone out there who
actually owns the MFJ-1820T can please connect it directly to a antenna
analyzer and check 20M performance.  Yes, I believe these antennas actually
DO resonate just as they are.  I believe mine is 17M (mislabeled), not 20M,
and just looking to confirm that.

Thanks & 73,
Barry N1EU

On Sun, Apr 3, 2016 at 9:34 AM, Bruce Nourish <w0...@w0mbt.net> wrote:

> Did you have a counterpoise when you swept the antenna? If not, you're
> only looking at half your antenna, especially as the RigExpert is almost
> all plastic.
>
> On Sun, Apr 3, 2016, 01:15 Barry N1EU <n1eu.ba...@gmail.com> wrote:
>
>> If anyone else out there has an MFJ-1820T and also an antenna analyzer, I
>> wonder if you could please do me a favor.  Please just connect the whip
>> directly to the analyzer and tell me what the SWR looks like across the
>> 20M
>> and the 17M bands.
>>
>> I swept my MFJ-1820T with my Rig Expert AA-30 and my MFJ-1820T is resonant
>> on 17M, not 20M.  I'm wondering if I have a mislabeled MFJ-1817T.
>>
>> Thanks & 73,
>> Barry N1EU
>>
>>
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Re: [Elecraft] Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

[Barry N1EU]

If anyone else out there has an MFJ-1820T and also an antenna analyzer, I
wonder if you could please do me a favor.  Please just connect the whip
directly to the analyzer and tell me what the SWR looks like across the 20M
and the 17M bands.

I swept my MFJ-1820T with my Rig Expert AA-30 and my MFJ-1820T is resonant
on 17M, not 20M.  I'm wondering if I have a mislabeled MFJ-1817T.

Thanks & 73,
Barry N1EU

On Thu, Mar 24, 2016 at 2:12 AM, Wayne Burdick <n...@elecraft.com> wrote:

> Hi all,
>
> I've been using an MFJ-1820T telescoping 20-meter whip for a few months.
> Considering its length (48"), results have been excellent. I typically use
> it with the KX3 on a picnic table at 15 W (with an external battery), or
> hand-held at 3 to 5 W (internal battery).
>
> During the ARRL DX contest I worked many countries in CW and RTTY modes,
> and have also had a number of longer QSOs on 20-meter SSB. Of course at
> these power levels, with an electrically short whip, good band conditions
> can't hurt.
>
> I prefer a 25' or so wire-in-a-tree antenna when there's time. But when I
> need a quick deployment antenna that weighs very little, I pull out the
> 1820T. Note that you *must* use at least one counterpose wire. More than
> one helps, but all of the QSOs I described were made with a single 13'-long
> wire laid out on the ground. With no ground wire, you'll be down some 15 to
> 20 dB in transmit mode.
>
> Since the 20-meter results were so good, I also bought the whips for 40,
> 17, 15, and 10 meters. 40 meters is a rough ride at 48", but I was still
> able to check into daytime SSB nets all over the west coast running 10 W.
> On the higher bands, results improve as you go higher in frequency. I
> worked a few JAs on 15 meter SSB running just 1 watt.
>
> A traditional problem with such antennas is that the the SWR can sometimes
> be unexpectedly high, requiring that you micro-adjust the telescoping
> length and/or adjust the length of the counterpoise wire. This is
> completely unnecessary if you have an auto-tuner available. In particular,
> the KX3's ATU can quickly match any of these whips over their full target
> band. In a pinch the ATU can also match a given whip on adjacent bands. In
> the DX contest mentioned I tuned up the 20-meter whip on 17 and 15 meters
> as well, and made a few Q's there, despite the losses due to off-resonance
> operation.
>
> These whips can handle a surprising amount of power. They're rated to 25
> W, but I ran 50 W through the 20-meter version for several minutes without
> damaging it. Some other compact whips I've tried overheated quickly even at
> 10 W, including some of the Maldol models. When this happens, the SWR goes
> up and stays up until the coil cools down.
>
> Caveat: Always use a full-size antenna when possible. But if you've just
> crested a new hill and only have a couple of minutes to see if the RF
> really is greener on the other side, this is an excellent choice.
>
> 73,
> Wayne
> N6KR
>
>
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Re: [Elecraft] Operating temperature range ( second attempt)

[Barry N1EU]

On Wed, Mar 30, 2016 at 5:45 PM, John K7JLT <k7jltex...@gmail.com> wrote:

> . I ran the radio up to 110F, 43C (radio out in the sun).
>
>
> REALLY?  My KX3 went belly up at 80F in the sun.  The black case does NOT
like the sun.

Barry N1EU
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Re: [Elecraft] Operating temperature range ( second attempt)

[Barry N1EU]

The coldest I've operated is probably about 20F (-7C).  I've never seen any
cold related issues with the KX3.

73, Barry N1EU

On Wed, Mar 30, 2016 at 12:38 PM, Igor Sokolov <ua9...@gmail.com> wrote:

> Barry, what was the lowest temperature you have used your KX3 without
> noticeable deterioration of performance?
>
> 73, Igor UA9CDC
> - Original Message ----- From: "Barry N1EU" <n1eu.ba...@gmail.com>
> To: "Elecraft Reflector Reflector" <elecraft@mailman.qth.net>
> Sent: Wednesday, March 30, 2016 8:23 PM
> Subject: Re: [Elecraft] Operating temperature range ( second attempt)
>
>
> No, many of SOTA activators have used a KX3 below freezing.  We just
>> haven't used one at -30C (-22F) like you originally mentioned.
>>
>> 73, Barry N1EU
>>
>> On Wed, Mar 30, 2016 at 11:02 AM, Igor Sokolov <ua9...@gmail.com> wrote:
>>
>> Thanks Brendon,Bob and Kevin. I am not worried about batteries. My LiFePo4
>>> were tested at minus 20 C and the drop in capacity is insignificant.
>>> Looks
>>> like nobody tested K3 or KX3 at below freezing temperatures so I will
>>> have
>>> to be the first :) A bit scary...
>>>
>>> 73, Igor UA9CDC
>>> - Original Message - From: "Brendon Whateley" <
>>> bren...@whateley.com>
>>> To: "Igor Sokolov" <ua9...@gmail.com>
>>> Cc: "Elecraft Reflector Reflector" <elecraft@mailman.qth.net>
>>> Sent: Wednesday, March 30, 2016 6:50 PM
>>> Subject: Re: [Elecraft] Operating temperature range ( second attempt)
>>>
>>>
>>>
>>> Hi Igor,
>>>
>>>>
>>>> I think that some have operated at low temperatures in some winter
>>>> competitions -- the US North East gets pretty darn cold -- similar to
>>>> what
>>>> you are talking about. I looked and easily found similar questions to
>>>> yours, but no answers!
>>>>
>>>> The two things I'd be concerned about are the batteries and any
>>>> electrolytic components that may be damaged by extreme low temperatures.
>>>> The LCD screen will also stop working at low temperature, but I've never
>>>> broken one by freezing -- but perhaps I was just lucky!
>>>>
>>>> I think batteries will have issues before most of the electronics. I'd
>>>> suggest building a small insulated (expanded foam?) enclosure to hold
>>>> the
>>>> radio and battery. You could then stick some chemical hand warmers into
>>>> the
>>>> container and keep everything at a reasonable temperature. Look at how
>>>> the
>>>> "space balloon" people do things, they may have some tips. Alternatively
>>>> keep the batteries in an inside pocket of your clothing.
>>>>
>>>> An email to the Elecraft guys may give some guidelines for temperatures
>>>> that may damage components... but apart from those, I'd just give it a
>>>> try!
>>>>
>>>> Good luck and let us know what you find out, so that we can answer  the
>>>> question next time it comes up. (I live in California at the moment and
>>>> our
>>>> harsh winter temperatures barely touch freezing at night!)
>>>>
>>>> - Brendon
>>>> KK6AYI
>>>>
>>>> On Tue, Mar 29, 2016 at 9:20 PM, Igor Sokolov <ua9...@gmail.com> wrote:
>>>>
>>>> There were no responce to the initial message so I post it again:
>>>>
>>>>>
>>>>> I have both K3 and KX3 and I sometimes use them outside in a field
>>>>> operation. Here in Russia we have one funny QRP contest called
>>>>> "Frost-red
>>>>> nose" where extra points are given for low temperature environment
>>>>> during
>>>>> field operation. The contest happens in January when in some places
>>>>> temperatures can be down to minus 30 C. I did not find temperature
>>>>> requirements for K3/KX3 in the specs. Can somebody give me a hint or
>>>>> may
>>>>> be
>>>>> share own experience. What would be the lowest temperature where the
>>>>> rig
>>>>> will still perform adequately?
>>>>>
>>>>> 73, Igor UA9CDC
>>>>>
>>>>> __
>>>>> Elecraft mailing list
>>>>> Home: http://mailman.qt

Re: [Elecraft] Operating temperature range ( second attempt)

[Barry N1EU]

No, many of SOTA activators have used a KX3 below freezing.  We just
haven't used one at -30C (-22F) like you originally mentioned.

73, Barry N1EU

On Wed, Mar 30, 2016 at 11:02 AM, Igor Sokolov <ua9...@gmail.com> wrote:

> Thanks Brendon,Bob and Kevin. I am not worried about batteries. My LiFePo4
> were tested at minus 20 C and the drop in capacity is insignificant. Looks
> like nobody tested K3 or KX3 at below freezing temperatures so I will have
> to be the first :) A bit scary...
>
> 73, Igor UA9CDC
> - Original Message - From: "Brendon Whateley" <
> bren...@whateley.com>
> To: "Igor Sokolov" <ua9...@gmail.com>
> Cc: "Elecraft Reflector Reflector" <elecraft@mailman.qth.net>
> Sent: Wednesday, March 30, 2016 6:50 PM
> Subject: Re: [Elecraft] Operating temperature range ( second attempt)
>
>
>
> Hi Igor,
>>
>> I think that some have operated at low temperatures in some winter
>> competitions -- the US North East gets pretty darn cold -- similar to what
>> you are talking about. I looked and easily found similar questions to
>> yours, but no answers!
>>
>> The two things I'd be concerned about are the batteries and any
>> electrolytic components that may be damaged by extreme low temperatures.
>> The LCD screen will also stop working at low temperature, but I've never
>> broken one by freezing -- but perhaps I was just lucky!
>>
>> I think batteries will have issues before most of the electronics. I'd
>> suggest building a small insulated (expanded foam?) enclosure to hold the
>> radio and battery. You could then stick some chemical hand warmers into
>> the
>> container and keep everything at a reasonable temperature. Look at how the
>> "space balloon" people do things, they may have some tips. Alternatively
>> keep the batteries in an inside pocket of your clothing.
>>
>> An email to the Elecraft guys may give some guidelines for temperatures
>> that may damage components... but apart from those, I'd just give it a
>> try!
>>
>> Good luck and let us know what you find out, so that we can answer  the
>> question next time it comes up. (I live in California at the moment and
>> our
>> harsh winter temperatures barely touch freezing at night!)
>>
>> - Brendon
>> KK6AYI
>>
>> On Tue, Mar 29, 2016 at 9:20 PM, Igor Sokolov <ua9...@gmail.com> wrote:
>>
>> There were no responce to the initial message so I post it again:
>>>
>>> I have both K3 and KX3 and I sometimes use them outside in a field
>>> operation. Here in Russia we have one funny QRP contest called "Frost-red
>>> nose" where extra points are given for low temperature environment during
>>> field operation. The contest happens in January when in some places
>>> temperatures can be down to minus 30 C. I did not find temperature
>>> requirements for K3/KX3 in the specs. Can somebody give me a hint or may
>>> be
>>> share own experience. What would be the lowest temperature where the rig
>>> will still perform adequately?
>>>
>>> 73, Igor UA9CDC
>>>
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>>
>>> This list hosted by: http://www.qsl.net
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>>> Message delivered to bren...@whateley.com
>>>
>>>
>>
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Re: [Elecraft] IC-7300 video - things to come

[Barry N1EU]

The IC-7300 display has hideous resolution.  It can't even trace curves,
just a bunch of bars.  Reminds me of the original 2002 Orion sweep display.

Whatever Elecraft does going forward, please go to the highest resolution
screen that is available and have the horsepower to draw a beautifully
detailed panadapter trace.  That's why pc-based panadapters are so popular
right now.

I'm skeptical about touch screen qsy.  I can't see how you can quickly get
right on frequency.

IMHO, pandapter-centric visual tuning desperately needs a bandmap overlay
with spotted stations (whether self-spotted or cluster) indicated to be
truly useful.

Barry N1EU

On Tue, Mar 29, 2016 at 10:18 AM, lstavenhagen <lstavenha...@hotmail.com>
wrote:

> Wayne and Eric are probably already aware of the competition and working on
> their own responses, but to me the UI advances I personally like are:
>
> - visual representations of the band: panadapters with spectrum displays,
> waterfalls and the like
> - being able to easily QSY to items of interest on the representation.
> - get rid of the ghastly external computer.
>
> In the old old days, the curmudgeonly command to "listen listen listen!"
> meant endlessly scanning back and forth with the tuning knob. Which is
> perfectly fine and that's how I do it with my rigs right now, but this is a
> whole new technology that can supplement that with a visual counterpart
> like
> "use your eyes!".
>
> So what I like in the 7300 that I think Elecraft could think about moving
> towards:
> - integrated spectrum scope/screen, rather than an external device
> - touch-screen operation for QSY, close examination of segments, etc.
>
> What I don't like and would hope Elecraft would avoid in a competing
> solution:
> - messy implementation with all these horrible buttons around the spectrum
> scope.
> - horrible buttons also respond to touch, making goofs and accidental
> misses
> at the spectrum screen your usual iPad experience when you attempt to use
> an
> iPad for something useful. Screens and rotating things going all over the
> place, making a mess. Blech!
>
> So one idea would be a regular knob operated UI for controlling the rig
> itself and a separate spectrum screen on the side, for example, that
> responds to both knobs and touch perhaps. That way, fat fingers won't
> accidentally reset your rig into an unusable configuration like the iPad
> interface, but you do have the touch-screen capability at the spectrum
> scope, where fat fingers will do the least harm and skillful use will have
> the most benefit.
>
> Anyway, some of my ideas,
>
> 73,
> LS
> W5QD
>
>
>
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/IC-7300-video-things-to-come-tp7615622p7615666.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] IC-7300 video - things to come

[Barry N1EU]

Interesting discussion.  I'm not (yet?) a touchscreen fan for radio
control, especially during a contest.

That being said (cough, cough), I am lately having some fun designing my
own touch screen interface for an ANAN-100D.  Someone came up with the
software glue to recognize and map any midi control to any CAT command for
the OpenHPSDR radios (including Apache/ANAN) and there's a $5 TouchOSC
Android application that allows you to quickly design from scratch any type
of virtual midi controller on an Android or iPad tablet.  All this has been
made possible by the Open Source nature of the software.  So instead of a
macro keyboard, I can use my 7 in tablet.

The upshot is that I might be a fan of touchscreen if they were user
configurable.  I really like the idea of users being able to design their
own front panels.

73, Barry N1EU

On Tue, Mar 29, 2016 at 10:00 AM, Guy Olinger K2AV <k2av@gmail.com>
wrote:

> In a contest, particularly a serious effort at a weekend long contest, the
> constant reaching from the keyboard to the front of the rig to operate a
> touch screen presents a repetitive motion problem whose outcome is anywhere
> between tired and injured. This is why many people use the keyboard to
> direct N1MM to QSY up or down instead of using the knob.
>
> Some folks use things like Pig Knob, or a keypad driving macros because it
> can be set next to the keyboard and used while still maintaining wrist
> support for the tuning hand. For those who have already been injured by
> repetitive motions at work, these simplifications may be what makes it
> possible for them to operate any extended time in a contest.
>
> 73, Guy K2AV
>
> On Mon, Mar 28, 2016 at 8:10 PM, Gary <vk1zzg...@gmail.com> wrote:
>
> > Bill
> > I agree, similarly with an Elad, not my choice BUT there is always the
> > possibility some feature or other may be a popular item Elecraft can look
> > at implementing in future FW and/or hardware.
> > Competition drives innovation and that is good for all parties.
> > Touch screen is not likely to be something I want in my radio but there
> IS
> > a market for it no doubt. I just smile when I imagine a mobile with a
> touch
> > screen, driving along, your contact asks you to go up 5 or something. I
> > know I would end up either going somewhere I didn't expect or going off
> > planet.a bump in the road would be my downfall I reckon.
> > 73
> > Gary
> >
> > -Original Message-
> > From: "Bill" <w2...@nycap.rr.com>
> > Sent: ‎29/‎03/‎2016 9:40 AM
> > To: "elecraft@mailman.qth.net" <elecraft@mailman.qth.net>
> > Subject: Re: [Elecraft] IC-7300 video - things to come
> >
> > Actually, this does effect Elecraft users. There may be some good ideas
> > that we will want to see incorporated on future Elecraft products. For
> > example, the use of a touch screen for a lot of its controls. I do not
> > care for touch screen myself, but it is the sign of the times on many
> > things and lots of folks are very comfortable with the concept.
> >
> >
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Re: [Elecraft] Strong recommendation: MFJ 18xx-series single-band whips for KX3, etc.

[Barry N1EU]

Probably a dumb question, but any suggestions on how to connect
counterpoise wires using the MFJ-1820T?  The loaded whip terminates in a
male BNC, which I assume is intended to connect directly to the KX3 antenna
jack.  It's not obvious to me how to add counterpoise wires???

Thanks & 73,
Barry N1EU

On Wed, Mar 23, 2016 at 10:12 PM, Wayne Burdick <n...@elecraft.com> wrote:

> Hi all,
>
> I've been using an MFJ-1820T telescoping 20-meter whip for a few months.
> Considering its length (48"), results have been excellent. I typically use
> it with the KX3 on a picnic table at 15 W (with an external battery), or
> hand-held at 3 to 5 W (internal battery).
>
> During the ARRL DX contest I worked many countries in CW and RTTY modes,
> and have also had a number of longer QSOs on 20-meter SSB. Of course at
> these power levels, with an electrically short whip, good band conditions
> can't hurt.
>
> I prefer a 25' or so wire-in-a-tree antenna when there's time. But when I
> need a quick deployment antenna that weighs very little, I pull out the
> 1820T. Note that you *must* use at least one counterpose wire. More than
> one helps, but all of the QSOs I described were made with a single 13'-long
> wire laid out on the ground. With no ground wire, you'll be down some 15 to
> 20 dB in transmit mode.
>
> Since the 20-meter results were so good, I also bought the whips for 40,
> 17, 15, and 10 meters. 40 meters is a rough ride at 48", but I was still
> able to check into daytime SSB nets all over the west coast running 10 W.
> On the higher bands, results improve as you go higher in frequency. I
> worked a few JAs on 15 meter SSB running just 1 watt.
>
> A traditional problem with such antennas is that the the SWR can sometimes
> be unexpectedly high, requiring that you micro-adjust the telescoping
> length and/or adjust the length of the counterpoise wire. This is
> completely unnecessary if you have an auto-tuner available. In particular,
> the KX3's ATU can quickly match any of these whips over their full target
> band. In a pinch the ATU can also match a given whip on adjacent bands. In
> the DX contest mentioned I tuned up the 20-meter whip on 17 and 15 meters
> as well, and made a few Q's there, despite the losses due to off-resonance
> operation.
>
> These whips can handle a surprising amount of power. They're rated to 25
> W, but I ran 50 W through the 20-meter version for several minutes without
> damaging it. Some other compact whips I've tried overheated quickly even at
> 10 W, including some of the Maldol models. When this happens, the SWR goes
> up and stays up until the coil cools down.
>
> Caveat: Always use a full-size antenna when possible. But if you've just
> crested a new hill and only have a couple of minutes to see if the RF
> really is greener on the other side, this is an excellent choice.
>
> 73,
> Wayne
> N6KR
>
>
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Re: [Elecraft] Pileup Mush (was:audio board)

[Barry N1EU]

It's not a question of whether "your ears can handle the increased range of
audio levels."

I've been in the trenches battling against pileup mush since the K3's
release.  This is only one guy's opinion, but there's another important
prerequisite that's been missing from this discussion.  And that's to use
highly isolating headphones.  That is the ONLY effective way of presenting
the required wide audio dynamic range to your ears.  Unless that's in the
picture, you're significantly handicapped from vanquishing pileup mush.

The use of highly isolating headphones is what allows you to use lower
levels of RF Gain and still clearly hear the weakest signals.  And only
then will the strongest signal levels be below the ear's attenuation reflex
level

K3NA wrote the book on this 8 or so years ago.

73, Barry N1EU

On Wed, Mar 23, 2016 at 11:08 AM, Ian White <gm3...@ifwtech.co.uk> wrote:

> Don wrote:
>
> >Gene (and all),
> >
> >Yes, the AGC settings do help a lot.  The K3/K3S has enough gain that
> >often the AGC is activated on the atmospheric noise in the band.
>
> It isn't so much that the K3/K3S has "gain", but that the factory
> default AGC THReshold is so very, very low. Measurements by KE7X [1]
> have shown that the default setting of THR=5 corresponds to an AGC onset
> at less than S3, whereas competing rigs have a threshold of S7 or even
> higher. This very low AGC threshold is what allows the AGC to be
> activated by band noise.
>
> Elecraft's factory defaults of THR=5 and SLP=12 compress all signals
> above the AGC threshold into a very narrow range of audio output levels
> [see the measurements by KE7X]. This makes for comfortable
> broadcast-style listening - but there is price to be paid. The default
> settings greatly reduce the differences in the *true* strengths of
> incoming signals - important differences that DXers and contesters
> *need* to hear, in order to pick individual signals out of a pileup.
>
> Following complaints from DXers, DXpeditioners and contesters about this
> so-called "pileup mush", and following further series of measurements by
> KE7X, Elecraft eventually did increase the available range of AGC
> THReshold settings (the v4.51 firmware upgrade).
>
> Following the release of FW v4.51, consensus within the [K3-contesting]
> Yahoo group about the most important settings for DXing and contesting
> has been as follows.
>
> * AGC THR: increase to at least 8 (from default = 5) and preferably to
> 12 or even 14 if your ears can handle the increased range of audio
> levels [2].
>
> * AGC SLP: decrease to 8 or even less (from default = 12). Lower SLP
> settings allow stronger signals to sound somewhat louder, and thus more
> realistic, but the range of variation will be partly determined by the
> THR setting already made; so always experiment with THR first, and with
> SLP afterwards.
>
> * AGC DCY = SOFT (not default=NOR). The User Manual claims that "The
> SOFT setting can reduce IMD caused by traditional AGC, and is especially
> useful in 'pileup' conditions, in some cases making it unnecessary to
> turn AGC off."
>
> The settings recommended above have essentially solved the problem of
> "pileup mush" for those who have tried them... but regrettably, Elecraft
> has done almost nothing to make DXers and contesters  aware that such
> changes are possible.
>
> More than 3 years after the firmware release notes boasted that v4.51
> "greatly improves signal clarity in pile-ups and other high-noise or
> dense-signal situations, especially with threshold set to 12 or higher",
> that information is *still* missing from the User Manual. There is also
> no information on how to create different 'profiles' of AGC settings for
> different types of users.
>
> Meanwhile, Elecraft's factory AGC defaults remain exactly as they were,
> still optimized apparently for comfortable 'listening', while many DXers
> and contesters remain unaware that their K3/K3S could actually be *so*
> much better.
>
>
>
> [1] http://www.ke7x.com/home/miscellaneous-k3-information
>
> [2] It is important to give any increased AGC THReshold setting an
> extended trial. To anyone accustomed to an artificially restricted range
> of audio signal levels, a higher setting will initially sound quite
> 'aggressive' -even though the new setting is much closer to real life.
>
>
> 73 from Ian GM3SEK
>
>
> >-Original Message-
> >
> >On 3/22/2016 6:32 PM, Gene Gabry wrote:
> >> This has been an interesting thread to which I have experimented a
> bit
> >more
> >> and found the AGC setting recommendations from a couple of posters to
> >be
> >> very valuable, and E

Re: [Elecraft] K3S audio board for K3 upgrade?

[Barry N1EU]

I agree with Vic - I want minimal AGC action, only kicking in on the
strongest signals to keep the audio level below the ear's attenuation
reflex (see http://n1eu.com/K3NA_rx_audio.pdf )

I have my threshold set at 14 (along with AF Gain at approx 9 o'clock and
RF Gain adjusted so I can just hear band noise).  (btw, you might try
mysettings if you ever experience pileup mush when on the receiving end of
packet pileups).

73, Barry N1EU

On Tue, Mar 22, 2016 at 5:29 AM, Vic Rosenthal <k2vco@gmail.com> wrote:

> "Too much noise" might mean the AGC threshold is low. One way to adjust it
> is to set it so that AGC does not activate on band noise (of course it's
> different on different bands/times). I have mine set to 12. I want AGC to
> do as little as possible except protect my ears.
>
> Vic 4X6GP/K2VCO
>
> > On 21 Mar 2016, at 11:11 PM, lstavenhagen <lstavenha...@hotmail.com>
> wrote:
> >
> > Another BTW, I'm definitely not asserting any _distortion_ of the
> signals or
> > tones in either radio. Both my K3 and K3S are giving pure clean tones and
> > voices. My complaints are only centering around (what I believe to be
> only)
> > the equalization in the audio, particularly the mid/high frequency noise.
> > Though as I said the K2 audio is a tough act to follow and I'm a bit
> spoiled
> > by it.
> >
> > The only time I have any impurities at all are with agressive settings of
> > the noise blanker or DSP with certain types of wide-band noise, which is
> > entirely expected.
> >
> > So just want to clarify that I'm not describing any distortion products
> at
> > all. Just aging hearing mostly hi hi..
> >
> > 73,
> > LS
> > W5QD
> >
> >
> >
> > --
> > View this message in context:
> http://elecraft.365791.n2.nabble.com/K3S-audio-board-for-K3-upgrade-tp7615346p7615423.html
> > Sent from the Elecraft mailing list archive at Nabble.com.
> > __
> > Elecraft mailing list
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> >
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> > Message delivered to k2vco@gmail.com
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Re: [Elecraft] Contest Settings

[Barry N1EU]

Hardware AGC is ALWAYS on.  It simply protects the ADC from dynamic range
overload and doesn't come into play until signals are s9++.

73, Barry N1EU

On Mon, Mar 21, 2016 at 8:34 AM, Ed Muns <e...@w0yk.com> wrote:

> Wayne, is hardware AGC still "on" when (software) AGC is set to "off"?
>
> 73,
> Ed W0YK
> On Mar 21, 2016 00:23, Wayne Burdick <n...@elecraft.com> 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 <d...@nk7z.net> 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 <a4...@sy-edm.com> 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
> > >>> __
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> > >> __
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Re: [Elecraft] K3S audio board for K3 upgrade?

[Barry N1EU]

On Mon, Mar 21, 2016 at 1:28 PM, lstavenhagen <lstavenha...@hotmail.com>
wrote:

>  I stand by "shrill and fatiguing", :), but I concede that's just a
> personal judgment based on
> my particular hearing.



My point was that free tools are readily available to all of us to conduct
a quick investigation into exactly what the sound differences are and to
tailor the sound of a K3/K3s to our liking.  There's absolutely no reason
to continue to use a radio that is "shrill and fatiguing."  By all means,
investigate it, adjust it and FIX it.

73, Barry N1EU
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Re: [Elecraft] K3S audio board for K3 upgrade?

[N1EU]

lstavenhagen wrote
> I dunno, the K3S audio actually isn't much better to my ears. Yes, it's a
> little better on my K3S compared to my K3, but still kind of shrill and
> fatiguing to listen to for long periods of time. 

In this day and age, with PC soundcards and excellent freeware audio
spectrum analysis software (like Visual Analyser), I wouldn't settle for
subjective opinions like "shrill and fatiguing."  Feed whatever audio output
you're listening to into your soundcard and run a passband plot of your
favored radio against the K3s and TELL US why you don't like the K3s sound. 
And then "fix it" (i.e., your preferred sound) with the filter and EQ
controls.  I'm assuming, of course, that you're listening through the same
speakers or headphones on both radios.

Folks, this ain't rocket science or magic.

73, Barry N1EU




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Re: [Elecraft] Icom 7300 is available

[Barry N1EU]

Yes, and a Flex 6700's ADC evidently didn't crumble in the big signal
jungle on topband and garnered #1 USA (assisted/unlimited) in the recent CQ
WW 160M CW contest.

73, Barry N1EU

On Wed, Mar 2, 2016 at 5:56 PM, dave <ho13d...@gmail.com> wrote:

>
> The observation I would make on this is that the poor performing Icoms
> were good enough to capture all 3 of the top positions in the recent WRTC.
> IIRC there was one Elecraft and 5 Icoms used by the top 3 teams.
>
> I don't want to read too much into that, op skills play heavily in the
> results. And luck plays a role as well. But nonetheless, even though the
> 'numbers' of the Icoms are not all that good, they appear to be 'good
> enough'.
>
> They do have too much TX noise. But then nearly all rigs have too much TX
> noise.
>
> My view is that the top-of-the-line rigs are serious overkill for nearly
> all hams.
>
> Even the lowly FT-857, which is no ones idea of a 'contest rig', did
> surprisingly well in the hands of two very good ops. This was back in the
> WRTC in 2010. Their pair of K3's were wiped out by lightning. They lost an
> hour of op time while swapping rigs but still finished about 35th out of
> 50. At the end of that lost hour they were dead last, but then climbed back
> up the list. So I think the evidence indicates that even under the
> demanding condx of a contest a lot of rigs are good enough to be
> competitive. Guys should spend less on rigs and more on antennas. Or maybe
> spend that extra $$$ on beer and women . . .
>
> 73 de dave
>
>
>
> On 3/2/16 11:09 AM, Joe Subich, W4TV wrote:
>
>>
>> On 3/2/2016 11:49 AM, lstavenhagen wrote:
>>
>>> I don't doubt at all that Icom's high end rigs are good rigs with
>>> good performance, but the K3 and K3S at the core of the Elecraft
>>> investment still far outperform them for less money. For me anyway,
>>> Icoms offer nothing comparable to the K line at the upper end of the
>>> $ range, not even close.
>>>
>>
>> If you look at test data from both Sherwood and ARRL, I don't believe
>> you can consider any of the Icom rigs (ProIII, 7600, 7700, 7800) to
>> be "high performance" (I'm holding judgement until I see test data
>> on the 7851).  In all cases, phase noise and 2 KHz IMDDR3 are barely
>> adequate with 2 KHz IMDDR3 between 70 and 80 dB and phase noise in
>> the 125 - 130 dBc/Hz range 10 KHz from carrier.
>>
>> Those numbers put Icom's top of the line rigs behind well known "High
>> performance" rigs like the Flex-1500 and Yaesu FTdx3000!
>>
>> 73,
>>
>>... Joe, W4TV
>>
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Re: [Elecraft] Icom 7300 is available

[Barry N1EU]

My experience with direct sampling radios (ANAN-100D & Flex 6500 in the
shack alongside my K3s/P3) is that their front ends are plenty robust
enough for contesting and low band dx'ing.  N5AC made some interesting
comments on the topic:
https://community.flexradio.com/flexradio/topics/adc-overload-myths-debunked

73, Barry N1EU


Message: 23
Date: Tue, 1 Mar 2016 12:08:00 -0800
From: Wayne Burdick <n...@elecraft.com>
To: Barry LaZar <k3...@comcast.net>
Cc: Bill <w2...@nycap.rr.com>, elecraft@mailman.qth.net
Subject: Re: [Elecraft] Icom 7300 is available
Message-ID: <f0f1f987-44a7-4a0c-9619-159bf8670...@elecraft.com>
Content-Type: text/plain; charset=us-ascii


Since the 7300 uses direct sampling, it will have the same blocking dynamic
range (BDR) problem as other radios in this class, especially multi-signal
situations such as contesting. I also doubt it will beat the KX3 in
close-spaced dynamic range, unless they used a very exotic, very expensive
A-to-D converter. (Note that the only way the Flex 6700 series can achieve
good close-in dynamic range is by turning on the preamp. This overcomes the
very poor preamp-off MDS, but at an even greater cost in BDR.)
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[Elecraft] P3 TX MON question

[Barry N1EU]

Is the P3 TX MON usable with other radios besides the K3/K3s?  If so, how
does the monitor get triggered - does it automatically sense RF and switch
to TX MON?  Are there any P3 menu settings that need to be made to allow
this to work?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] Slightly OT: non-resonant wires

[Barry N1EU]

I think the only important measurement is that it avoids being near a half
wavelength on any bands.  Are there really "magic" lengths to be used with
9:1 xfmr into a tuner?  I'm skeptical.

73, Barry N1EU

On Tue, Feb 9, 2016 at 1:50 PM, Lynn W. Taylor, WB6UUT <
k...@coldrockshotbrooms.com> wrote:

> Only a bit off-topic, since I have a KX3 w/tuner and a 9:1 balun to go
> with it.
>
> I know how to trim a resonant antenna to the correct final length. I also
> understand why truly "random" wires don't necessarily work.
>
> The recent post about shipboard operations near Antarctica said they're
> using a 53' wire.
>
> How do you guys measure an antenna like this?  I assume it can be a few
> inches off, but
>
> 73 -- Lynn
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Re: [Elecraft] Slightly OT: non-resonant wires

[Barry N1EU]

A 53ft end-fed wire has a radiation pattern that varies all over the map as
you go up in frequency above 10MHz.

For 40-10M, I much prefer a 44ft center-fed doublet which has a broadside
pattern on all bands.

Barry N1EU

On Tue, Feb 9, 2016 at 2:38 PM, Lynn W. Taylor, WB6UUT <
k...@coldrockshotbrooms.com> wrote:

> I don't believe there are magic lengths.
>
> There are however lengths that are decidely non-magical, and if you want
> something that works on 40, 30, 20, 17, 15, 12 and 10, there are many
> lengths that are non-magical.
>
> That's why I did not ask "what is a good length?"  There is a pretty good
> reference here: http://udel.edu/~mm/ham/randomWire/
>
> Short of buying a 100 foot tape (or a longer one), what methods do people
> use to reasonably accurately measure 53 feet (or 72 feet, or 136 feet)?
>
> Thanks -- Lynn
>
>
> On 2/9/2016 11:06 AM, Barry N1EU wrote:
>
>> I think the only important measurement is that it avoids being near a half
>> wavelength on any bands.  Are there really "magic" lengths to be used with
>> 9:1 xfmr into a tuner?  I'm skeptical.
>>
>> 73, Barry N1EU
>>
>> On Tue, Feb 9, 2016 at 1:50 PM, Lynn W. Taylor, WB6UUT <
>> k...@coldrockshotbrooms.com> wrote:
>>
>> Only a bit off-topic, since I have a KX3 w/tuner and a 9:1 balun to go
>>> with it.
>>>
>>> I know how to trim a resonant antenna to the correct final length. I also
>>> understand why truly "random" wires don't necessarily work.
>>>
>>> The recent post about shipboard operations near Antarctica said they're
>>> using a 53' wire.
>>>
>>> How do you guys measure an antenna like this?  I assume it can be a few
>>> inches off, but
>>>
>>> 73 -- Lynn
>>>
>>>
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Re: [Elecraft] Competition from ICOM?

[Barry N1EU]

I've been closely following the IC-7300 news because I'm a big fan of
direct sampling receivers.  It's still too early to tell how well Icom will
pull it off.  I really don't see it as being K3s competition, a more apt
comparison being TS-590 and FT-1200.  Icom has been quite clear that
this will be an entry level radio only.

I suspect that compared to the K3s, the IC-7300 will fall short in terms of
dynamic range, QSK, etc.

73, Barry N1EU

On Tue, Feb 9, 2016 at 10:16 AM, Bill <w2...@nycap.rr.com> wrote:

> Icom is about to release their IC-7300 with rx from .03 to 74.8 mHz, with
> a live display, auto tuner, 100 Watts, 15 included bandpass filters, and a
> direct sampling receiver. All this for under $1500 street. I wonder how it
> will compare to the K3 in performance.
>
> I am not looking to get an argument going on this - just stating what is
> out there on the horizon. Who knows, it could turnout to be hangar queen or
> a frequent flyer on UPS. That said, it sure looks like a lot of rig for the
> buck.
>
> Bill W2BLC K-Line
>
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Re: [Elecraft] APF (audio peaking filter) on the K3/K3S/KX3

[Barry N1EU]

The receiver has to be tuned precisely to the signal in question for APF to
work.

73, Barry N1EU

On Fri, Feb 5, 2016 at 9:53 AM, David Kuechenmeister <n...@bellsouth.net>
wrote:

> I tried this the other day with no success. That is, the weak signal that
> was barely detectable, became so buried in ringing that I couldn't detect
> it at all. I think I followed the procedure outlined in Wayne's email
> below...
> Noise was around S5 on 40m and the K3 was configured with APF active. I
> had my 500 Hz filter selected and varied the DSP WIDTH from 500 to 300
> without substantial improvement. FINE tuning selected.
> What am I forgetting?
> vy 73,Dave N4KD
>
> On Tuesday, February 2, 2016 9:36 AM, Wayne Burdick <n...@elecraft.com>
> wrote:
>
>
>  Hi all,
>
> This morning I was hearing lots of very weak signals in the 40-meter CW
> band, right at today's noise floor of about S-5. (Among others, I copied
> BG4GOV in Shanghai.)
>
> Many of the signals were not copyable until I turned on APF (audio peaking
> filter). This filter's center peak is very narrow (around 30 Hz), but the
> response broadens out quickly below the 3-dB points in the curve. This
> brings up the desired signal without allowing noise to cause
> ringing--something often heard with narrow filters of the "brick-wall"
> variety. On a noisy band, the effect is just short of magic.
>
> APF is very narrow, so you'll need to tune in 1-Hz increments when it is
> turned on. Also, APF works best when used with a DSP/crystal filter WIDTH
> setting of 300-500 Hz.
>
> Use of APF differs for the three transceivers.
>
> KX3: 1-Hz tuning is selected automatically on the when the APF switch is
> pressed.
>
> K3/K3S: APF is accessed via a hold of the XFIL switch. This function is
> labeled "APF" on a K3S, or "DUAL PB" on the K3). Use CONFIG:DUAL PB to make
> sure the selected filter function is APF. See the K3/K3S owner's manual for
> a description of the alternate setting. 1-Hz tuning can be selected by
> tapping FINE.
>
> You might want to give APF a try if you haven't already.
>
> 73,
> Wayne
> N6KR
>
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Re: [Elecraft] APF (audio peaking filter) on the K3/K3S/KX3

[Barry N1EU]

I suspect that when the K3 APF was first engineered, the Yaesu FT-1000D APF
(original hi-Q version) was used as the model because many prominent
dx'ers/topbanders always raved about it.

73, Barry N1EU

On Fri, Feb 5, 2016 at 12:37 PM, Scott via Elecraft <
elecraft@mailman.qth.net> wrote:

>
> In the last month of listening to really weak signals here in 9 land  I've
> found it helpful but not radical.
>
> Just for fun I tried tuning some of the same VP8SGI signals on a Drake
> 2B/2BQ and found adding the 2BQ in the mix more user friendly and making a
> bigger difference, but hey, the 2B was starting from a worse spot.
>
> Still it would be nice if the APF was user adjustable like the 2BQ or  the
> old outbaord audio filters, peak magnitude, and maybe even frequency,
> within
>  a selected passband.
>
> Not sure why Wayne picked only 3 db - I'd like it to be user adustable to
> try a bit more peak if conditions permit.
>
> If APF is user adjustable in that way and I missed it somebody please
> point out the page numberor if the experiment's been done and it's not
> workable would like to know that too.
>
> 73 Scott ka9p
>
>
>
> In a message dated 2/5/2016 11:08:53 A.M. Central Standard Time,
> ho13d...@gmail.com writes:
>
>
> >  one must also discover the
> > artful use of the RF Gain control as  well
>
> Adjustment of the RF gain control is not mentioned in Wayne's note  on
> using APF.
>
> When I tried it here, the RF gain might have made  some small
> difference but it still did not allow un-copyable signals to be
> copied. When testing APF I have made all adjustments the I thought
> might affect signal quality. IIRC correctly I also tinkered with the
> AGC parameters. But the APF never produced results any better than
> simply narrowing the filters. Usually the regular narrow filters
> worked better. I know I had not switched APF on for months. I did
> switch it on to recheck before sending my note. But the noise is not
> currently high enough to give it a good test.
>
> I have found, in  general, that careful adjustment of the RF gain
> control can be useful.  This applies to all receivers I have tried it on.
>
> I'm wondering if the  difference is in the type of noise. I have mostly
> tried APF at times of  high lightning activity. I think we in the SE
> get more of that than other  parts of the country. The higher noise
> level means more weak signals. You  need all the help you can get. But
> that noise differs from the usual band  noise.
>
> And it may depend on each individual's hearing.
>
> I have  always puzzled over why some rave about how great APF is while
> for myself,  and obviously others, it is of no help at all.
>
> 73 de  dave
> ab9ca/4
>
>
>
> On 2/5/16 10:13 AM, Bob McGraw K4TAX  wrote:
> > While I find the APF works really nice, one must also discover  the
> > artful use of the RF Gain control as well.   Most hams  seem to use
> > excessive RF Gain which will force noise through the  filter and all of
> > those undesirable artifacts will be heard.  If  in doubt, reduce the RF
> > Gain.
> >
> > Using this technique, I  can tune the band with the APF engaged,
> > adjusting the RF Gain a bit,  and actually hear signals with this
> > configuration which without the  APC no signal could be heard.  I view
> > this gives one the ability  to actually "dig signals out of the noise".
> >
> > 73
> > Bob,  K4TAX
> >
> > On 2/5/2016 9:56 AM, dave wrote:
> >>
> >>  I'd agree. My experience with APF is that it will indeed pop a
> >>  signal that is already copyable, if a bit weak, out of the noise.
> >>  Makes for easier copy. However the ringing is so bad on a really
> >>  weak signal that it is of no help. I guess it depends on what you
> >>  view as 'weak' and your noise level. I was hoping it would make
> >>  previously un-copyable signals copyable, but that does not happen.
> >>  Instead it improves the copyability of weak but already copyable
> >>  signals.
> >>
> >> I find that simply narrowing the filters to  50, 100, or 150 Hz will
> >> give essentially identical results as  using the APF and is much
> >> easier to do.
> >>
> >> As  for the super critical tuning, I do not find it to be all that
> >>  critical. The signal can be improved somewhat by going to the  'fine'
> >> tuning, but it makes only a small difference. 10 Hz steps  are OK and
> >> much quicker. The APF has a BW of about 30 Hz so tuning  cannot be
> >> all that critical. +/- 5 Hz out of 30 is not that big of  a deal.
> >>
> >> This

Re: [Elecraft] Feature Request: Implement AN$ command for subrx antenna selection

[Barry N1EU]

That would be an excellent solution!

73, Barry N1EU

On Thu, Feb 4, 2016 at 5:01 AM, Joe Subich, W4TV <li...@subich.com> wrote:

>
> That would be inconsistent with the use of AN which selects between
> transmit antennas in K3/K3S equipped with a KANT3/KANT3A tuner.
>
> The appropriate solution would be an entirely new command (RXA/RXA$)
> where RXA0; set the Main RX to Main antenna, RX1; set the Main RX to
> the RX Antenna, RXA$0; set the Sub RX to use the currently selected
> Main RX antenna and RXA$1; set the Sub RX to use either Aux or the
> *unused* (non-transmit) port on the KANT3.
>
> In other words, 0 = RX Ant OFF, 1 = RX Ant on based on the user's
> hardware configuration.
>
> 73,
>
>   ... Joe, W4TV
>
>
>
> On 2/3/2016 7:25 AM, Barry N1EU wrote:
>
>> This is a straightforward feature request:  implement the $ version of the
>> AN command so that AN$1; sets subreceiver to Main Ant and AN$2; sets
>> subreceiver to AUX
>>
>> 73, Barry N1EU
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Re: [Elecraft] Macro Library Repository and K3/K3S/KX3 Utility Programs

[Barry N1EU]

Since macros are only text files, I personally have no need of fancy
functionality in a library or utility.  The current Elecraft K3 utility
works beautifully.

So for me, a simple Web site (or shared Google doc) listing macro examples
is all the functionality that I think is needed.

73, Barry N1EU

On Thu, Feb 4, 2016 at 12:17 PM, Phil Hystad <phys...@mac.com> wrote:

> The recent comments regarding Wayne’s new Noise Blanker experiment
> reminded me of something I wanted to suggest awhile back but forgot all
> about it.
>
> This has to do with Macros and command sequences used to program or alter
> some specific setting in a temporary (maybe) way.  Many of these are posted
> here as well as found on some web sites including Elecraft.
>
> But, there is something missing that would be nice.  And, that is a
> documented library hosted on Elecraft’s web site as well as a utility
> program feature to automatically download and manage the macro programs.
>
> As a library, the documentation should be embedded in the Macro file
> itself per a standard format that declares the purpose (brief abstract),
> more detailed user instructions, and any known side effects.  Also,
> author’s name and date and maybe a revision history.
>
> The utility programs would include a new feature to download (maybe
> abstracts or complete macro file) and list available macro programs
> displaying the brief abstract on the display.  The utility program would
> allow the user to select macros for download that copy them to a known
> location on the user’s computer managed by the utility program.  Also, this
> new feature set would support the loading of the macro to the K3/K3S/KX3.
> Actually, a very nice “extra” would be to undo the macro act.  Of course,
> this could get complicated since a Macro can do anything and many things
> that should not be done.  But, one way to undo is to automatically save and
> then allow restoration of the rig settings, say in some kind of test mode.
> Of course, this could be done by the user but it might be faster to do it
> as part of a test sequence supported by the utility program.
>
> It seems like the only complicate part of this process is setting up a
> repository and managing it in a way that ensures the integrity of the
> standards: documentation, layout, and anything else.  The enhancements to
> the utility programs do not seem to be all that hard to do (I am a retired
> programmer of about 50 years programming experience).
>
> There could be a network of volunteers that accept the new macros to be
> included and they test and vet those macros per the definition of purpose
> and the standards set forth for this repository.
>
> 73, phil, K7PEH
>
>
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[Elecraft] Feature Request: Implement AN$ command for subrx antenna selection

[Barry N1EU]

This is a straightforward feature request:  implement the $ version of the
AN command so that AN$1; sets subreceiver to Main Ant and AN$2; sets
subreceiver to AUX

73, Barry N1EU
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Re: [Elecraft] P3 TX MON envelope display

[Barry N1EU]

Do you have a link to a youtube video showing a phone waveform?  The only
video I come up with is https://www.youtube.com/watch?v=CHugxEpj6bg with
NB3R showing only a cw waveform.  That's why I posted my question in the
first place, because I've never seen a phone waveform.

Barry N1EU

On Wed, Feb 3, 2016 at 9:54 PM, Tom Crayner <tcray...@gmail.com> wrote:

> Out on youtube if you search for "P3 TXMON" you'll find a couple of short
> (1 min video) of an operator showing a SSB and CW envelope on a P3 with the
> TXMON option installed.
>
> Tom, W2YF
>
>
> >>>
> >>> On 2/3/2016 8:26 AM, Barry N1EU wrote:
> >>>
> >>>> Can someone with the P3 TX MON please describe the envelope
> >>>> display in ssb/am modes?  Does it work like a real time
> >>>> oscilloscope (dynamic) with changing display as you speak or does
> >>>> it take static snapshots of the RF envelope?  If static, how
> >>>> often does it update those snapshots?
> >>>>
> >>>>
> >>>
> >> __
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Re: [Elecraft] P3 TX MON envelope display

[Barry N1EU]

Thanks Tom!  That's just what I was looking for.

73, Barry N1EU

On Wed, Feb 3, 2016 at 10:05 PM, Tom Crayner <tcray...@gmail.com> wrote:

> Sure. Try:
>
> https://www.youtube.com/watch?v=cx3ZeI3FlHk
>
> Tom, W2YF
>
>
> On Wed, Feb 3, 2016 at 5:01 PM, Barry N1EU <n1eu.ba...@gmail.com> wrote:
>
> > Do you have a link to a youtube video showing a phone waveform?  The only
> > video I come up with is https://www.youtube.com/watch?v=CHugxEpj6bg with
> > NB3R showing only a cw waveform.  That's why I posted my question in the
> > first place, because I've never seen a phone waveform.
> >
> > Barry N1EU
> >
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Re: [Elecraft] K3S Computer Audio Question with Sub RX installed

[Barry N1EU]

The audio is in stereo, main on left channel and sub on right channel.
Computer Soundcards are all stereo.  Why do you think it would be a problem
keeping the audio streams separate?

Barry N1EU

On Thu, Feb 4, 2016 at 12:25 AM, Jerry Moore <je...@carolinaheli.com> wrote:

> So how does the audio separate on the computer?
>
> Jerry Moore
> CDXA, INDEXA, SKCC, Fists
> AE4PB, K3S - S.N. 010324
> http://www.qrz.com/db/AE4PB
> An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
> Patriotic.
>
> -Original Message-
> From: Jack Brindle [mailto:jackbrin...@me.com]
> Sent: Wednesday, February 03, 2016 7:18 PM
> To: Jerry Moore
> Cc: elecraft
> Subject: Re: [Elecraft] K3S Computer Audio Question with Sub RX installed
>
> Yes. You will then have to separate receivers in the K3, each with its own
> antenna. They can go to any band they wish, independently. The only
> limitation is the need for separate antennas.
>
> As an example, I have been monitoring VP8SGI on both 20 and 17meters
> simultaneously. 20m in my left ear, 17m in the right. It is an exercise
> left up to the user to figure out how to separate the two in your head…
>
> It works quite well.
>
> 73,
>
> Jack Brindle, W6FB
>
> > On Feb 3, 2016, at 4:08 PM, Jerry Moore <je...@carolinaheli.com> wrote:
> >
> > When I get the SubRx will it be possible to monitor two different
> > frequencies/bands AND have the audio separate on the computer? I'd
> > like to be able to monitor two different bands for digital traffic.
> >
> > I just can't imagine how that will work. I'm pretty sure I can listen
> > to different antennas (diversity mode) but not sure about different
> bands.
> >
> >
> >
> > Thanks in advance.
> >
> >
> >
> > Jerry Moore
> >
> > CDXA, INDEXA, SKCC, Fists
> >
> > AE4PB, K3S - S.N. 010324
> >
> > http://www.qrz.com/db/AE4PB
> >
> > An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced,
> > and Patriotic.
> >
> >
> >
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> > jackbrin...@me.com
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[Elecraft] P3 TX MON envelope display

[Barry N1EU]

Can someone with the P3 TX MON please describe the envelope display in
ssb/am modes?  Does it work like a real time oscilloscope (dynamic) with
changing display as you speak or does it take static snapshots of the RF
envelope?  If static, how often does it update those snapshots?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] RESOLVED: K3S Speaker sound question

[Barry N1EU]

I think you spoke to Howard, not Harold  ;-)

73, Barry N1EU

On Tue, Feb 2, 2016 at 1:15 PM, Jerry Moore <je...@carolinaheli.com> wrote:

> Problem: Speaker distortion/buzzing
>
> Solution: Something is loose inside the radio.
>
>
>
> Background:
>
> I purchased my K3S as a kit and assembled per the manual. I was especially
> careful to not bend or damage the speaker.
>
> Normally I listen on my headset and don’t use the speaker.
>
> While attending Morse Academy we noticed distortion and buzzing on my CW
> monitor audio (I have the monitor turned up so that my class
> mates/Instructor can hear me).
>
>
>
> I called into Elecraft and spoke with Harold in Support. In about 15
> seconds we isolated the issue down to something loose inside the radio.
>
> Removing the cover and holding it my had results in no distortion or
> buzzing.
>
> Installing the cover and putting pressure on the back third of the cover
> (over the PA) squelches the noise.
>
>
>
> YAY!! Now to find out what’s loose..
>
>
>
> Elecraft never ceases to exceed my expectations, I’m a very happy Ham.
>
>
>
>
>
> Jerry Moore
>
> CDXA, INDEXA, SKCC, Fists
>
> AE4PB, K3S - S.N. 010324
>
> http://www.qrz.com/db/AE4PB
>
> An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
> Patriotic.
>
>
>
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[Elecraft] K3 macro for Subrx antenna?

[Barry N1EU]

Does anyone know a way to program a K3 macro to set the Subreceiver antenna
selectively to Main or Aux?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] ESSB and the 6 kHz Filter

[Barry N1EU]

On Fri, Jan 29, 2016 at 8:40 PM, Bob McGraw K4TAX <rmcg...@blomand.net>
wrote:

>
> Receive BW on AM will go to 5.0 kHz and on SSB 4.0 kHz.
>

Unlike AM, receive bandwidth will never go to 4KHz in ssb.  For some
unknown reason, the receive bandwdith in ssb is restricted to about
3300Hz.  My weekend project proving this point is visible at
http://k3s.wikidot.com

73, Barry N1EU










>
> 73
> Bob, K4TAX
>
> On 1/29/2016 7:07 PM, David Ahrendts wrote:
>
>> Am I correct that you do not achieve 4.0 kHz ESSB (widest TX with the
>> K3S) without selecting the 6.0 kHz crystal filter for SSB TX? Just want
>> your affirmation. :—)
>>
>> David A. KK6DA, LA
>>
>>
>>
>> David Ahrendts   davidahren...@me.com
>>
>>
>>
>>
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Re: [Elecraft] K3 macro for Subrx antenna?

[Barry N1EU]

Thanks Dick but a switch toggle won't work - the result is indeterminate
unless there's a way to reset to a known value first.  Is there a key
sequence that will place the subreceiver antenna selection in a known state?

Barry N1EU

On Tue, Feb 2, 2016 at 1:34 AM, RIchard Williams <richarddw1...@yahoo.com>
wrote:

> Barry,
>
> Yes, there is a command that will do exact what you want.   If you take a
> look at the Programmer's  Reference (which you can download on the Elecraft
> site), you will find the command on page 23 in Table 7.  The command is
> SWT25;
>
> Keep in mind this is a "toggle" command.  The command will toggle the Sub
> RX Ant on and off (just like tapping the RS ANT button on the K3).  You
> will probably want to use this command in combination with other commands
> to make up a macro for whatever you are trying to accomplish.
>
> Dick, K8ZTT
>
>
>
> --
> *From:* Barry N1EU <n1eu.ba...@gmail.com>
> *To:* elecraft <elecraft@mailman.qth.net>
> *Sent:* Monday, February 1, 2016 6:02 PM
> *Subject:* [Elecraft] K3 macro for Subrx antenna?
>
> Does anyone know a way to program a K3 macro to set the Subreceiver antenna
> selectively to Main or Aux?
>
> Thanks & 73,
> Barry N1EU
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[Elecraft] Lack of low freq response K3 ssb rx audio

[Barry N1EU]

I made some spectrum curves of the 4KHz BW rx passband with FC of 1.00,
1.50 and 2.00 to illustrate what I'm talking about.  This list bounces
image attachments so if you're interested, please look at them here:
http://k3s.wikidot.com/

The posted curves have been verified on another K3 and RX EQ is flat.

My original question was:  Why does the audio passband dramatically roll
off in the lower frequencies as my Shift/FC goes above 1.40Khz?

I think the spectrum curves partly answer the question.  They reveal a  a
maximum passband width of 3300Hz (-3dB points) in SSB even though BW is
4000Hz,  within a 6KHz wide roofing filter.  I don't understand the
discrepancy between selected bandwidth and what the K3/K3s is providing.

For comparison, a passband curve in AM mode is also shown and it reveals
extended flat response from below 50hz to almost 4000Hz.

73, Barry N1EU


>
> On 1/31/2016 9:02 AM, Barry N1EU wrote:
>
> I'm pulling my hair out on this one, but let me keep it real simple.  This
> is on a K3s and all hardware/firmware is latest/greatest.
>
> Filter: 6KHz
> Mode: USB
> BW: 4.00KHz
>
> My question is this:
>
> *Why does the audio passband dramatically roll off in the lower frequencies
> as my Shift/FC goes above 1.40Khz?  *
>
>
> I would think that there wouldn't be any bass rolloff until FC was above
> 2.0KHz (i.e., half of 4KHz BW).  Instead, what I'm observing is:
> - with FC of 1.6KHz, I see  -8dB at 100Hz
> - with FC of 1.8KHz, I see -15dB at 100Hz
>
> I'm using Line Out to soundcard and Visual Analyser 2014 software.  It
> mirrors what I hear in my headphones.
>
> 73, Barry N1EU
> __
>
>
>
>
>
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[Elecraft] Lack of low freq response K3 ssb rx audio

[Barry N1EU]

I'm pulling my hair out on this one, but let me keep it real simple.  This
is on a K3s and all hardware/firmware is latest/greatest.

Filter: 6KHz
Mode: USB
BW: 4.00KHz

My question is this:

*Why does the audio passband dramatically roll off in the lower frequencies
as my Shift/FC goes above 1.40Khz?  *


I would think that there wouldn't be any bass rolloff until FC was above
2.0KHz (i.e., half of 4KHz BW).  Instead, what I'm observing is:
- with FC of 1.6KHz, I see  -8dB at 100Hz
- with FC of 1.8KHz, I see -15dB at 100Hz

I'm using Line Out to soundcard and Visual Analyser 2014 software.  It
mirrors what I hear in my headphones.

73, Barry N1EU
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Re: [Elecraft] Need a second set of eyes... WAS: Re: Price Increase Alert for Feb 4th.

[Barry N1EU]

I question the need for both cw filters.  These are just roofing filters,
to attenuate s9+ signals and not overload the ADC -  almost all the
filtering function is done by DSP.  In fact, unless you operate on crowded
bands with big signals, you don't need a narrow roofing filter.  If unsure,
just get the wider cw filter.

Barry N1EU

On Thu, Jan 28, 2016 at 2:04 PM, Clay Autery <caut...@montac.com> wrote:

> OK...  so I don't have time to complete my stack of cash for my K-Line
> order...  I've paired it back.  Anyone interested in offering me a
> second pair of eyes to see if I am making any glaring mistakes in
> spec'ing out my reduced order?
>
> Here's a link to a screen shot of my shopping cart:
>
> *http://www.montac.com/pics/Elecraft_Draft_Order.jpg
> *
> Here's the Executive summary:
> K3S/100K  Transceiver with 100 Watt amp module
> KRX3A-K  Secondary Receiver
> KAT3A-K  Internal Antenna tuner
> MH-2  Hand Mic
> SS30DV  Power Supply
>
> And here's the filters I am going to end up with:
> FL1 - Reserved for FM/Reserved for FM
> FL2 - KFL3A-6K/KFL3A-6K  (AM/eSSB)
> FL3 - KFL3A-2.8_2.7sw/KFL3A-2.8_2.7sw  (trade-up to 2.8kHz/8-pole on
> both receivers)
> FL4 - KFL3A-400/KFL3A-400  (CW... yes, this "no-code" is diligently
> working to achieve 25wpm before the end of summer)
> FL5 - KFL3A-250/KFL3A-250 (CW)
>
> Lot's of other stuff I'd LIKE to have, but just can't do it.  Anyone
> think I should do anything different?  I'm kind of capped right around
> this total.
>
> Thanks
>
> __
> Clay Autery
> MONTAC Enterprises
> (318) 518-1389
>
> On 1/27/2016 5:02 PM, Eric Swartz - WA6HHQ, Elecraft wrote:
> > Early alert for our Elecraft list readers:
> >
> > We're finally implementing the planned price changes that we first
> > mentioned late last year. We ended up delaying that change due to both
> > the large holiday season order rush and several ham shows, both of
> > which always generate a lot of sales sales activity and keep our sales
> > team very busy.
> >
> > As noted before, our costs are going up as our vendors increase their
> > prices to us and our labor costs also increase. (Its a never ending
> > battle to keep costs down as economic activity has picked up the last
> > two years.) We've been absorbing all of these increases, but now we
> > have hit the point where we  must increase prices slightly on a number
> > of our products.
> >
> > The prices will change on next Thursday, Feb. 4th.  Our on-line order
> > forms will update with the new pricing at that time.
> >
> > Please resist the urge to call or email our sales / support people
> > about which specific products will be changing or how much the changes
> > will be, as they do not have this information. (We're still in the
> > middle getting everything entered.)
> >
> > Of course, all orders received -prior- to the Feb 4th increase will be
> > charged at the lower pre-increase pricing when they ship.
> >
> > 73,
> > Eric
> > /elecraft.com/
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Re: [Elecraft] Linking VFO s

[Barry N1EU]

CONFIG: VFO LNK

73, Barry N1EU

On Mon, Jan 25, 2016 at 11:10 AM, Paul VanOveren <pauln...@gmail.com> wrote:

> I can not link the VFOS, an instantaneous push turns on the SUB receiver
> ok, but anything longer that an instantaneous push, indicates DIVERSITY on
> the B display. There is no inbetween, where it would show Link or Unlink.
> Is there some menu setting I am missing?
>
>
>
> Paul, NF8J
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Re: [Elecraft] Soldering station recommendation in preparation forbuilding a K1

[Barry N1EU]

I've got the digital readout WESD51, very pleased, and good assortment of
tips available.

Barry N1EU

On Sun, Jan 24, 2016 at 5:13 AM, AB2E Darrell <a...@hotmail.com> wrote:

> Ditto here on the WES51 solder station, very well-built and reliable.
> 73 Darrell AB2E
>
> 
> From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of Phil
> Wheeler <w...@socal.rr.com>
> Sent: Saturday, January 23, 2016 11:47 PM
> To: Elecraft Reflector
> Subject: Re: [Elecraft] Soldering station recommendation in preparation
> forbuilding a K1
>
> Here a WES51, too. An excellent choice.
>
> Phil W7OX
>
> On 1/23/16 8:01 PM, Tom wrote:
> >
> > Hi I use a Weller WES51.  You can get it and all
> > accessories at digikey
> > 73 Tom
> > va2fsq.com
> >
> >
> > -Original Message- From: Mark Petrovic
> > Sent: Saturday, January 23, 2016 10:11 PM
> > To: elecr...@qth.net
> > Subject: [Elecraft] Soldering station
> > recommendation in preparation forbuilding a K1
> >
> > Hi.  I am preparing to build the Elecraft K1,
> > and am seeking a
> > recommendation for a temperature controlled
> > soldering station
> > mentioned in the K1 assembly guide.
> >
> > Any suggestions?
> >
> > Thank you.
> >
>
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Re: [Elecraft] AGC Settings

[Barry N1EU]

Agree with Don't comments.  If signals are blowing your ears off, you need
one of the following:

lower AF Gain
lower AGC Threshold
higher AGC Slope  (higher SLP value is actually flatter curve which
technically is a lower slope)

I encourage everyone to learn and understand how to set up their
manual/auto gain settings, and not just willy nilly copy other people's
settings.

73, Barry N1EU

On Sat, Jan 23, 2016 at 4:19 PM, Don Wilhelm <w3...@embarqmail.com> wrote:

> Donald,
>
> The AGC settings, particularly the slope and the threshold are best set to
> your individual preferences.  There is no setting that is perfect for
> everyone - that is why Elecraft allows the parameters to be varied instead
> of providing one setting for everyone.
>
> For guidance on how to evaluate the results of any changes, take a look at
> my webpage www.w3fpr.com article on "Noisy K3".
> The key is that you cannot make a good evaluation by listening only to a
> signal, you must listen for the effects in gaps between the words of a
> signal.
>
> 73,
> Don W3FPR
>
> On 1/23/2016 11:01 AM, Donald Schliesser wrote:
>
>> After installing the new Synth board in my K3 all is well except I notice
>> that on strong CW signals the AGC is not keeping that signal from blowing
>> my ears off when listening to a DX pileup.
>>
>> I am mostly a DX CW operator, and my present AGC settings are:
>>
>> AGC HLD = 0.30
>> AGC PLS = NOR
>> AGC SLP = 002
>> AGC THR = 008
>> AGC-F = 120
>> AGC-S = 020
>> AGC DCY = SOFT
>>
>> Can't remember where I got those settings but was from some post or blurb
>> somewhere.
>>
>> Thanks for any suggestions, Donald K6RV
>>
>>
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Re: [Elecraft] Genovation Keypad on teh K3/P3, solved

[Barry N1EU]

This is fantastic Dave and a groundbreaking development in rig
interfacing.  Have you, or do you intend to, physically label the keys?

I NEED one of these.

Thanks & 73,
Barry N1EU

On Fri, Jan 22, 2016 at 10:17 AM, David Cole <d...@nk7z.net> wrote:

> Hi Fred,
>
> I have no reason to believe it won't work with the KX3, or K3S either, I
> just don't have one of the new K3S rigs, so I can't test it...  Hence
> why I only talk about the K3.
>
> Now if Elecraft would just give me a K3S, I'd be happy to test it...  :)
>
> Please do feel free to include the links to the setup.  Here is the a
> direct link, which should never change.
>
> http://nk7z.net/adding-an-external-keypad-to-the-k3/
>
> I will be updating it often with new macros.  I already have most filled
> up...
>
> --
> Thanks and 73's,
> For equipment, and software setups and reviews see:
> www.nk7z.net
>
> For MixW support see;
> http://groups.yahoo.com/neo/groups/mixw/info
> For Dopplergram information see:
> http://groups.yahoo.com/neo/groups/dopplergram/info
> For MM-SSTV see:
> http://groups.yahoo.com/neo/groups/MM-SSTV/info
>
>
> On Fri, 2016-01-22 at 14:51 +, Cady, Fred wrote:
> > GREAT job Dave.  I'll bet this will work with the KX3/PX3 too.  I'd like
> to refer to it in the next editions of the K3S and KX3 books if that's OK
> with you.
> > 73,
> > Fred KE7X
> >
> >
> > 
> > From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of David
> Cole <d...@nk7z.net>
> > Sent: Thursday, January 21, 2016 7:38 PM
> > To: Elecraft@mailman.qth.net
> > Subject: [Elecraft] Genovation Keypad on teh K3/P3, solved
> >
> > Hello,
> > I now have a Genovation CP48USBHID keypad working on my P3/K3 feeding up
> > to 48 different macros to the K3 at a single button press.
> >
> > See:
> > http://nk7z.net/adding-an-external-keypad-to-the-k3/
> >
> > for the how to, and a download for the patch to the Genovation to allow
> > it to plug into the P3 and be recognized.
> > --
> > Thanks and 73's,
> > For equipment, and software setups and reviews see:
> > www.nk7z.net
> >
> > For MixW support see;
> > http://groups.yahoo.com/neo/groups/mixw/info
> > For Dopplergram information see:
> > http://groups.yahoo.com/neo/groups/dopplergram/info
> > For MM-SSTV see:
> > http://groups.yahoo.com/neo/groups/MM-SSTV/info
> >
> >
> >
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft@mailman.qth.net
> >
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> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to fc...@montana.edu
> >
>
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[Elecraft] Feature Suggestion - P3 option to function as bigger K3 display

[Barry N1EU]

I'm not sure if this has ever been suggested or discussed before.

Many of us have long loved the K3 but bemoaned its diminuitive display real
estate.  If this isn't true of you, please read no further.

Why not add an option to the P3 so that the user can use a section of the
P3 screen to display many useful K3 settings that are normally hidden from
view and would otherwise require at least one or two button presses to view
individually?

Here's a partial list of settings I'd dearly love to see displayed:

Subrx ANT

Subrx PRE

MIC

COMP

PWR

DELAY

MON

PITCH

BW

LO

HI

TX ESSB ON/OFF and BW

RX/TX EQ levels shown with better graphics



Perhaps flexibility could be provided for users to select their own group
of settings to be displayed, how much P3 screen real estate to devote (in
the case of SVGA users, perhaps they optionally devote the entire P3
screen).  Also, users could toggle it on/off and return back to classic P3
display as desired.


I was thinking that something like this plus NK7Z's Genovation macro
generator would turn the K3/K3S/P3 into my dream machine  ;-)


Thoughts?


73, Barry N1EU
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[Elecraft] Wanted: Inrad 250Hz 8-pole filter

[Barry N1EU]

If anybody has a spare Inrad 250Hz 8-pole filter for the K3, please email
me directly.

Thanks & 73,
Barry N1EU
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[Elecraft] P3 TX MON with AM?

[Barry N1EU]

Is anybody using the P3 TX MON to monitor modulation waveform with AM
transmission?  I'd appreciate comments on how effective a tool it is.

I've only seen one video on youtube of a cw xmsn, and it appeared that the
P3 captured a transmit waveform and displayed it (like a storage
oscilloscope).  I'm wondering how dynamic the xmit waveform display is in
cw, AM and SSB.

Thanks & 73,
Barry N1EU
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Re: [Elecraft] Controlled Envelope SSB

[Barry N1EU]

There was a discussion a while back on the Flex forum about their
implementation of CESSB in the 6000 series:
https://community.flexradio.com/flexradio/topics/cessb-questions

OpenHPSDR also implemented CESSB, about a year ago.


73, Barry N1EU

On Wed, Jan 13, 2016 at 11:36 AM, NC3Z Gary <n...@outlook.com> wrote:

> I would second the request to look into this if it truly improved SSB
> performance as noted in the articles.
>
>
> Gary Mitchelson
> NC3Z/4 Pamlico County, NC FM15
>
>
> On 13-Jan-16 11:09, Wayne Burdick wrote:
> > This may be possible, and we'll look into it when we get a chance.
> >
> > 73,
> > Wayne
> > N6KR
> >
> >
> > On Jan 13, 2016, at 3:07 AM, David Anderson <gm4...@yahoo.co.uk> wrote:
> >
> >> I am still interested to know if it would be possible for Elecraft to
> implement CESSB (which is freely available) within the KX3 DSP modulator...
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Re: [Elecraft] Elecraft website and Fios

[Barry N1EU]

It is NOT a routing issue.  Knut and I have identical tracert after
the first few hopes and I've never had an issue with connecting.

Barry N1EU

On Mon, Jan 4, 2016 at 11:53 PM, tomb18 <tom...@videotron.ca> wrote:
> I had the same thing in the past where I couldn't access Price Waterhouse 
> from work but I could from home.A trace route showed me the faulty router and 
> a call to the whois administrator lead me to someone who said he couldn't do 
> much.The next step was to the Canadian president of Price Waterhouse, and it 
> was fixed the next day.Surely all you guys can find the offending router, 
> especially since there are so many people with the problem.73 Tomva2fsq.com
>
>
> Sent from my Samsung Galaxy smartphone. Original message 
> From: Rick Miller - N1RM <n...@arrl.net> Date: 2016-01-04  11:45 PM  
> (GMT-05:00) To: elecraft@mailman.qth.net Subject: Re: [Elecraft] Elecraft 
> website and Fios
> Just a quick update - please don't yell at me...
>
> The problem persists here (Reston, VA).
>
> Further troubleshooting indicates that the problem is NOT at Elecraft.
>
> Verizon has now escalated this two levels to their engineering group - not
> sure what that means, but it sounds impressive.  I'll continue to ping them
> to ensure they don't close the ticket from perceived lack of interest.
>
> FWIW, they seem genuinely interested in solving this.  Some of the
> complaints about this thread indicate that a few people don't appreciate the
> fact that Verizon does not own or control much of the infrastructure between
> my house and Elecraft (that's the nature of the Internet).  I've dealt with
> other ISP's, in the past, who would make me prove that the problem is theirs
> (generally impossible for an end-user to do) before investigating it.
> That's why they are "in the past."
>
> Rick
> N1RM
>
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/Elecraft-website-and-Fios-tp7612185p7612302.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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Re: [Elecraft] Elecraft website now accessable through FIOS in NY

[Barry N1EU]

Yes, but who ever said it was a DNS issue?

On Mon, Jan 4, 2016 at 9:27 PM, Mark E. Musick 
wrote:

> Yes, it can take up to 48 hours to propagate.
>
>
> Mark, WB9CIF
>
> -Original Message-
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Matt
> Zilmer
> Sent: Monday, January 4, 2016 8:59 PM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Elecraft website now accessable through FIOS in NY
>
> DNS sometimes takes a while to propagate downstream.  The DNS server you're
> using is probably (er, may be) different from others in NY.
>
> 73,
> matt W6NIA
>
> On 1/4/2016 12:11 PM, ab2tc wrote:
> > Hi,
> >
> > Still dead here in Syracuse, NY. I did an "ipconfig /flushdns" command
> > as suggested by Eric Swartz in another thread. Symptoms are the same
> > as before, the browser (IE11) spins forever with the "Waiting for
> elecraft.com"
> > message. The FTP protocol works fine as before as do ping and traceroute.
> > The curl command also produces the same results as before.
> >
> > AB2TC - Knut
> >
> >
> > Fred, KC2QFR wrote
> >> Started working properly here on FIOS in Poughkeepsie NY during the
> >> past
> >> 30
> >> min.
> >>
> >> It looks like Rick, N1RM calling FIOS service did the trick.
> >>
> >> 73 de Fred, WY2E
> >> 
> >
> >
> >
> >
> > --
> > View this message in context:
> > http://elecraft.365791.n2.nabble.com/Elecraft-website-now-accessable-t
> > hrough-FIOS-in-NY-tp7612258p7612271.html
> > Sent from the Elecraft mailing list archive at Nabble.com.
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> >
> > This list hosted by: http://www.qsl.net Please help support this email
> > list: http://www.qsl.net/donate.html Message delivered to
> > mzil...@roadrunner.com
>
> --
> Always store beer in a dark place.  - R. Heinlein
>
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Re: [Elecraft] Elecraft.com - NET::ERR_CERT_COMMON_NAME_INVALID

[Barry N1EU]

Yes, it is not an issue of an expired certificate.  There IS no Elecraft
certificate, and when you try to force https, Elecraft's ISP host cruzio.com
provides a self-signed certificate on Elecraft's behalf and that is
generally interpreted as suspicious activity.  The "issued to" domain is
the ISP and should be elecraft.com and the "issued by" agency is the ISP
and needs to be a trusted issuing agency.

*This server could not prove that it is elecraft.com <http://elecraft.com>;
its security certificate is from host6.cruzio.com
<http://host6.cruzio.com>. This may be caused by a misconfiguration or an
attacker intercepting your connection.*

Barry N1EU


On Sat, Jan 2, 2016 at 10:46 AM, Oliver Dröse <dro...@necg.de> wrote:

> http://www.elecraft.com is not using any certificates (just checked),
> it's just plain http, not https (thus no need for certificates). It only
> switches to https when you are going to pay an order like in "Check Out
> Now". And even then it's not Elecraft anymore but cartserver.com which is
> providing the service and has a valid certificate.
>
> Otherwise I'd appreciate if you'd discuss issues with your internet
> provider in the appropriate forums. Everybody worldwide can access the
> Elecraft website fine just not a handful of Verizon FIOS customers. Now go
> figure where the fault is ...
>
> Thanks,
> Olli
>
> Contest, DX & radio projects: http://www.dh8bqa.de
>
>
> Am 02.01.2016 um 00:46 schrieb Byron Peebles:
>
>> The Elecraft site has an invalid certificate, so others having issues are
>> probably related to that.
>>
>> __
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Re: [Elecraft] 6 Khz filter question

[Barry N1EU]

There's a 4KHz low pass audio filter inline that will limit the rx audio
passband, even if the width control allowed you to go higher.

Barry N1EU

On Sat, Jan 2, 2016 at 9:32 PM, Mike Weir <ve3...@hotmail.com> wrote:

> Good afternoon all, I have for some time now had the 6 Khz filter
> installed in my K3. I was just recently on JT-65 in Data A mode and wanted
> to use the 6Khz filter. I was only able to open the width to 4 Khz using
> the width knob? I wanted to open it up to 6 khz so I could receive both
> JT65 and JT9 signals.
> Any ideas
> Mike VE3WDm
>
>
>
>
>
> This email has been sent from a virus-free computer
> protected by Avast. www.avast.com
>
>
>
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Re: [Elecraft] Elecraft.com - NET::ERR_CERT_COMMON_NAME_INVALID

[Barry N1EU]

I don't understand why folks would be using https unless they're
browser/proxy is forcing it somehow.  A secure connection is not
needed.  And the shopping is handled by cartserver.com

But yes, if for some reason they are trying to access elecraft.com via
https, they would have a problem because of that SSL cert.

Barry N1EU

On Sat, Jan 2, 2016 at 12:02 AM, ab2tc <ab...@arrl.net> wrote:
> Hi,
>
> Are you suggesting that this may be the reason why a number of us
> (apparently all with Verizon FIOS) cannot reach the web site?
>
> AB2TC - Knut
>
> Byron Peebles wrote
>> The Elecraft site has an invalid certificate, so others having issues
>> are probably related to that.
>>
>> __
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>
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>
>>
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>
>> lists+1215531472858-365791@.nabble
>
>
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/Elecraft-com-NET-ERR-CERT-COMMON-NAME-INVALID-tp7612161p7612162.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Elecraft gear relative IMD

[Barry N1EU]

Pre-distortion dsp processing on the tx signal makes a DRAMATIC
improvement.  Check out the tx spectrum and waterfall outside the filter
passband on this video before and after W1AEX switches in pre-distortion at
34 seconds in:  https://www.youtube.com/watch?v=MCm3mKHyuAo

73/HNY,
Barry N1EU

On Thu, Dec 31, 2015 at 7:34 AM, Kevin Stover <kevin.sto...@mediacombb.net>
wrote:

> Two different animals.
> Harmonics and spurs are regulated by the FCC to be at least -43dB down on
> HF and -60dB down on 6 meters.
> The K3(s) meets those specs easily as evidenced by a couple of QST reviews.
> IMD is not regulated I think because most hams don't have the test
> equipment to pull it off accurately.
>
> All of this IMD hullabaloo would quickly go away if the manufacturers
> would switch from 12V finals to 50V finals or used pre-distortion of some
> sort. How much will Ham's pay to clean up the IMD problem when the FCC
> doesn't regulate it?
>
>
> On 12/30/2015 9:09 PM, a...@sbcglobal.net wrote:
>
>> Who has some measured 2 tone IMD test figures for an actual  K3/K3S at
>> full and reduced power levels and at supply voltage levels between 12-15
>> volts?Must assume the Harmonic and Spurious Outputs exceed 50dB below
>> carrier @ 100W within ham bands as per Elecraft manual specs.  HOW  much
>> better than 50dB with above variables is the question?   Can someone share
>> these figures?
>> 73,Mike  AC5P
>>
>>
>
> --
> R. Kevin Stover
> AC0H
> ARRL
> FISTS #11993
> SKCC #215
> NAQCC #3441
>
>
> ---
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Re: [Elecraft] KIO3B Audio Spec

[Barry N1EU]

You'll get hum if your computer and K3 chassis aren't at the same
ground potential.  For many, it may be preferable to use the rear
panel Line Out, which is transformer isolated.

73, Barry N1EU

On Thu, Dec 31, 2015 at 2:15 PM, ab2tc <ab...@arrl.net> wrote:
> Hi again,
>
> BTW, some people have been complaining about 60Hz hum in the audio. I zoomed
> in one the low end:
>
> http://ab2tc.com/k3s_usb_lows.png
>
> There is absolutely no sign of 60, 120 or 180Hz in this spectrum. I have
> also listened to the signal with good headphones and hear no trace of hum.
>
> AB2TC - Knut
>
>
> ab2tc wrote
>> Hi,
>>
>> Here is the spectrum out of the USB codec with a -73dBm carrier from the
>> XG3:
>>
>> http://ab2tc.com/new_k3s_usb.png
>>
>> The K3S setting is USB with a passband of 300 to 2400Hz. I left the LINE
>> OUT level set to the factory setting (10), and set the recording level
>> with the Windows mixer (Win7).
>>
>> AB2TC - Knut
>> 
>
>
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3IOB-tp7611605p7612094.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3 comments on Koss SB45 headsets

[Barry N1EU]

Dave, can you comment on how the isolation compares between the CM500
and the SB-45?  Does the SB-45 provide more isolation?

Thanks & 73,
Barry N1EU

On Mon, Dec 28, 2015 at 6:39 PM, Dave Hachadorian <k6ll.d...@gmail.com> wrote:
> It's quite a coincidence that you asked about the Koss SB-45, because I just 
> got one for Christmas!  Mine is the one with 3.5mm connectors, not the USB 
> version.  I also have a CM-500.
>
> I was going to post a review here after wearing the SB-45 all next weekend in 
> the RTTY Roundup, but here are my first impressions.
>
> The microphone quality is fine.  The SB-45 needed about 3 dB more boost in TX 
> EQ #4 to sound like the CM-500.  The mic is an electret.  Do not confuse this 
> unit with the SB-40, which has a dynamic mic, and apparently doesn’t sound so 
> good.
>
> The audio out of the headphones is also fine, just as good and loud and 
> distortion-free as the CM-500, at least for communications use.  I haven't 
> tried either headset on music.
>
> I wore them for 1.5 hours on a long-winded net this morning, and they were 
> totally comfortable over that time period.  I do wear eyeglasses.  People on 
> the net said the audio sounded just like the CM-500.  I'll give a better 
> long-term comfort report after the RTTY Roundup.
>
> The cord is nice and long, and the mic and headphone wires can be separated 
> easily to go to different places, after cutting a little rubber thingie that 
> keeps them together.  My mic goes to the back of a computer on the floor, and 
> my headphones go to an SO2R box on the table.
>
> The SB45 is around $25 on Amazon, compared to $55 for the CM-500.
>
> I think this headset is going to be a keeper, but I’ll give a long term 
> comfort report next week.
>
> Dave Hachadorian, K6LL
> Yuma, AZ
>
>
>
>
>
> -Original Message-
> From: Gary Gregory
> Sent: Monday, December 28, 2015 3:26 PM
> To: Elecraft List
> Subject: [Elecraft] K3 comments on Koss SB45 headsets
>
> Seasons greetings one and all.
>
> Has anyone used/using the Koss SB45 headsets on their K3?
>
> I have the CM-500 and I am on my second set but again the padding is
> starting to deteriorate so before they look too ratty, figured I would get
> a backup and as the CM500 are not available in VK but the Koss SB45 are, I
> would appreciate any comments/advice the list may offer.
>
> Just to let you all know, I love my Yamaha cm500 BUT, shipping cost from
> the US is really quite ridiculous these days and the AUD has fallen off a
> cliff and the parachute failed to open...:-)
>
> The Koss SB45 are $69.00 AUD, free shipping. I like free...:-)
>
> TIA
>
> 73
> Gary
>
> --
>
>
>
> *Gary - VK1ZZ, K3NHLSkype: Gary.VK1ZZhttp://www.qsl.net/vk1zz
> <http://www.qsl.net/vk1zz>Motorhome Portable*
> *Miss Behavin'*
>
>
> *Elecraft K3KPA500FT  #18KAT500FT  #007*
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Re: [Elecraft] Feature request: Audio balance control for K3

[Barry N1EU]

I think the OP was asking for main/main L/R balance control which SUB
AF will not provide

73, Barry N1EU

On Tue, Dec 29, 2015 at 9:15 AM, Jeff Schmidt <j...@kc9wsj.us> wrote:
> Mike,
> CONFIG: SUB AF: bALANCE will do what you want, minus the individual EQ
> curve.
>
> Jeff, KC9WSJ
>
> On 12/29/2015 6:10 AM, Mike Keller wrote:
>>
>> Would it be possible in software to add an audio balance control?
>> As time has gone by my left ear takes a lot more drive to match the right
>> and it's probably going to get worse.
>> In my best of all worlds it would be great to set an Eq curve individually
>> too.
>>
>> Tnx
>> Mike Keller
>> W1BNC
>>
>>
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Re: [Elecraft] headphone impedance

[Barry N1EU]

Jim, I think it would be great if you would clarify your comment to
Steve.  I've looked at the data sheet and everything Steve said seems
correct to me???

And I'm not sure I'm willing to totally buy (per Joe) that there's
necessarily a proportional relationship between headphone impedance
and efficiency that makes up for the inverse relationship between
output power and load impedance.  I just don't observe this efficiency
rule consistently in my collection of headphones with varying
impedance.  Headphone efficiency clearly has other dependencies than
impedance.

73,
Barry N1EU



On Tue, Dec 29, 2015 at 6:46 AM, Jim Brown <j...@audiosystemsgroup.com> wrote:

> You clearly don't understand what you're reading on that data sheet, nor the
> design of audio output stages. I refer you to my earlier posts, and to those
> by W4TV, W2RU, and W3FPR.
>
> Those numbers you quote are NOT the output impedance, they are the minimum
> LOAD impedance that the output device is designed to work into. Modern
> output stages are essentially constant voltage sources. That's what Bud is
> telling you with his discussion about damping factor -- the output Z (source
> Z) is typically 50-100 times the load Z.
>
> With headphone amplifiers, a good designer will add some small value of
> resistance in series with the output to prevent the output stage from
> failing if a short is connected to its output (which could occur when a plug
> is being inserted, or with an improperly wired plug). Line level outputs use
> a series output resistor to prevent the output stage from seeing the
> CAPACITANCE of a long cable, which could, by interaction with the feedback
> network, cause the output stage to oscillate.
>
> Executive summary -- simply buy good quality headphones, and don't worry
> about impedance.
>
> 73, Jim K9YC
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[Elecraft] headphone impedance

[Barry N1EU]

Is there an acceptable range of headphone impedance for the K3/K3s?

I've got some 300-ohm headphones and wondering if the impedance alone
makes them a poor choice for my K3s?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] headphone impedance

[Barry N1EU]

Thanks for all the public and private responses!  My 300-ohm
headphones should not be a problem for the K3s.

73, Barry N1EU

On Mon, Dec 28, 2015 at 10:20 AM, W2RU - Bud Hippisley
<w...@frontiernet.net> wrote:
> The headphones I have used for over a decade are 600-ohm high-end stereo 
> high-fidelity phones.  I obtain “comfortable” audio with my audio gain 
> control set at about 9 o’clock.  I am 99% CW, and they are my 
> preferred-by-far headphones for both the K3 and the K3S, although I use 
> something else when I need an integrated headset for phone contests.
>
> Bud, W2RU
>
>> On Dec 28, 2015, at 8:10 55AM, Barry N1EU <n1eu.ba...@gmail.com> wrote:
>>
>> Is there an acceptable range of headphone impedance for the K3/K3s?
>>
>> I've got some 300-ohm headphones and wondering if the impedance alone
>> makes them a poor choice for my K3s?
>>
>> Thanks & 73,
>> Barry N1EU
>> __
>
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Re: [Elecraft] headphone impedance

[Barry N1EU]

I believe this also means that the K3 headphone output circuit will
deliver 10X power (with fixed V, P~1/R) into a 30-ohm headphone as a
300-ohm headphone, so at some point the amp might clip as you raise
the headphone impedance?

Barry N1EU

On Mon, Dec 28, 2015 at 12:57 PM, Jim Brown <j...@audiosystemsgroup.com> wrote:
> On Mon,12/28/2015 5:10 AM, Barry N1EU wrote:
>>
>> I've got some 300-ohm headphones and wondering if the impedance alone
>> makes them a poor choice for my K3s?
>
>
> As others have told you, it's not an issue. For at least 50 years, audio
> equipment has low impedance outputs that are designed to work into
> relatively high impedances. In audio, we don't "match" impedances like we
> would in RF. Power amplifiers, of which headphone amplifiers are a special
> set, are typically designed to provide 1V or so into any Z greater than
> about 100 ohms.
>
> Think of it this way. High Z phones are designed to require more voltage but
> less current, while low Z phones require less voltage but draw more current.
> The IR drop in the output stage will reduce the voltage to low-Z phones, but
> they don't need as much voltage to be loud enough. And there will be little
> or no IR drop to higher Z phones, so they see the full 1V output.
>
> Bottom line -- nearly all modern headphones are designed to work with a 1V
> source.
>
> There's discussion of these issues in
>
> http://k9yc.com/GroundingAndAudio.pdf
>
> 73, Jim K9YC
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Re: [Elecraft] K3 comments on Koss SB45 headsets

[Barry N1EU]

Sorry, I would qualify the recommendation for the Sennheiser HD280
based on many years experience with those headphones.  It's a matter
of personal fit perhaps, but I find the HD280 uncomfortable for
long-term contesting use.  For casual use for shorter periods of time,
I would definitely give them a thumbs up if you need an isolating type
headphone, although I prefer the higher priced Beyer DT770M.  If you
don't need the isolation, I prefer the more comfortable and better
sounding circumaural open-back Sennheisers.

73,
Barry N1EU

On Tue, Dec 29, 2015 at 12:02 AM, AB2E Darrell <a...@hotmail.com> wrote:
> I'll share with the group a very positive experience with an excellent set of 
> headphones I've not seen reviewed for radio before - Sennheiser HD280 Pro, 
> online most places for $99. OK, it's not the cheapest set out there like the 
> two mentioned here, Koss SB-45 and Yamaha CM-500 (I too have the CM-500, the 
> response is nice and crisp but the Sennheiser is superior and more 
> comfortable than the Yamaha), but it is extremely high quality from a famous 
> EU maker. I actually bought the Sennheiser for another use in the shack 
> (digitizing old reel to reel audio tapes and I needed a studio reference 
> source). These phones are terrific, with 32db of isolation. The over-the-ear 
> cushions are very deep - a little over an inch - and I operated a whole 
> contest weekend with them at the CQWW CW at VE3RZ's M2 with my K3 and SPE 
> Expert 1.3K-FA. In SS CW, I copied many west coast CW, even qrp with these 
> phones. Very comfortable on the ears, and very quiet - no outside noise. 
> These are rated as recording studio quality phones. The cable is 10ft long, 
> and the weight is only .49lbs. It comes with a 1/8in plug but includes a 1/4 
> in adapter. Here's a link with the details for anyone interested
> http://www.sweetwater.com/store/detail/HD280Pro?adpos=1t1=83049424441=c=b=g=CKjIwJXe_8kCFdQYHwodrokJWQ
> I have no financial interest in anyone selling them, just love the product.
> 73 Darrell AB2E
>
>
> 
> From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of Dave 
> Hachadorian <k6ll.d...@gmail.com>
> Sent: Monday, December 28, 2015 6:39 PM
> To: Reflector Elecraft
> Subject: Re: [Elecraft] K3 comments on Koss SB45 headsets
>
> It's quite a coincidence that you asked about the Koss SB-45, because I just 
> got one for Christmas!  Mine is the one with 3.5mm connectors, not the USB 
> version.  I also have a CM-500.
>
> I was going to post a review here after wearing the SB-45 all next weekend in 
> the RTTY Roundup, but here are my first impressions.
>
> The microphone quality is fine.  The SB-45 needed about 3 dB more boost in TX 
> EQ #4 to sound like the CM-500.  The mic is an electret.  Do not confuse this 
> unit with the SB-40, which has a dynamic mic, and apparently doesn’t sound so 
> good.
>
> The audio out of the headphones is also fine, just as good and loud and 
> distortion-free as the CM-500, at least for communications use.  I haven't 
> tried either headset on music.
>
> I wore them for 1.5 hours on a long-winded net this morning, and they were 
> totally comfortable over that time period.  I do wear eyeglasses.  People on 
> the net said the audio sounded just like the CM-500.  I'll give a better 
> long-term comfort report after the RTTY Roundup.
>
> The cord is nice and long, and the mic and headphone wires can be separated 
> easily to go to different places, after cutting a little rubber thingie that 
> keeps them together.  My mic goes to the back of a computer on the floor, and 
> my headphones go to an SO2R box on the table.
>
> The SB45 is around $25 on Amazon, compared to $55 for the CM-500.
>
> I think this headset is going to be a keeper, but I’ll give a long term 
> comfort report next week.
>
> Dave Hachadorian, K6LL
> Yuma, AZ
>
>
>
>
>
> -Original Message-
> From: Gary Gregory
> Sent: Monday, December 28, 2015 3:26 PM
> To: Elecraft List
> Subject: [Elecraft] K3 comments on Koss SB45 headsets
>
> Seasons greetings one and all.
>
> Has anyone used/using the Koss SB45 headsets on their K3?
>
> I have the CM-500 and I am on my second set but again the padding is
> starting to deteriorate so before they look too ratty, figured I would get
> a backup and as the CM500 are not available in VK but the Koss SB45 are, I
> would appreciate any comments/advice the list may offer.
>
> Just to let you all know, I love my Yamaha cm500 BUT, shipping cost from
> the US is really quite ridiculous these days and the AUD has fallen off a
> cliff and the parachute failed to open...:-)
>
&g

Re: [Elecraft] P3 vs. other panadapter options

[Barry N1EU]

Juliean, IMHO the quality is comparable between P3/SVGA and LP-PAN/NaP3.
Here's an image from an LP-PAN/NaP3 panadapter that I used a while back on
an Orion:
http://www.tentecwiki.org/lib/exe/fetch.php?cache==orionpan3.jpg

The big issue is whether you want to deal with the computer interface side
of LP-PAN/NaP3 and the necessary port-sharing if you also want to use a
CAT-connected logging program.  You'll also need to get all the settings
right in NaP3 for the panadapter calibration to be accurate in all modes.

The big advantage of NaP3 over other LP-PAN software options is the
integral telnet connection that will paint a bandmap superimposed on the
spectral display.

73, Barry N1EU



On Thu, Dec 24, 2015 at 11:47 AM, Juliean Galak <jga...@gmail.com> wrote:

> I'm planning on getting a K3s and am wondering about panadapters.  There's
> obviously the P3, but there are also the computer-based I new like the
> lp-pan, or using an sdr.  I kind of like having one less box on the desk -
> there'll be a computer there no matter what.  How's the quality of these
> solutions compared to the p3?  Especially the integration?
>
> Thanks,
> Juliean
> KD2JPF
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Re: [Elecraft] K3/2K-FA int.

[Barry N1EU]

Thanks for posting this Roy.  Not one mention of the loud relay in 31
eHam reviews and it's something that obviously would bother some of us
(me) more than others.

73, Barry N1EU

On Thu, Dec 24, 2015 at 8:03 AM, Roy Koeppe <k...@ncn.net> wrote:
> " looking for input on how well the K3 will integrate with the SPE expert
> 2K-FA? (etc.)"
>
> If you operate CW QSK, be aware the SPE uses relays which clack quite
> loudly.
>
> 73,   RoyK6XK
>
>
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[Elecraft] K3s USB audio

[Barry N1EU]

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

[Barry N1EU]

Everything was properly configured - I could see the levels rising and
falling in the Windows Sound Playback under the USB Audio Codec device
as N1MM Logger+ keyed the voice message.  The rig was in transmit.
Line level was at maximum and Mic+Lin was on. But the audio didn't get
from computer to transmitter.

73, Barry N1EU

On Mon, Dec 14, 2015 at 9:33 PM, Cady, Fred <fc...@montana.edu> wrote:
> No problem here with N1MM+ playing wav files through the USB audio codec. Or 
> with WSJT or MMTTY.
> In N1MM+ you have to (or can) have the wav files in a directory 
> ../wav/{operator}/...wav where {operator} is the call or name of the OPON 
> operator.
>
> I think the USB CODEC works great.  What you can't do, though is switch audio 
> streams in SO2R, at least with the YCCC SO2R box.  At least I haven't figured 
> out how to do that yet.
> Cheers,
> Fred KE7X
>
> For all KE7X Elecraft books, see www.ke7x.com
>
>
>
> 
> From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of Ed Muns 
> <e...@w0yk.com>
> Sent: Monday, December 14, 2015 1:23 PM
> To: 'Barry N1EU'
> Cc: 'elecraft'; wa...@elecraft.com
> Subject: Re: [Elecraft] K3s USB audio
>
> 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

[Barry N1EU]

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] Compatability of K3 EZ and the K3s

[Barry N1EU]

Yes

73, Barry N1EU

On Mon, Dec 14, 2015 at 8:15 PM, johnpierce <ja-pie...@verizon.net> wrote:
> Has anyone used the K3 EZ software on a windows computer with the K3s?  Is
> it compatible?
>
>
>
> John, AD2F
>
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Re: [Elecraft] K3s USB audio

[Barry N1EU]

I have it working now, thanks for the helpful suggestions.  I don't
know why it's suddenly working, I didn't change anything.  I'll keep
an eye on it.

73, Barry N1EU

On Mon, Dec 14, 2015 at 10:01 PM, Cady, Fred <fc...@montana.edu> wrote:
> Hi Barry,
> Have you tried using the K3s regular Line In port with another sound card?  
> If that works sure sounds like something amiss with the USB in the KIO3B.
> Cheers,
> Fred
>
> 
> From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of Barry N1EU 
> <n1eu.ba...@gmail.com>
> Sent: Monday, December 14, 2015 2:52 PM
> To: elecraft
> Subject: Re: [Elecraft] K3s USB audio
>
> Everything was properly configured - I could see the levels rising and
> falling in the Windows Sound Playback under the USB Audio Codec device
> as N1MM Logger+ keyed the voice message.  The rig was in transmit.
> Line level was at maximum and Mic+Lin was on. But the audio didn't get
> from computer to transmitter.
>
> 73, Barry N1EU
>
> On Mon, Dec 14, 2015 at 9:33 PM, Cady, Fred <fc...@montana.edu> wrote:
>> No problem here with N1MM+ playing wav files through the USB audio codec. Or 
>> with WSJT or MMTTY.
>> In N1MM+ you have to (or can) have the wav files in a directory 
>> ../wav/{operator}/...wav where {operator} is the call or name of the OPON 
>> operator.
>>
>> I think the USB CODEC works great.  What you can't do, though is switch 
>> audio streams in SO2R, at least with the YCCC SO2R box.  At least I haven't 
>> figured out how to do that yet.
>> Cheers,
>> Fred KE7X
>>
>> For all KE7X Elecraft books, see www.ke7x.com
>>
>>
>>
>> 
>> From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of Ed Muns 
>> <e...@w0yk.com>
>> Sent: Monday, December 14, 2015 1:23 PM
>> To: 'Barry N1EU'
>> Cc: 'elecraft'; wa...@elecraft.com
>> Subject: Re: [Elecraft] K3s USB audio
>>
>> 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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>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>>> Please help support thi

Re: [Elecraft] K3 EZ

[Barry N1EU]

I know you need to have the MS.Net Framework installed to run K3 EZ

73, Barry N1EU

On Sun, Dec 13, 2015 at 1:16 PM, NZ0T <nz0t...@gmail.com> wrote:
> Has anyone been able to get K3 EZ running in Linux with WINE?  I use Mint for
> my primary OS and would like to use K3 EZ there.  I have Win 10 dual booted
> and can run K# EZ there but would prefer to use it on Mint.  I am able to
> extract the file and it seems to start to run with WINE with a brief flash
> of a loading window but then it disappears.
>
> Any help?
>
> 73 Bill NZ0T
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K3-EZ-tp7611355p7611442.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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[Elecraft] Getting Logger+ tx audio via K3s USB audio codec

[Barry N1EU]

Would appreciate any tips to getting the N1MM Logger+ soundcard voice
keyer properly keying/driving my K3s via the internal USB soundcard.
My USB-connected K3s is running fine with N1MM Logger+ and "USB Audio
CODEC" selected as my Radio 1 output device.  I've got MIC + LIN On
and I see the wav file properly moving the level meter in Windows
sound and the level is set at 100, but no tx audio on the K3s.  It
appears that everything is working as it should in Logger+.   Is there
a separate LIN level control I need to adjust on the K3s or some other
reason I'm not seeing tx audio being driven?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] Getting Logger+ tx audio via K3s USB audio codec

[Barry N1EU]

Thanks Fred, I didn't.  I've got Mic+Lin working fine with another
soundcard but can't get the USB audio to play through.

73, Barry N1EU

On Sat, Dec 12, 2015 at 2:01 PM, Cady, Fred <fc...@montana.edu> wrote:
> Hi Barry,
> Make sure you don't have a cable plugged into the K3s Line In jack.
> 73,
> Fred KE7X
>
> For all KE7X Elecraft books, see www.ke7x.com
>
> 
> From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of Barry N1EU 
> <n1eu.ba...@gmail.com>
> Sent: Saturday, December 12, 2015 6:46 AM
> To: elecraft; n1mmloggerp...@yahoogroups.com
> Subject: [Elecraft] Getting Logger+ tx audio via K3s USB audio codec
>
> Would appreciate any tips to getting the N1MM Logger+ soundcard voice
> keyer properly keying/driving my K3s via the internal USB soundcard.
> My USB-connected K3s is running fine with N1MM Logger+ and "USB Audio
> CODEC" selected as my Radio 1 output device.  I've got MIC + LIN On
> and I see the wav file properly moving the level meter in Windows
> sound and the level is set at 100, but no tx audio on the K3s.  It
> appears that everything is working as it should in Logger+.   Is there
> a separate LIN level control I need to adjust on the K3s or some other
> reason I'm not seeing tx audio being driven?
>
> Thanks & 73,
> Barry N1EU
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Re: [Elecraft] Getting Logger+ tx audio via K3s USB audio codec

[Barry N1EU]

I've gotten many good tips but my USB audio is still dead.  So I
simplified my attempt like this:

Mic+Lin off
Mic Sel Line In
Line Level 60 (max)
Nothing plugged into Line In

Set up Audacity loop playing audio file with Speaker output as USB Audio Codec
I see the Windows Sound Playback level jumping up and down as expected
- audio is going to the device

Push PTT on K3s and absolutely no tx audio

Is there anything I'm possibly missing?


Thanks & 73,
Barry N1EU

On Sat, Dec 12, 2015 at 1:46 PM, Barry N1EU <n1eu.ba...@gmail.com> wrote:
> Would appreciate any tips to getting the N1MM Logger+ soundcard voice
> keyer properly keying/driving my K3s via the internal USB soundcard.
> My USB-connected K3s is running fine with N1MM Logger+ and "USB Audio
> CODEC" selected as my Radio 1 output device.  I've got MIC + LIN On
> and I see the wav file properly moving the level meter in Windows
> sound and the level is set at 100, but no tx audio on the K3s.  It
> appears that everything is working as it should in Logger+.   Is there
> a separate LIN level control I need to adjust on the K3s or some other
> reason I'm not seeing tx audio being driven?
>
> Thanks & 73,
> Barry N1EU
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Re: [Elecraft] Getting Logger+ tx audio via K3s USB audio codec

[Barry N1EU]

yes, it's already max

On Sat, Dec 12, 2015 at 6:16 PM, Rick WA6NHC <wa6...@gmail.com> wrote:
> Have you set the output levels on the OS driver?  In mine, that should be at
> or near max output...
>
> Rick nhc
>
>
>
> On 12/12/2015 8:59 AM, Barry N1EU wrote:
>>
>> I've gotten many good tips but my USB audio is still dead.  So I
>> simplified my attempt like this:
>>
>> Mic+Lin off
>> Mic Sel Line In
>> Line Level 60 (max)
>> Nothing plugged into Line In
>>
>> Set up Audacity loop playing audio file with Speaker output as USB Audio
>> Codec
>> I see the Windows Sound Playback level jumping up and down as expected
>> - audio is going to the device
>>
>> Push PTT on K3s and absolutely no tx audio
>>
>> Is there anything I'm possibly missing?
>>
>>
>> Thanks & 73,
>> Barry N1EU
>>
>> On Sat, Dec 12, 2015 at 1:46 PM, Barry N1EU <n1eu.ba...@gmail.com> wrote:
>>>
>>> Would appreciate any tips to getting the N1MM Logger+ soundcard voice
>>> keyer properly keying/driving my K3s via the internal USB soundcard.
>>> My USB-connected K3s is running fine with N1MM Logger+ and "USB Audio
>>> CODEC" selected as my Radio 1 output device.  I've got MIC + LIN On
>>> and I see the wav file properly moving the level meter in Windows
>>> sound and the level is set at 100, but no tx audio on the K3s.  It
>>> appears that everything is working as it should in Logger+.   Is there
>>> a separate LIN level control I need to adjust on the K3s or some other
>>> reason I'm not seeing tx audio being driven?
>>>
>>> Thanks & 73,
>>> Barry N1EU
>>
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Re: [Elecraft] P3 transmit monitor

[Barry N1EU]

Can you get a relative assessment of the degree of compression (speech
processing) by viewing the ssb waveform in the P3 TX monitor?

Barry N1EU

On Thu, Dec 10, 2015 at 8:30 PM, Nate Bargmann <n...@n0nb.us> wrote:
> * On 2015 09 Dec 08:13 -0600, Barry N1EU wrote:
>> I'd like to hear from folks who've owned the P3 transmit monitor for a
>> while.  Can you please comment on why you do (or don't) find it useful
>> in day-to-day operating?  Is it a tool you use often, just a cool toy,
>> etc ???
>
> I have noticed that I am flat topping on voice peaks which is a reminder
> that I need to turn the power down on the K3 to the ALS-600.
>
> I find the PEP wattmeter and SWR display useful.  Yes, it compressed the
> FFT and waterfall some, but it was a trade-off that is now "normal".
>
> I am satisfied with it and have it enabled at all times.  While I wish
> the TX monitor could also show an FFT of the transmission, I understand
> this is not possible.  At least this way I am able to monitor my TX
> signal at the output of the amplifier.
>
> 73, Nate N0NB
>
> --
>
> "The optimist proclaims that we live in the best of all
> possible worlds.  The pessimist fears this is true."
>
> Ham radio, Linux, bikes, and more: http://www.n0nb.us
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[Elecraft] K3s subreceiver antenna not normally disconnected during transmit?

[Barry N1EU]

If I'm reading the manual correctly, the K3s subreceiver (KRX3)
antenna is NOT normally disconnected by a relay during transmit,
although there's a carrier-operated protection relay in-line.  Am I
correct in this regard?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] P3 cw waterfall

[Barry N1EU]

Okay, what I think is tripping me up is the P3 internal waterfall
speed IS varying with update rate but the SVGA waterfall speed is not.

Barry N1EU

On Thu, Dec 10, 2015 at 11:08 PM, Barry N1EU <n1eu.ba...@gmail.com> wrote:
> Sorry for my dimness, but I've tried Tracking mode and Fixed-Tune
> mode, varying the "update rate" and "refresh rate" and I still am not
> seeing a change in the waterfall speed.  Exactly what do I need to do
> to see a change in the waterfall speed?
>
> In PowerSDR, the Update Period (rate) directly and obviously changes
> the waterfall speed.  And the P3?
>
> Thanks & 73, Barry N1EU
>
> On Thu, Dec 10, 2015 at 3:29 PM, d...@lightstream.net
> <d...@lightstream.net> wrote:
>> Barry,
>>
>> It's as Fred said, it changes as a function of the "Rate" setting when
>> running in the "Fixed" mode, however it does so as a side-effect of the
>> slower screen refresh rates. I was hoping to be able to dramatically slow
>> the waterfall to the point of it displaying 3 to 4 minutes of traces, but
>> without altering the refresh rate of the spectrum display. I don't think
>> that's currently possible though.
>>
>> 73,
>>
>> Dale, WA8SRA
>>
>>> Can someone please describe how to simply change the speed of the
>>> waterfall?  The update rate doesn't change it.
>>>
>>> Thanks & 73,
>>> Barry N1EU
>>>
>>
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Re: [Elecraft] P3 cw waterfall

[Barry N1EU]

Sorry for my dimness, but I've tried Tracking mode and Fixed-Tune
mode, varying the "update rate" and "refresh rate" and I still am not
seeing a change in the waterfall speed.  Exactly what do I need to do
to see a change in the waterfall speed?

In PowerSDR, the Update Period (rate) directly and obviously changes
the waterfall speed.  And the P3?

Thanks & 73, Barry N1EU

On Thu, Dec 10, 2015 at 3:29 PM, d...@lightstream.net
<d...@lightstream.net> wrote:
> Barry,
>
> It's as Fred said, it changes as a function of the "Rate" setting when
> running in the "Fixed" mode, however it does so as a side-effect of the
> slower screen refresh rates. I was hoping to be able to dramatically slow
> the waterfall to the point of it displaying 3 to 4 minutes of traces, but
> without altering the refresh rate of the spectrum display. I don't think
> that's currently possible though.
>
> 73,
>
> Dale, WA8SRA
>
>> Can someone please describe how to simply change the speed of the
>> waterfall?  The update rate doesn't change it.
>>
>> Thanks & 73,
>> Barry N1EU
>>
>
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Re: [Elecraft] P3 cw waterfall

[Barry N1EU]

Can someone please describe how to simply change the speed of the
waterfall?  The update rate doesn't change it.

Thanks & 73,
Barry N1EU
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Re: [Elecraft] OT looking for K3EZ utility

[Barry N1EU]

I don't think it's available any longer.  Perhaps someone has a copy
of the install files they can make available?

Thanks & 73,
Barry N1EU

On Thu, Dec 10, 2015 at 9:57 AM, Kjeld Holm <k...@kh-translation.dk> wrote:
> Hi Elecrafters
> I find the utility K3EZ very useful. Going to a new computer I searched the
> internet for a copy but did not find any.
> Can someone direct me to a download site?
> Best regards
> Vy 73 de OZ1CCM
>
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[Elecraft] P3 transmit monitor

[Barry N1EU]

I'd like to hear from folks who've owned the P3 transmit monitor for a
while.  Can you please comment on why you do (or don't) find it useful
in day-to-day operating?  Is it a tool you use often, just a cool toy,
etc ???

Thanks & 73,
Barry N1EU
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[Elecraft] P3 cw waterfall

[Barry N1EU]

Is the waterfall speed adjustable?

Any brilliant insights on optimal cw waterfall setup gratefully
appreciated!  I'm an old fan of the cw skimmer waterfall with traces
so clear you can easily read the cw dits/dahs.

Thanks & 73,
Barry N1EU
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[Elecraft] P3 SVGA help

[Barry N1EU]

My monitor reports "no signal" from my P3 SVGA.  I've gone into the
menu and enabled SVGA and set the resolution.  Is there anything else
I need to do?

Thanks & 73,
Barry N1EU
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[Elecraft] 3rd party K3 software utility?

[Barry N1EU]

Are there any 3rd party software utilities available that will store
profiles with different tx setups including TX EQ?

Thanks & 73,
Barry N1EU
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[Elecraft] K3 USB interface

[Barry N1EU]

I'm trying to get a K3S talking with N1MM Logger+ for the first time.
The K3S config RS232 is set to "USB", I plugged in the USB cable and
see that Windows has assigned it COM5, I configured the Port in N1MM
Logger+ to K3 38400 N 8 1 Off Off and I get "not responding."  Is
there a trick I'm missing?

Thanks & 73,
Barry N1EU
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