Re: [Elecraft] Noise when K-3 keyed

[Ken Arck]

I had the same problem - turned out to be noise from the computer (I 
was using the USB CODEC for audio in/out to the computer).


Ken


At 06:41 PM 9/18/2016, Fred Jensen wrote:

OK, this reply is to the list, lots of very smart and experienced folks there.

Let's see what others come up with given that additional info.  It 
sounds to me like most if not all of the usual suspects are ruled out.


73,

Fred K6DGW
Sparks NV USA
Washoe County DM09dn

On 9/18/2016 6:27 PM, Louis Ives wrote:

Thanks for the reply. The noise is there in all modes and I am using
Vox but the noise is there even when I key with foot ptt.  I
completely disconnected from the antenna system with same results. I
tried with dummy load with same results. The noise almost sounds like
what you would get with noise generator or other injected noise.


On Sep 18, 2016, at 9:12 PM, Fred Jensen 
wrote:

Hmmm ... first thought would be RF in undesirable places.

1.  How are you asserting PTT?  Foot or other switch, or VOX?

2.  If it's not VOX, is it really as soon as you press the switch,
or does it start as soon as you talk [which can often be almost
simultaneous]?  FWIW:  I once had a colleague who couldn't master
"point and click."  His mode was click and then point at what he
wanted.  Push then Talk totally eluded him. :-)

3.  What happens in CW mode?

The K3 makes no RF in TX test, a big clue.  Give us a few more
tidbits of info, like your antenna situation, actions into a dummy
load if you have one, etc.  I'm sure you'll get a lot of help
here.

73,

Fred K6DGW Sparks NV USA Washoe County DM09dn


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Re: [Elecraft] Noise when K-3 keyed

[Don Wilhelm]

Louis,

It goes away in TX TEST.  So I suspect it is an RF-in-the-shack problem.
Try the K3 into a dummy load to verify that assumption.

If it is OK on a dummy load, your best fix is in the antenna system - 
better baluns, check antenna connections and anything else that can 
cause common mode feedline currents.


73,
Don W3FPR

On 9/18/2016 8:53 PM, Louis Ives wrote:

My Upgraded K-3 has a noise when the transmitter is keyed.  The noise sounds 
like either some type of data noise or a severe feedback  The noise is there 
the moment that the radio is keyed, no type of voice input needed.  I have 
checked all settings and can find nothing that is out of spec.  I bypassed the 
100 watt amp and the problem was still there.  I am using Heil Proset headset 
and when the radio is put into test the audio is fine in the headset.  I used 
the recorder to make sure the noise was there during transmit and I also set up 
a second radio to monitor the K-3. The noise was still there.  I have no idea 
what to check next, if anyone has a suggestions it would be appreciated.




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Re: [Elecraft] Noise when K-3 keyed

[Fred Jensen]

OK, this reply is to the list, lots of very smart and experienced folks 
there.


Let's see what others come up with given that additional info.  It 
sounds to me like most if not all of the usual suspects are ruled out.


73,

Fred K6DGW
Sparks NV USA
Washoe County DM09dn

On 9/18/2016 6:27 PM, Louis Ives wrote:

Thanks for the reply. The noise is there in all modes and I am using
Vox but the noise is there even when I key with foot ptt.  I
completely disconnected from the antenna system with same results. I
tried with dummy load with same results. The noise almost sounds like
what you would get with noise generator or other injected noise.


On Sep 18, 2016, at 9:12 PM, Fred Jensen 
wrote:

Hmmm ... first thought would be RF in undesirable places.

1.  How are you asserting PTT?  Foot or other switch, or VOX?

2.  If it's not VOX, is it really as soon as you press the switch,
or does it start as soon as you talk [which can often be almost
simultaneous]?  FWIW:  I once had a colleague who couldn't master
"point and click."  His mode was click and then point at what he
wanted.  Push then Talk totally eluded him. :-)

3.  What happens in CW mode?

The K3 makes no RF in TX test, a big clue.  Give us a few more
tidbits of info, like your antenna situation, actions into a dummy
load if you have one, etc.  I'm sure you'll get a lot of help
here.

73,

Fred K6DGW Sparks NV USA Washoe County DM09dn


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[Elecraft] Noise when K-3 keyed

[Louis Ives]

My Upgraded K-3 has a noise when the transmitter is keyed.  The noise sounds 
like either some type of data noise or a severe feedback  The noise is there 
the moment that the radio is keyed, no type of voice input needed.  I have 
checked all settings and can find nothing that is out of spec.  I bypassed the 
100 watt amp and the problem was still there.  I am using Heil Proset headset 
and when the radio is put into test the audio is fine in the headset.  I used 
the recorder to make sure the noise was there during transmit and I also set up 
a second radio to monitor the K-3. The noise was still there.  I have no idea 
what to check next, if anyone has a suggestions it would be appreciated. 

PSent from my iPad
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Re: [Elecraft] K3S Upgrades

[Nr4c]

I believe that if you look at the kit assembly manual, it will reference the 
installation of these items at the appropriate point during assembly. The kit 
manual is available from Elecraft website as PDF. 

Sent from my iPhone
...nr4c. bill


> On Sep 18, 2016, at 5:52 PM, Geoff  wrote:
> 
> Perhaps a simple question but I am a new Elecraft user.
> 
> I have a 10 Watt K3S, (obtained pre built) together with*thefollowing 
> three upgrade options ready to be installed; *100W automatic antenna tuner 
> (KAT3), 100W PA stage (KPA3) and 2m option (K144XV).
> 
> Is there any preferred order to install them? Left to my own devices I would 
> probably start with KPA3, and finish with the K144XV, and I am also wondering 
> whether to re-assemble and test between the addition of each module.
> 
> Thanks,
> 
> 73, GeoffG1WRH
> 
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[Elecraft] **WANTED Elecraft KX1****

[Enzo Greco]

Looking for a Elecraft KX1 let me know what options it may have and price
shipped.

73 de ve3vtg

enzoi...@sympatico.ca416 824-0569

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Re: [Elecraft] K3S Upgrades

[Mark E. Musick]

Hi Geoff,
I have built two K3/100s and one K3S/100. All three with a KAT3/KAT3A.
Knowing how tight it is putting in the KAT3/KAT3A, I would install that
first. Then the KPA3 and the K144V last.
I have never installed a K144V, but I suspect you have to install the KPA3
before the K144V.

Mark, WB9CIF

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Geoff
Sent: Sunday, September 18, 2016 9:53 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3S Upgrades

Perhaps a simple question but I am a new Elecraft user.

I have a 10 Watt K3S, (obtained pre built) together with*thefollowing
three upgrade options ready to be installed; *100W automatic antenna tuner
(KAT3), 100W PA stage (KPA3) and 2m option (K144XV).

Is there any preferred order to install them? Left to my own devices I would
probably start with KPA3, and finish with the K144XV, and I am also
wondering whether to re-assemble and test between the addition of each
module.

Thanks,

73, GeoffG1WRH

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Re: [Elecraft] XG3 Calibration from 10MHz Standard?

[ng7m]

Bret, Don brings up a great point if you don't have a frequency counter.

Per Don's suggestion you could even get very close if you zero beat your K3
to a WWV carrier on 10, 15 or 20 mhz.  This is really easy to do with the K3
reference offset setting in the Config menu...

Tune into the WWV 10mhz carrier for example on CW and switch back and forth
from CW to CW-R... i.e. from side band to side band with the Alt option on
the K3 panel... as you do this, make sure you are in the REFCAL K3 menu and
tune the offset until you can't hear a difference between the side band
tones via switching from CW to CW-R(eversed).  If you have a good ear, you
can be very accurate.  Oh, make sure you K3 is nice and warmed up before you
do this.

Once you have the K3 REFCAL set as close as you can tell to a WWV carrier,
you will be even closer if you follow Don's suggestion about listening to
the 10mhz output of the XG3 on your K3 receiver.  Pretty easy to get very,
very close.

Now if you really want to get anal!  As in time-nuts anal, you could pick up
a used HP Agilent 8657 (or similar) frequency generator.  Drive it with your
GPSDO and use the output in place of the XG3.  And then take it to another
level of anal and get a nice used power meter to set the output of the
frequency generator to as close as you can to the right power level to
calibrate your S meter and power output on your K3. :)  It's a evil slippery
slope of buying older lab grade equipment in an anal effort to have a very
accurate signal reference and power output reference.  For a used power
meter, I would look at the HP 438A series or even the newer version, but the
thing that will set you back are the power sensors... they can pricey and
still demand a premium on flea-bay.  Something like a HP 8484A to go along
with your power sensor.  Make sure you know what you are getting for the HF
range of power sensors etc.. and know what kind of power you are pumping
into the power sensor.  If you don't attenuate the level input and adjust
accordingly, you can fry the power sensor really quick and turn it into a
several hundred dollar brick. ;)

Anyway, this kind of stuff is fun... you will find yourself buying all kinds
of stuff just to have fun calibrating your gear.

Max NG7M



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[Elecraft] K3S Upgrades

[Geoff]

Perhaps a simple question but I am a new Elecraft user.

I have a 10 Watt K3S, (obtained pre built) together 
with*thefollowing three upgrade options ready to be installed; *100W 
automatic antenna tuner (KAT3), 100W PA stage (KPA3) and 2m option (K144XV).


Is there any preferred order to install them? Left to my own devices I 
would probably start with KPA3, and finish with the K144XV, and I am 
also wondering whether to re-assemble and test between the addition of 
each module.


Thanks,

73, GeoffG1WRH

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Re: [Elecraft] XG3 Calibration from 10MHz Standard?

[Don Wilhelm]

If you do not have a frequency counter, there is another way.
Use XG3 Utility to set the XG3 to provide a 10 MHz output.
Listen to the 10 MHz reference in your receiver in CW mode and peak the 
signal at your sidetone pitch.  Then listen to the XG3 without touching 
the receiver.  Adjust the XG3 software parameters to produce a signal at 
*exactly* the same sidetone pitch.


73,
Don W3FPR

On 9/18/2016 5:25 PM, ng7m wrote:

Hi, normally, you would drive a frequency counter with your 10mhz GPSDO
output... i.e. you need to have a frequency counter that accepts a 10mhz
input as a reference.  Then you would measure the output of the XG3 for any
given frequency and adjust the parameters in the software that programs the
crystal offset in the XG3 firmware.  You can find some good deals on an HP
5384A on flea-bay for example... if you look around.

Just make sure you don't over drive your frequency counter based on the peak
to peak voltage output from the XG3.  The same holds true for the output
from your GPSDO into your frequency counter... make sure the PVP output
meets the frequency counter specification.

Max NG7M



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Re: [Elecraft] XG3 Calibration from 10MHz Standard?

[ng7m]

Hi, normally, you would drive a frequency counter with your 10mhz GPSDO
output... i.e. you need to have a frequency counter that accepts a 10mhz
input as a reference.  Then you would measure the output of the XG3 for any
given frequency and adjust the parameters in the software that programs the
crystal offset in the XG3 firmware.  You can find some good deals on an HP
5384A on flea-bay for example... if you look around.

Just make sure you don't over drive your frequency counter based on the peak
to peak voltage output from the XG3.  The same holds true for the output
from your GPSDO into your frequency counter... make sure the PVP output
meets the frequency counter specification.

Max NG7M



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Re: [Elecraft] Elecraft, Thank you for having a display at W9DXCC

[Jim McDonald]

I would like to echo Mike's comments.  Elecraft is very supportive of its 
customers and gatherings such as W9DXCC.  I appreciate the effort and cost that 
went into attending W9DXCC and providing raffle prizes.

Jim N7US
Sent from Outlook on my iPad

_
From: Michael Rosenberg 
Sent: Sunday, September 18, 2016 3:02 PM
Subject: [Elecraft] Elecraft, Thank you for having a display at W9DXCC
To:  


Just wanted to take a couple of minutes to drop a line and say thank you for 
having a booth at W9DXCC this weekend.  It was great to meet Dave S. and see 
the KX2 in person.  I appreciate your making the effort to come to these 
smaller regional gatherings and bring the full line of products, answer 
questions and let us check everything out.


Also, many thanks for being a contributor of raffle prizes.


Best 73s


Mike

N9YB

KX3 #8017
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Re: [Elecraft] K3 Erratic VFO behaviour, Switching bands and freq's

[Ron D'Eau Claire]

Mark makes an excellent point but a special anti-static pad is not required
for a simple procedure like this. However, simply unplugging and replacing
the FP does not require touching anything inside the K3, so there's no
danger. 

If you need to touch the pins on the connectors or anything inside the K3, a
good workable option to the anti-static mat is to simply touch a ground
frequently while working.

IF you don't already have one, a good pad and a wrist strap to keep you
"discharged" is a great addition to your tool kit. One of the Elecraft
engineers undertook an analysis to the mats on the market and discovered
that some are less than useful. Here's his recommendations as published in
many of the Elecraft manuals:

An anti-static mat must bleed off any charge that comes in contact with it
at a rate slow enough to avoid a shock or short circuit hazard but fast
enough to ensure dangerous charges cannot accumulate. Typically, a mat will
have a resistance of up to 1 Gigaohm (109 ohms). Testing a mat requires
specialized equipment, so we recommend that you choose an anti-static mat
that comes with published resistance specifications and clean it as
recommended by the manufacturer. Testing has shown that many inexpensive
mats that do not specify their resistance have resistance values much too
high to provide adequate protection, even after they were cleaned and
treated with special anti-static mat solutions. 

Suitable anti-static table mats are available from many sources including:
.   U-line (Model 12743 specified at 107 ohms)
.   Desco (Model 66164, specified at 106 to 108 ohms)
.   3MTM Portable Service Kit (Model 8505 or 8507, specified at 106 to
109 ohms) 

73, Ron AC7AC

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[Elecraft] Elecraft, Thank you for having a display at W9DXCC

[Michael Rosenberg]

Just wanted to take a couple of minutes to drop a line and say thank you for 
having a booth at W9DXCC this weekend.  It was great to meet Dave S. and see 
the KX2 in person.  I appreciate your making the effort to come to these 
smaller regional gatherings and bring the full line of products, answer 
questions and let us check everything out.


Also, many thanks for being a contributor of raffle prizes.


Best 73s


Mike

N9YB

KX3 #8017
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Re: [Elecraft] K3 Erratic VFO behaviour, Switching bands and freq's

[Mark E. Musick]

When I had K3 serial #3505 in for upgrades, it had the old pins and they
upgraded to the gold pins and didn't charge me for that part of the service.
The support folks told me the change to the gold pins was somewhere just
over serial #4000. They did not know the exact serial number.
I agree with Ron. I would remove and replace the front panel to exercise the
pins for possible oxidation. Also, the front panel connectors may not be
aligned properly.
Pete, if you decide to perform the front panel removal, it is important that
you use an antistatic mat. It is a good idea to have one as you may want to
add options or change options later.

Mark, WB9CIF

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ron
D'Eau Claire
Sent: Sunday, September 18, 2016 7:31 PM
To: 'G0PNM' 
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 Erratic VFO behaviour, Switching bands and freq's

Guy is quite right about the pin issue, however I have an early K3 with the
original pins and it works FB after 9 years. 

To be absolutely sure it isn't something external to the K3, first I'd
disconnect EVERYTHING except the main power cable, and see if the problem
persists.

Next I'd remove and replace the front panel assembly. It's not nearly as bad
as it sounds but doing so will exercise the connectors and clean any
oxidation that has accumulated on the pins. 

You can download a manual with a detailed procedure with photos for R/R the
front panel from Elecraft:

http://www.elecraft.com/manual/E740130%20KDVR3%20Option%20Installation%20Rev
%20C.pdf

That manual is for adding the digital voice recorder which requires removing
the front panel (see pages 6, 7 and 8). 

One reason I have never had a problem is possibly because my K3 (S/N 00010)
has been apart countless times as I maintain the Kit Assembly manual with
updates, etc. So the connectors don't get a chance to oxidize. 

Another thing that I've done is to put a drop of contact cleaner on each
pin. I used DeOxit by Caig. But simply exercising those connectors seems to
have fixed issues for others. 

73, Ron AC7AC



-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Guy
Olinger K2AV
Sent: Sunday, September 18, 2016 10:33 AM
To: G0PNM
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 Erratic VFO behaviour, Switching bands and freq's

In the K3 there are a few digital lines from the front panel which carry
multiplexed information to the CPU. The only way I can think of that would
scramble unrelated front panel input according to your report is that the
multiplexed line is malfunctioning and screwing up the data stream into the
cpu. The essential way to do that is a poor connection in the connector
pin/socket between front panel and CPU board.

Don't remember serial when Elecraft went to gold pins, but if they aren't
gold in yours you need to upgrade. If they ARE gold then the connector
probably is not seated properly. There is a lot of good stuff in the
archives about the "pin problem".

The other thing hate to bring up is lightning/static damage. If you can get
to the seller you might want to discuss the problem with him and whether
unit non-professionally repaired/disassembled/reassembled.

73, Guy K2AV

On Sunday, September 18, 2016, G0PNM  wrote:

> Hi all, New to the whole Elecraft scene.
> Just acquired my first K3 and its serial number is 07126.
> I have been experiencing some strange behavior while rotating the VFO 
> whereby the radio would change bands unexpectedly. On occasions, the 
> rig will jump to a supposed frequency well out of the range of the 
> radio
i.e.
> in
> the VHF bands!
>
> I managed to capture this behavior on my phone and have uploaded it to 
> youtube. The link is here:- https://youtu.be/IILWIe7hPzg 
> 
>
>
> I have waited a long time to get hold of an Elecraft, being my dream 
> radio but its quickly losing its sparkle and I am losing my hair!.
>
> ANY help would be much appreciated. I have only had it a week and I am 
> also emailing the supplier here in the UK.
>
> Thanks
> Pete G0PNM
>
>
>
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> View this message in context: http://elecraft.365791.n2.
> nabble.com/K3-Erratic-VFO-behaviour-Switching-bands-and-
> freq-s-tp7622624.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] WSJT-X and K3S Tx

[MaverickNH]

OK - thanks Rich, Don & Kevin.

1) COM3 was my XG3 RF Signal Source USB Serial Port - silly me...
2) PC Sound Card is now Default - I had to plug something into the Blue Line
In and Green Line Out jacks for them to be Ready so I could select them as
default
3) Nothing in K3S Line In jack; U7 card connected to the LP-PAN2
4) WSJT-X Line In/Out set to the K3S USB Audio CODEC
5) DATA A selected as mode
6) Did a manual TUNE to each WSPR frequency, so they are now stored in
memory
7) WSJT-X/WSPR-2 Mode waterfall dark background with clear and sharp signals

Do I want my XFIL wide open to FL1 4.00?

Like Kevin says, I'll quit messing with it - it works.

Thanks again!

Bret/N4SRN




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Re: [Elecraft] K3 Erratic VFO behaviour, Switching bands and freq's

[Ron D'Eau Claire]

Guy is quite right about the pin issue, however I have an early K3 with the
original pins and it works FB after 9 years. 

To be absolutely sure it isn't something external to the K3, first I'd
disconnect EVERYTHING except the main power cable, and see if the problem
persists.

Next I'd remove and replace the front panel assembly. It's not nearly as bad
as it sounds but doing so will exercise the connectors and clean any
oxidation that has accumulated on the pins. 

You can download a manual with a detailed procedure with photos for R/R the
front panel from Elecraft:

http://www.elecraft.com/manual/E740130%20KDVR3%20Option%20Installation%20Rev
%20C.pdf

That manual is for adding the digital voice recorder which requires removing
the front panel (see pages 6, 7 and 8). 

One reason I have never had a problem is possibly because my K3 (S/N 00010)
has been apart countless times as I maintain the Kit Assembly manual with
updates, etc. So the connectors don't get a chance to oxidize. 

Another thing that I've done is to put a drop of contact cleaner on each
pin. I used DeOxit by Caig. But simply exercising those connectors seems to
have fixed issues for others. 

73, Ron AC7AC



-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Guy
Olinger K2AV
Sent: Sunday, September 18, 2016 10:33 AM
To: G0PNM
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 Erratic VFO behaviour, Switching bands and freq's

In the K3 there are a few digital lines from the front panel which carry
multiplexed information to the CPU. The only way I can think of that would
scramble unrelated front panel input according to your report is that the
multiplexed line is malfunctioning and screwing up the data stream into the
cpu. The essential way to do that is a poor connection in the connector
pin/socket between front panel and CPU board.

Don't remember serial when Elecraft went to gold pins, but if they aren't
gold in yours you need to upgrade. If they ARE gold then the connector
probably is not seated properly. There is a lot of good stuff in the
archives about the "pin problem".

The other thing hate to bring up is lightning/static damage. If you can get
to the seller you might want to discuss the problem with him and whether
unit non-professionally repaired/disassembled/reassembled.

73, Guy K2AV

On Sunday, September 18, 2016, G0PNM  wrote:

> Hi all, New to the whole Elecraft scene.
> Just acquired my first K3 and its serial number is 07126.
> I have been experiencing some strange behavior while rotating the VFO 
> whereby the radio would change bands unexpectedly. On occasions, the 
> rig will jump to a supposed frequency well out of the range of the radio
i.e.
> in
> the VHF bands!
>
> I managed to capture this behavior on my phone and have uploaded it to 
> youtube. The link is here:- https://youtu.be/IILWIe7hPzg 
> 
>
>
> I have waited a long time to get hold of an Elecraft, being my dream 
> radio but its quickly losing its sparkle and I am losing my hair!.
>
> ANY help would be much appreciated. I have only had it a week and I am 
> also emailing the supplier here in the UK.
>
> Thanks
> Pete G0PNM
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.
> nabble.com/K3-Erratic-VFO-behaviour-Switching-bands-and-
> freq-s-tp7622624.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> list: http://www.qsl.net/donate.html Message delivered to 
> k2av@gmail.com 
>


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[Elecraft] K3: 6m EME

[Edward R Cole]

I am QRV for 6m-eme and have worked three stations.
Log link:  http://www.kl7uw.com/eme-status.htm

Running the K3/10 at 1.7w to drive a Kenwood FL-6020 driver to 11w 
into Harris Platinum surplus TV ch.2 amplifier outputting 900w to 
6-element yagi.

Details:  http://www.kl7uw.com/6m.htm

skeds made on Magic Band EME Group 


73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com

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Re: [Elecraft] K3 Erratic VFO behaviour, Switching bands and freq's

[Guy Olinger K2AV]

In the K3 there are a few digital lines from the front panel which carry
multiplexed information to the CPU. The only way I can think of that would
scramble unrelated front panel input according to your report is that the
multiplexed line is malfunctioning and screwing up the data stream into the
cpu. The essential way to do that is a poor connection in the connector
pin/socket between front panel and CPU board.

Don't remember serial when Elecraft went to gold pins, but if they aren't
gold in yours you need to upgrade. If they ARE gold then the connector
probably is not seated properly. There is a lot of good stuff in the
archives about the "pin problem".

The other thing hate to bring up is lightning/static damage. If you can get
to the seller you might want to discuss the problem with him and whether
unit non-professionally repaired/disassembled/reassembled.

73, Guy K2AV

On Sunday, September 18, 2016, G0PNM  wrote:

> Hi all, New to the whole Elecraft scene.
> Just acquired my first K3 and its serial number is 07126.
> I have been experiencing some strange behavior while rotating the VFO
> whereby the radio would change bands unexpectedly. On occasions, the rig
> will jump to a supposed frequency well out of the range of the radio i.e.
> in
> the VHF bands!
>
> I managed to capture this behavior on my phone and have uploaded it to
> youtube. The link is here:-
> https://youtu.be/IILWIe7hPzg 
>
>
> I have waited a long time to get hold of an Elecraft, being my dream radio
> but its quickly losing its sparkle and I am losing my hair!.
>
> ANY help would be much appreciated. I have only had it a week and I am also
> emailing the supplier here in the UK.
>
> Thanks
> Pete G0PNM
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.
> nabble.com/K3-Erratic-VFO-behaviour-Switching-bands-and-
> freq-s-tp7622624.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
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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 k2av@gmail.com 
>


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Re: [Elecraft] KXPD2 paddle problem

[Jim Finan]

Re: Loctite:

I'd suggest Loctite 'Purple' (222). Still accomplishes the task but much easier 
to adjust/disassemble later. Especially important with small fasteners and 
tools.

If you're installing 6mm, 8mm bolts on your car, Blue is likely the best choice.

73,

Jim

Jim Finan
AB4AC ‎
Sent from my BlackBerry 10 smartphone.
  Original Message  
From: K9ZTV
Sent: Saturday, September 17, 2016 8:33 PM
To: Peter LaBissoniere
Cc: Converse, Robert; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KXPD2 paddle problem

Temporary emergency solution: eye-glass kit containing small Phillips 
screwdriver available at any convenience store, airport, hotel, notions 
counter, drug store, etc.

Permanent but removable solution: screw-threads lightly coated with Loctite 
Blue (not Loctite Red).

Kent K9ZTV



> On Sep 17, 2016, at 5:16 PM, Peter LaBissoniere  wrote:
> 
> I have the same issue. I'm thinking the little screws are too small to handle 
> the constant side "attack" pressure of keying from higher up on the posts. 
> I'm afraid I will crack the lexan/plastic if tightened to much and won't help 
> for long anyway. Seems they should have also been secured at the top?
> 
> Sent from my iPhone
> 
>> On Sep 16, 2016, at 1:00 PM, Converse, Robert  
>> wrote:
>> 
>> A few weeks ago there was some discussion regarding the contact posts coming 
>> loose on the KXPD2 paddles. I keep experiencing this problem, and can't keep 
>> the philips screws on the posts tight for long enough to get through a QSO.
>> 
>> I'm reluctant to overtighten the screws or use Loc-tite, and wonder if 
>> anyone has a fix for this problem. I would prefer to avoid loss of use of 
>> the paddles for the two-week round trip time to the factory and back to 
>> Maryland.
>> 
>> Bob, WO3E
>> 
>> 
>> 
>> This e-mail message is intended only for individual(s) to whom it is 
>> addressed and may contain information that is privileged, confidential, 
>> proprietary, or otherwise exempt from disclosure under applicable law. If 
>> you believe you have received this message in error, please advise the 
>> sender by return e-mail and delete it from your mailbox. Thank you.
>> 
>> __
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Re: [Elecraft] Elecraft K3s transceiver blocked MCU LD

[Dick Dievendorff]

To restore the firmware, follow the procedure in K3 Utility Help, 
Troubleshooting, MCU Boot Loader.

That should get past the MCU LD on the LCD screen.

73 de Dick, K6KR


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of German 
Duran
Sent: Sunday, September 18, 2016 09:38
To: elecraft@mailman.qth.net
Subject: [Elecraft] Elecraft K3s transceiver blocked MCU LD

Dear friends: My new Elecraft K3s is blocked.
When I open the box, connect power supply, in the display appear HIGH SIG.
It was not possible HIGH SIG dissapear, I tapped CONFIG, I looging for a 
solution and nothing.
I want resetting the radio hold in shift knob while pressing power on switch 
unit and now the radio shows MCU LD, and is totally blocked.
I didn´t save the original configuration from factory before to start 
configuratio.
There is not  possible communication between radio and computer.

What can I do?

German HK3J
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[Elecraft] Elecraft K3s transceiver blocked MCU LD

[German Duran]

Dear friends: My new Elecraft K3s is blocked.
When I open the box, connect power supply, in the display appear HIGH SIG.
It was not possible HIGH SIG dissapear, I tapped CONFIG, I looging for a
solution and nothing.
I want resetting the radio hold in shift knob while pressing power on
switch unit and now the radio shows MCU LD, and is totally blocked.
I didn´t save the original configuration from factory before to start
configuratio.
There is not  possible communication between radio and computer.

What can I do?

German HK3J
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[Elecraft] K3 Erratic VFO behaviour, Switching bands and freq's

[G0PNM]

Hi all, New to the whole Elecraft scene. 
Just acquired my first K3 and its serial number is 07126. 
I have been experiencing some strange behavior while rotating the VFO
whereby the radio would change bands unexpectedly. On occasions, the rig
will jump to a supposed frequency well out of the range of the radio i.e. in
the VHF bands! 

I managed to capture this behavior on my phone and have uploaded it to
youtube. The link is here:- 
https://youtu.be/IILWIe7hPzg   


I have waited a long time to get hold of an Elecraft, being my dream radio
but its quickly losing its sparkle and I am losing my hair!.

ANY help would be much appreciated. I have only had it a week and I am also
emailing the supplier here in the UK.

Thanks
Pete G0PNM



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Re: [Elecraft] WSJT-X and K3S Tx

[Kevin]

Both Rich and Don have given good advice.

Make sure the U7 or onboard NVIDIA sound device is set as default so you 
don't broadcast windows sounds. Make sure the USB Audio Codec Speaker 
and Mic are enabled but not set as default. In the WSJT software select 
the USB Audio Codec as the sound device for line in (Microphone) and 
line out (Speaker) respectively. Set mic gain levels on the K3s so you 
get four solid bars and an occasional flicker of the fifth on the ALC 
when transmitting. Set the K3s line in level to achieve a medium blue 
background on the waterfall. Use the K3s power control to adjust output 
power.


I'm not quite sure what the tune function in the software is about. What 
does the K3s SWR meter say? Is the tune button in the software supposed 
to kick the K3s into transmit and not doing it? The tune button on the 
K3s only controls the internal tuner or the outboard KAT500 and neither 
will "tune" unless a certain SWR threshold is met.


If you're transmitting signals and receiving them and neither is over 
driven quit messing with it.



On 9/18/2016 9:20 AM, Richard Ferch wrote:

1. The U7 is not on COM3. Sound cards do not use serial ports. Perhaps COM3
is a virtual COM port created by LP-Bridge, or perhaps COM3 is the K3S's
USB serial port, and COM7 is a virtual port created by LP-Bridge that you
connect other software to. You need to get this straight for other reasons,
but it has nothing to do with the audio issues with WSJT-X

2. Your default sound devices should be set to the motherboard sound card.
That is where Windows sounds are sent, YouTube audio and other media player
stuff goes, etc., and you don't want any of that stuff going to the sound
card(s) you use for radio, much less to the sound card you use with LP-PAN.

3. In WSJT-X, in the File > Settings menu under the Audio tab, set the
Input and Output sound cards to the ones you are using for sound card modes
- most likely the USB Audio CODEC in the K3S, unless you have chosen to
bypass it and use an external sound card plugged into the Line In jack on
the K3S, which disables the K3S's internal sound card. If you are using the
U7 with LP-PAN for panadapter software, it is *not* the sound card you are
using for sound card modes, and it should *not* be connected to the K3S's
Line In jack - it should be connected directly to the LP-PAN. In that case,
WSJT-X should be set to use the USB AUDIO CODEC and there should be nothing
connected to the K3S's Line In jack.

4. The ATU on the K3S is not triggered by a transmitted signal, whether
from WSJT-X or elsewhere. It is not auto-tune in that sense; it is
auto-tuning based on frequency memories, which is what the KAT500 calls MAN
mode. It will automatically switch to the last setting used on that band
segment with that antenna output (ANT1 or ANT2). Once you have tuned the
ATU once with your antenna for a particular frequency, that should be good
enough from then on. If your antenna's SWR changes dramatically because of
weather conditions, e.g. ice on the antenna, you tune the K3S's ATU using
the ATU TUNE button on the K3S. Therefore an extra 2-second tune signal
between band hops does not do anything useful, other than give you a
2-second advance notice of the SWR.

5. When the K3S's meter is in ALC mode, it does not show the transmitted
power. You have to put it into PWR mode with the METER button. The TUNE
button switches from ALC to PWR mode automatically, but transmitting
normally does not do this.

73,
Rich VE3KI
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--
R. Kevin Stover
AC0H
ARRL
FISTS #11993
SKCC #215
NAQCC #3441


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Re: [Elecraft] WSJT-X and K3S Tx

[Don Wilhelm]

An additional "By The Way" comment - Windows normally sets the last 
installed soundcard as the default.  Your U7 soundcard was likely set to 
be default when it was installed.
You can set the default back to the internal soundcard (the NVIDIA) if 
you are trying to use the U7 with LP-Pan2.


73,
Don W3FPR

On 9/18/2016 9:40 AM, MaverickNH wrote:

Kevin,

I do find the Serial Port for the K3S as COM7, and also have a ASUS Xonar U7
external card on COM3, running through a LP-PAN2 I'm also working to
configure. That's a somewhat separate topic.

I have several sound cards, it seems. My Windows 10 PC Device Manager lists:
High Definition Audio Device
NVIDA High Definition Audio Device (from a G-Force audio/video card, 4
separate lines in Device Manager)
NVIDA Virtual Audio Device (that NVIDA card again)
USB Audio CODEC (likely the K3S)
Xonar U7 (an external card)

At present, my default devices are:
Playback - Headphones Xonar U7
Recording - Line Xonar U7




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Re: [Elecraft] WSJT-X and K3S Tx

[Don Wilhelm]

Bret,

Do not set the K3S CODEC to be the default soundcard - the default 
soundcard will be the one that plays sounds from the OS (Windows 
Sounds), and those sounds should not be transmitted on the air.


The "Recording" setting level is audio from the K3S to the computer (not 
K3S recording).  Use that level as well as the K3S LINE OUT level to 
adjust the waterfall display brightness.


Look at those soundcard settings (Input and Output) from the perspective 
of the computer and not the K3S.
Even though the soundcard is in the K3S, it is still the "property" of 
the computer - the same as any other external soundcard.


73,
Don W3FPR

On 9/18/2016 9:40 AM, MaverickNH wrote:

I see the USB Audio CODEC as, not default, but "Ready" under:
Playback - Speakers 3 - USB Audio CODEC
Recording - Microphone  3 - USB Audio CODEC

When WSJT-X/WSPR-2 Mode is TXing (both the full 2min WSPR-2 mode TX and the
short 2-3sec tune-up TX tone), I see some bars turn green to the right of
the Playback - Speakers 3 - USB Audio CODEC entry, suggesting the the K3S
card is enabled, despite the Xonar U7 setting as default.

As Don suggests, I went to the K3S Playback - Speakers 3 - USB Audio CODEC
and saw the Level was 100%, so I cut that back to 20%, which gives ALC 4
bars with flickering 5 bars. Advanced Tab shows format to be 16 bit, 44100
Hz (CD Quality). Unlike the Xonar U7 card, there is no 192 KHz option.

For the K3S Recording - Microphone  3 - USB Audio CODEC I have that set at
50%. That slider and the WSJT-X slider for digital gain are interactive. I
can set the max on the PC and back it down on the app, or lower on the PC
and bump it up on the app.




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Re: [Elecraft] WSJT-X and K3S Tx

[Richard Ferch]

1. The U7 is not on COM3. Sound cards do not use serial ports. Perhaps COM3
is a virtual COM port created by LP-Bridge, or perhaps COM3 is the K3S's
USB serial port, and COM7 is a virtual port created by LP-Bridge that you
connect other software to. You need to get this straight for other reasons,
but it has nothing to do with the audio issues with WSJT-X

2. Your default sound devices should be set to the motherboard sound card.
That is where Windows sounds are sent, YouTube audio and other media player
stuff goes, etc., and you don't want any of that stuff going to the sound
card(s) you use for radio, much less to the sound card you use with LP-PAN.

3. In WSJT-X, in the File > Settings menu under the Audio tab, set the
Input and Output sound cards to the ones you are using for sound card modes
- most likely the USB Audio CODEC in the K3S, unless you have chosen to
bypass it and use an external sound card plugged into the Line In jack on
the K3S, which disables the K3S's internal sound card. If you are using the
U7 with LP-PAN for panadapter software, it is *not* the sound card you are
using for sound card modes, and it should *not* be connected to the K3S's
Line In jack - it should be connected directly to the LP-PAN. In that case,
WSJT-X should be set to use the USB AUDIO CODEC and there should be nothing
connected to the K3S's Line In jack.

4. The ATU on the K3S is not triggered by a transmitted signal, whether
from WSJT-X or elsewhere. It is not auto-tune in that sense; it is
auto-tuning based on frequency memories, which is what the KAT500 calls MAN
mode. It will automatically switch to the last setting used on that band
segment with that antenna output (ANT1 or ANT2). Once you have tuned the
ATU once with your antenna for a particular frequency, that should be good
enough from then on. If your antenna's SWR changes dramatically because of
weather conditions, e.g. ice on the antenna, you tune the K3S's ATU using
the ATU TUNE button on the K3S. Therefore an extra 2-second tune signal
between band hops does not do anything useful, other than give you a
2-second advance notice of the SWR.

5. When the K3S's meter is in ALC mode, it does not show the transmitted
power. You have to put it into PWR mode with the METER button. The TUNE
button switches from ALC to PWR mode automatically, but transmitting
normally does not do this.

73,
Rich VE3KI
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Re: [Elecraft] WSJT-X and K3S Tx

[MaverickNH]

Kevin,

I do find the Serial Port for the K3S as COM7, and also have a ASUS Xonar U7
external card on COM3, running through a LP-PAN2 I'm also working to
configure. That's a somewhat separate topic.

I have several sound cards, it seems. My Windows 10 PC Device Manager lists:
High Definition Audio Device
NVIDA High Definition Audio Device (from a G-Force audio/video card, 4
separate lines in Device Manager)
NVIDA Virtual Audio Device (that NVIDA card again)
USB Audio CODEC (likely the K3S)
Xonar U7 (an external card)

At present, my default devices are:
Playback - Headphones Xonar U7
Recording - Line Xonar U7

I see the USB Audio CODEC as, not default, but "Ready" under:
Playback - Speakers 3 - USB Audio CODEC
Recording - Microphone  3 - USB Audio CODEC

When WSJT-X/WSPR-2 Mode is TXing (both the full 2min WSPR-2 mode TX and the
short 2-3sec tune-up TX tone), I see some bars turn green to the right of
the Playback - Speakers 3 - USB Audio CODEC entry, suggesting the the K3S
card is enabled, despite the Xonar U7 setting as default.

As Don suggests, I went to the K3S Playback - Speakers 3 - USB Audio CODEC
and saw the Level was 100%, so I cut that back to 20%, which gives ALC 4
bars with flickering 5 bars. Advanced Tab shows format to be 16 bit, 44100
Hz (CD Quality). Unlike the Xonar U7 card, there is no 192 KHz option.

For the K3S Recording - Microphone  3 - USB Audio CODEC I have that set at
50%. That slider and the WSJT-X slider for digital gain are interactive. I
can set the max on the PC and back it down on the app, or lower on the PC
and bump it up on the app.

Unlike when I was using a FT-897D, the short 2-3sec TUNE tone between band
hops doesn't trigger the ATU when set to AUTO (I'm running 5.0W). Nor is the
ATU triggered when in the 2min WSPR-2 mode TX cycle. With WSJT-X TX, the K3S
red TX LED lighs, and now I see ALC bars, but no power indication as when
pressing the K3S TUNE button. But I my WSPR-2 mode TX is being heard and
logged in WSPRnet (N4SRN) so there is RF power out.



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Re: [Elecraft] WSJT-X and K3S Tx

[MaverickNH]

Hi Bill - We might be talking two different things. WSPR & WSJT-X have an
option under band hopping to send a 2-3 second tune signal before each RX so
that an ATU can recall the tune parameters for that frequency from memory.
That's not happening for me.

Bret/N4SRN



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[Elecraft] KXPA100 no more output on 20m

[christian Gondard]

Hello

I have just discovered that I have a trouble with my KXPA100 on 20m, and 
only on this band.


The set up is a KX3 connected to the KXPA100 using the internal ATU of 
the KXPA100 ; the fault occurs on the usual antenna (a 2x20 doublet + 
450 ohms ladder line) or with a 50 ohms dummy load. The KXPA100 settings 
are : ANT1, Mode = Man


My first investigations are :

1. I can get 10 watts or under by selecting the power from the KX3 (in
   this range the KXPA100 is by passed)
2. when I select the next power setting (11 watts), the output power
   goes to 0 on the KXPA100 ; on a separate RX (my old K2) I can hear a
   signal coming from the KX3, but weaker than when the kx3 is alone
   under 10 watts ; the drain current for the KXPA100 on 20m is roughly
   the same as for other bands : 7 amps for 30w, 11 amps for 60w, but
   no RF output on 20m
3. when I bypassed the KXPA100, I can get up to 15 watts from the KX3
   alone, so the KX3 seems OK
4. when I try to use the KXPA100 above 10 watts, the green TX is ON as
   for other bands, and other LED are in same status as for other bands


Using the KXPA100 utility, I can see that :

1. when I send an ATU TUNE, the KXPA100 ATU finds a 1.3 SWR on the KX3
   panel and 1.1 on the KXPA100 utility (C= 0pf and 1480 nH) and the
   25w LED lights as for other bands ; the kx3 power at this moment is 5w
2. when I try to TX, the kx3 sent power is coherent with the requested
   KXPA100 power (from 1 to 4 watts), but the SWR goes high (more 5 and
   fluctuating ) forward and reflected powers are 0, and dissipated
   power is high : 130 w !!

Before calling the elecraft support , does somebody has a good idea ?

Tnx in advance

Chris / F6FTB





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