[Elecraft] WTB: K60XV kit for my K2

[John Arnold]

Hi agn,

I’m looking for an unbuilt K60XV kit for my K2. I had one reply but no further 
contact. 

73, John WA6YSY in  W Washington state

Sent from my iPhone
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[Elecraft] For saleÑ K3s and Panadapter P3

[German Duran]

I have my K3s S/N 10972 and Panadapter P3 for sale because I want to buy
the Elecraft K4. Recently in september 2019 has been calibrated and updated at
the factory by Elecraft Tech Service (Doug). Non smoking environment.


This K3s is fully loaded (except no 2M) and contains the following:


Elecraft K3s SN# 10972

100W upgrade for K3s factory installed

Installed in radio:

KAT3A, E850323 Standard 5 ppm Oscillator.

KDVR3

Filters 1.8k, 2.1k, 250, 400 and 2.8k.


Subreceiver

KRX3A-F K3s 2nd RX factory installed.

KFL3A-2.8_2.7SWAP-F 2.8 for 2.7 KHz swap, factory installed.

KFL3A-2.1K-IR-F 2.1 KHz 8 pole roofing filter, factory installed.

KFL3A-1.8K-IR-F 1.8 KHz 8 pole roofing filter factory installed.

KFL3A-250-IR-F K3s 250, 8 pole Filter. Factory installed

KFL3C-200-F 200 Hz, 6-pole roofing filter (CW/Data), installed.


5 filters in receiver and 5 filters in subreceiver.

Price U. S. $ 3.000


I also sell my Panadapter P3.

Very good condition If you buy me the K3s, the Panadapter P3 at US $ 500.


K3s plus Panadapter $ 3,500 plus shipping


Pictures upon request.


Germán HK3J
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Re: [Elecraft] K2 power problem with FT8

[Don Wilhelm]

I should add that you should drive the K2 audio sufficiently, then 
adjust the power knob for the desired power output.
Attempting to use the audio level to adjust the power output will result 
in "Power Hunting" and could be the cause of some of your problems.
The proper audio level for the K2 can be determined by watching the ALC 
indication on the LED bargraph.  Set the DISPLAY to indicate ALC, then ---
Increase the audio until you have the rightmost bar flashing, and then 
reduce the audio until it just goes out.


The K2 gain may be different for each band due to changing gain in the 
RF Chain with frequency.  So you may have to adjust the audio level for 
each band.


If you are using SSB mode, make certain that SSBC is set to 1-1 to 
assure no compression.  You can turn the RTTY filter set on and align 
that filter set.  The SSBC setting is independent of that used for SSB 
so you can leave your SSB compression setting in place.


73,
Don W3FPR
---
How old is this K2? Those K2s with Serial Numbers below 2560 have the 
original IF crystals. You will achieve a flatter passband if the 
crystals on the KSB2 board (and the RF Board) are replaced with the 
upgrades crystals.


If your KSB2 card is older, check the resistors on that board against 
the newer schematic to be certain the PSK mod has been added to that 
option board.


Make certain the filter alignment is done correctly and that the OP1 
filter is selected for the FL1 filter.


Do a complete filter alignment using a visual aid like an audio spectrum 
analyzer like Spectrogram running on your computer and a broadband noise 
source (like the Elecraft N-Gen) connected to the K2 antenna. You can 
find Spectrogram on my website www.w3fpr.com - scroll down on the home 
page to near the end.


Don't overlook the possibility that your soundcard may not be producing 
a flat response.


73,
Don W3FPR

On 12/3/2019 3:22 AM, Markku Siipola wrote:
I have started to use my K2 for FT8, with the KIO2 digital interface 
and the SSB-module. My sound card is connected to the hear phone and 
microfon connections. Software WSJT-X, JTAlert and DXLab commander.


On 80m and 40m all is ok, but not on the higher bands. For example on 
20 m, the power is reduce very much for certain LF frequences. I 
tested this by using the TUNE function in WSJT-X and changing the TX 
frequence.



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Re: [Elecraft] K2 power problem with FT8

[Don Wilhelm]

How old is this K2?  Those K2s with Serial Numbers below 2560 have the 
original IF crystals.  You will achieve a flatter passband if the 
crystals on the KSB2 board (and the RF Board) are replaced with the 
upgrades crystals.


If your KSB2 card is older, check the resistors on that board against 
the newer schematic to be certain the PSK mod has been added to that 
option board.


Make certain the filter alignment is done correctly and that the OP1 
filter is selected for the FL1 filter.


Do a complete filter alignment using a visual aid like an audio spectrum 
analyzer like Spectrogram running on your computer and a broadband noise 
source (like the Elecraft N-Gen) connected to the K2 antenna.  You can 
find Spectrogram on my website www.w3fpr.com - scroll down on the home 
page to near the end.


Don't overlook the possibility that your soundcard may not be producing 
a flat response.


73,
Don W3FPR

On 12/3/2019 3:22 AM, Markku Siipola wrote:
I have started to use my K2 for FT8, with the KIO2 digital interface and 
the SSB-module. My sound card is connected to the hear phone and 
microfon connections. Software WSJT-X, JTAlert and DXLab commander.


On 80m and 40m all is ok, but not on the higher bands. For example on 20 
m, the power is reduce very much for certain LF frequences. I tested 
this by using the TUNE function in WSJT-X and changing the TX frequence.



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[Elecraft] K3 Parts For Sale

[ockmrzr]

I recently purchased a used K3 and decided to upgrade it.  I now have a few
spare parts I would like to sell.

 

2x - KSYN3 synthesizer module

1x - KIO3A (3 board set) I/O interface

1x - KXV3A Transverter Interface

2x - KFL3A-1.8, 1.8 kHz Roofing Filter

2x - KFL3A-500, 500 Hz CW/DATA Roofing Filter

 

If you are interested in purchasing any or all, please email me directly at
n...@arrl.net   for details.

 

73 de Bruce, N7TY

Yuma, AZ

www.qsl.net/n7ty  

 

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Re: [Elecraft] K3 CW Problem

[Bob McGraw]

Victor's point is a good one.  Thus the question are you working full 
QSK or semi-QSK?   If the  TX Delay is long,  default is about 8 ms as I 
recall,  it will put in the required space for the correct timing to key 
an external amplifier.  This can occur between every CW element in QSK 
mode.    Also there is a Menu value for higher speed CW as opposed to 
what us old slow folks use.


73

Bob, K4TAX

On 12/3/2019 3:33 PM, Victor Rosenthal 4X6GP wrote:

Do you have CONFIG:TX DELAY set higher than 8 or 10?

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 03/12/2019 18:38, Keith Lamonica wrote:
Am I just missing a setting.  With my K3 CW is fine up to about 
23wpm. Any higher speed results in just spacing change In


e.g.

I have n1mm cw working fine ….… keyboard on software sends qrq fine … 
n1mm sends qrq fine … paddle is stuck at about 20wpm … if I jack up 
the speed it increases the character speed bust adds a space so speed 
does not do up and it sounds like crap… anything I can do?

John k9dx



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Re: [Elecraft] K2 power problem with FT8

[gt-i]

Make sure you have no equalizing in the audio output somewhere (that is 
important for any transceiver, btw). Also check the SSBA and SSBC 
options in the menu, maybe the selected compression ratio is not ideal 
for FT8.  See KSB2 manual regarding "PowerControl and ALC".


You could test this with one of the many function generators available 
as an app on your smartphone.


This does not explain the band dependency, though. Maybe 80/40 are tuned 
good enough to easily achieve the power levels, while the upper bands 
are a bit more fragile to produce full output, if not tuned 100% correctly.


73/55 Gernot DF5RF


Am 03.12.2019 um 09:22 schrieb Markku Siipola:
I have started to use my K2 for FT8, with the KIO2 digital interface 
and the SSB-module. My sound card is connected to the hear phone and 
microfon connections. Software WSJT-X, JTAlert and DXLab commander.


On 80m and 40m all is ok, but not on the higher bands. For example on 
20 m, the power is reduce very much for certain LF frequences. I 
tested this by using the TUNE function in WSJT-X and changing the TX 
frequence.


LF    Power

400    7
500    3
600    3
700    4
800    7
900    7
1000    7
1100    7
1200    7
1300    4
1400    2
1500    1 <---
1600    1 <---
1700    2
1800    3
1900    5
2000    7

The same problem is also on the remaining high bands

What can be wrong?

73 de SM5FLM



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Re: [Elecraft] K3 CW Problem

[Victor Rosenthal 4X6GP]

Do you have CONFIG:TX DELAY set higher than 8 or 10?

73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 03/12/2019 18:38, Keith Lamonica wrote:
Am I just missing a setting.  With my K3 CW is fine up to about 23wpm. 
Any higher speed results in just spacing change


e.g.

I have n1mm cw working fine ….… keyboard on software sends qrq fine … 
n1mm sends qrq fine … paddle is stuck at about 20wpm … if I jack up 
the speed it increases the character speed bust adds a space so speed 
does not do up and it sounds like crap… anything I can do?

John k9dx



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Re: [Elecraft] K3 CW Problem

[Keith Lamonica]

It turns out this did not solve my problem after all.

On 12/3/2019 9:38 AM, Keith Lamonica wrote:
Am I just missing a setting.  With my K3 CW is fine up to about 23wpm. 
Any higher speed results in just spacing change


e.g.

I have n1mm cw working fine ….… keyboard on software sends qrq fine … 
n1mm sends qrq fine … paddle is stuck at about 20wpm … if I jack up 
the speed it increases the character speed bust adds a space so speed 
does not do up and it sounds like crap… anything I can do?

John k9dx


--
Keith E. Lamonica
ke...@lamonica.com
www.w7dxx.com
C6ADX - - YI9DXX - - Z88Z
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Re: [Elecraft] K3 CW Problem

[Bob McGraw K4TAX]

Sounds as though the paddle contacts need cleaning as well as the connector on 
the rear.  

Bob, K4TAX


Sent from my iPhone

> On Dec 3, 2019, at 11:38 AM, Keith Lamonica  wrote:
> 
> Am I just missing a setting.  With my K3 CW is fine up to about 23wpm.  Any 
> higher speed results in just spacing change
> 
> e.g.
> 
> I have n1mm cw working fine ….… keyboard on software sends qrq fine … n1mm 
> sends qrq fine … paddle is stuck at about 20wpm … if I jack up the speed it 
> increases the character speed bust adds a space so speed does not do up and 
> it sounds like crap… anything I can do?
> John k9dx
> 
> -- 
> Keith E. Lamonica
> ke...@lamonica.com
> www.w7dxx.com
> C6ADX - - YI9DXX - - Z88Z
> __
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[Elecraft] K3 CW Problem

[Keith Lamonica]

Am I just missing a setting.  With my K3 CW is fine up to about 23wpm.  
Any higher speed results in just spacing change


e.g.

I have n1mm cw working fine ….… keyboard on software sends qrq fine … n1mm 
sends qrq fine … paddle is stuck at about 20wpm … if I jack up the speed it 
increases the character speed bust adds a space so speed does not do up and it 
sounds like crap… anything I can do?
John k9dx

--
Keith E. Lamonica
ke...@lamonica.com
www.w7dxx.com
C6ADX - - YI9DXX - - Z88Z
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Re: [Elecraft] K3s WSJT-x V2.1.2 no vox

[Bob McGraw K4TAX]

Glad to share what I've learned. Thank you. 

73
Bob, K4TAX


Sent from my iPhone

> On Dec 3, 2019, at 11:00 AM, David Thompson  wrote:
> 
> 
>> On Dec 3, 2019, at 07:20, Bob McGraw K4TAX  wrote:
>> 
>> If the WSJT Tune frequency is 1500 Hz, there is a beating between 1500 and 
>> the refresh rate of the ALC displayed value. Simply move the TX audio 
>> frequency up or down to eliminate this.  Makes for MUCH easier adjustment of 
>> audio levels. 
> 
> 
> Bob,
> 
> I’m filing this away for safe keeping! That’s a bit of a gem in my book.
> 
> Thanks and 73 de AG7TX...
> 
> David Thompson, AG7TX
> Jack of All Trades
> Master of None
> dbthomp...@me.com
> 
> 
> 
> 


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Re: [Elecraft] K3s WSJT-x V2.1.2 no vox

[David Thompson via Elecraft]

> On Dec 3, 2019, at 07:20, Bob McGraw K4TAX  wrote:
> 
> If the WSJT Tune frequency is 1500 Hz, there is a beating between 1500 and 
> the refresh rate of the ALC displayed value. Simply move the TX audio 
> frequency up or down to eliminate this.  Makes for MUCH easier adjustment of 
> audio levels. 


Bob,

I’m filing this away for safe keeping! That’s a bit of a gem in my book.

Thanks and 73 de AG7TX...

David Thompson, AG7TX
Jack of All Trades
Master of None
dbthomp...@me.com



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Re: [Elecraft] K3s WSJT-x V2.1.2 no vox

[Bob McGraw K4TAX]

There were known changes in the version up to resolve a bug in a previous 
version. 

If the WSJT Tune frequency is 1500 Hz, there is a beating between 1500 and the 
refresh rate of the ALC displayed value. Simply move the TX audio frequency up 
or down to eliminate this.  Makes for MUCH easier adjustment of audio levels. 

73
Bob, K4TAX


Sent from my iPhone

> On Dec 3, 2019, at 9:41 AM, cx...@4email.net wrote:
> 
> Hola Bob and Jim,
> 
> I checked all settings, I had not clicked on "Tune".
> Computer sound settings were all good. Mic and spkr USB both on Audio codex.
> Changed from Vox to CAT as per Bob's advice.
> 
> Still nothing until I changed the 'power slider' in WSJT-x to 100% vs
> 50. Then got 8 barschanged to about 70% and got five bars with fifth
> flickering, although sometimes all five would momentarily blink off for
> less than one sec, then come back.
> 
> Also discovered that had to make adjustments to power slider in software
> whenever I changed bands. K3s Mic gain set at 39,up from original 30 to
> get proper ALC.
> 
> Strange, all of this due to update to v 2.1.2.
> 
> Tnx for all the suggestions, at least back in operation.
> 
> 73
> Tom
> HP1XT
> 
>> On 2/12/2019 2:24 PM, Jim Rhodes wrote:
>> And make sure that your operating system has not changed your sound
>> device settings. Win 10 is bad about that (ask me how I know!)
>> 
>> On Mon, Dec 2, 2019 at 12:24 PM Bob McGraw K4TAX > > wrote:
>> 
>>Add to my earlier.  You may need to adjust levels as previous
>>version and this one will be different.
>> 
>>Also suggest you use CAT control and not VOX as CAT is not affected
>>by audio levels.
>> 
>>73
>>Bob, K4TAX
>> 
>> 
>>Sent from my iPhone
>> 
>>> On Dec 2, 2019, at 11:23 AM, cx...@4email.net
>> wrote:
>>> 
>>> Hola,
>>> 
>>> Problem with keying the VOX on the K3s with new install. Select
>>"Tune",
>>> it turns red but xmtr does not key VOX.
>>> 
>>> Never had this problem with v 2.0.0. Double checked USB audio
>>codex for
>>> both speaker and microphone. Parameters checked for Radio tab, K3s,
>>> using usb from KIO3 to computer, com4 (doublechecked Device
>>manager for
>>> correct port), VOX tab checked, 38400 and 8-1-none for
>>Data/stop/handshake.
>>> 
>>> Line in selected at 30 on K3s along with Vox gain at 30 (same as
>>> before). K3s mode selected for TX data and Data A menu selected.
>>> Received and decode FT8 no problem, still no xmit with VOX.
>>> 
>>> Do not see where I can go back to v2.0.0 as it no longer appears on
>>> WSJT-x website.
>>> 
>>> Suggestions?
>>> 73
>>> Tom
>>> HP1XT
>>> 
>> 
> 


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Re: [Elecraft] K3s WSJT-x V2.1.2 no vox

[cx7tt]

Hola Bob and Jim,

I checked all settings, I had not clicked on "Tune".
Computer sound settings were all good. Mic and spkr USB both on Audio codex.
Changed from Vox to CAT as per Bob's advice.

Still nothing until I changed the 'power slider' in WSJT-x to 100% vs
50. Then got 8 barschanged to about 70% and got five bars with fifth
flickering, although sometimes all five would momentarily blink off for
less than one sec, then come back.

Also discovered that had to make adjustments to power slider in software
whenever I changed bands. K3s Mic gain set at 39,up from original 30 to
get proper ALC.

Strange, all of this due to update to v 2.1.2.

Tnx for all the suggestions, at least back in operation.

73
Tom
HP1XT

On 2/12/2019 2:24 PM, Jim Rhodes wrote:
> And make sure that your operating system has not changed your sound
> device settings. Win 10 is bad about that (ask me how I know!)
> 
> On Mon, Dec 2, 2019 at 12:24 PM Bob McGraw K4TAX  > wrote:
> 
> Add to my earlier.  You may need to adjust levels as previous
> version and this one will be different.
> 
> Also suggest you use CAT control and not VOX as CAT is not affected
> by audio levels.
> 
> 73
> Bob, K4TAX
> 
> 
> Sent from my iPhone
> 
> > On Dec 2, 2019, at 11:23 AM, cx...@4email.net
>  wrote:
> >
> > Hola,
> >
> > Problem with keying the VOX on the K3s with new install. Select
> "Tune",
> > it turns red but xmtr does not key VOX.
> >
> > Never had this problem with v 2.0.0. Double checked USB audio
> codex for
> > both speaker and microphone. Parameters checked for Radio tab, K3s,
> > using usb from KIO3 to computer, com4 (doublechecked Device
> manager for
> > correct port), VOX tab checked, 38400 and 8-1-none for
> Data/stop/handshake.
> >
> > Line in selected at 30 on K3s along with Vox gain at 30 (same as
> > before). K3s mode selected for TX data and Data A menu selected.
> > Received and decode FT8 no problem, still no xmit with VOX.
> >
> > Do not see where I can go back to v2.0.0 as it no longer appears on
> > WSJT-x website.
> >
> > Suggestions?
> > 73
> > Tom
> > HP1XT
> >
>
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[Elecraft] HI CUR error on 6M

[N3ALN]

 I have a K3 and on 6 meters on FT8 at 100W I get a HI CUR error and not at
95W or less and I have run the K3 utility at re-calibrate the transmitter at
5W and 50W. What else should I do?

thanks

Alan N3ALN



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[Elecraft] HI CUR error

[N3ALN]

I have a K3 and on 6 meters on FT8 at 100W I get a HI CUR error and I have
run the K3 utility at re-calibrate the transmitter at 5W and 50W. What else
should I do?

thanks

Alan N3ALN




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[Elecraft] K2 power problem with FT8

[Markku Siipola]

I have started to use my K2 for FT8, with the KIO2 digital interface and 
the SSB-module. My sound card is connected to the hear phone and 
microfon connections. Software WSJT-X, JTAlert and DXLab commander.


On 80m and 40m all is ok, but not on the higher bands. For example on 20 
m, the power is reduce very much for certain LF frequences. I tested 
this by using the TUNE function in WSJT-X and changing the TX frequence.


LF    Power

400    7
500    3
600    3
700    4
800    7
900    7
1000    7
1100    7
1200    7
1300    4
1400    2
1500    1 <---
1600    1 <---
1700    2
1800    3
1900    5
2000    7

The same problem is also on the remaining high bands

What can be wrong?

73 de SM5FLM



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[Elecraft] HI CUR error

[N3ALN]

I have a K3 and on 6 meters on FT8 at 100W I get a HI CUR error and I have
run the K3 utility at re-calibrate the transmitter at 5W and 50W. What else
should I do?

thanks

Alan N3ALN



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