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K3 Chirp on 6 Meters

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Peter Chamalian

K3 Chirp on 6 Meters

If you have operated 6 meter CW and had a report of a chirp, I'd appreciate
hearing about it.

I had several of them and my K3 is back at Elecraft right now for service,
but they are not able to reproduce the problem. I know there is a mod for
the synthesizer board and that was made without solving the problem. No,
it's not my power supply either - a big 50 amp Astron provides 13.77 volts
key up and 13.74 volts key down. It's not RF because when I got the report
I reduced power (external amp off) down to the point where the station could
not copy me and the chirp was still there.

The strange thing is I had a local listen to my signal and it was clean. At
a later time, two reports (one from eastern MA the other from SC and I'm in
central CT) said I had a chirp. In both cases I had been on 6 for a while.

Is it frequency dependent? Is it heat dependent?

Again, I would appreciate hearing from you if you have had reports of a
chirp on 6 meters - what frequency were you on at the time? How long had
you been operating (was the rig getting warm?) or any other observation that
might help to pinpoint a way of duplicating the problem.

Thanks!

Pete, W1RM

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Re: K3 Chirp on 6 Meters

Peter, I have operated 6 meter CW and I have not had a report of chirp. I have heard some signals that sound a bit strange because of propagation anomalies. I have no way of knowing if this is your problem, but recently licensed hams have not heard the chirps that were common in the 50s and earlier so do not assume that the reports are really valid. Good luck!

Willis 'Cookie' Cooke
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart

________________________________
From: Peter Chamalian <[hidden email]>
To: [hidden email]
Sent: Sunday, August 12, 2012 7:37 AM
Subject: [Elecraft] K3 Chirp on 6 Meters

If you have operated 6 meter CW and had a report of a chirp, I'd appreciate
hearing about it.

I had several of them and my K3 is back at Elecraft right now for service,
but they are not able to reproduce the problem. I know there is a mod for
the synthesizer board and that was made without solving the problem. No,
it's not my power supply either - a big 50 amp Astron provides 13.77 volts
key up and 13.74 volts key down. It's not RF because when I got the report
I reduced power (external amp off) down to the point where the station could
not copy me and the chirp was still there.

The strange thing is I had a local listen to my signal and it was clean. At
a later time, two reports (one from eastern MA the other from SC and I'm in
central CT) said I had a chirp. In both cases I had been on 6 for a while.

Is it frequency dependent? Is it heat dependent?

Again, I would appreciate hearing from you if you have had reports of a
chirp on 6 meters - what frequency were you on at the time? How long had
you been operating (was the rig getting warm?) or any other observation that
might help to pinpoint a way of duplicating the problem.

Thanks!

Pete, W1RM

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Peter Chamalian

Re: K3 Chirp on 6 Meters

Thanks Cookie - the two hams who reported the chirp are long-time CW
operators who I've known for many years so I trust their feedback. In a
separate case again the op reporting the chirp is a long-time CW op too.

Could this be some anomaly of propagation? That would be very odd indeed.

Thanks again!

Pete, W1RM

From: WILLIS COOKE [mailto:[hidden email]]
Sent: Sunday, August 12, 2012 9:14 AM
To: Peter Chamalian; [hidden email]
Subject: Re: [Elecraft] K3 Chirp on 6 Meters

Peter, I have operated 6 meter CW and I have not had a report of chirp. I
have heard some signals that sound a bit strange because of propagation
anomalies. I have no way of knowing if this is your problem, but recently
licensed hams have not heard the chirps that were common in the 50s and
earlier so do not assume that the reports are really valid. Good luck!

Willis 'Cookie' Cooke
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart

_____

From: Peter Chamalian <[hidden email]>
To: [hidden email]
Sent: Sunday, August 12, 2012 7:37 AM
Subject: [Elecraft] K3 Chirp on 6 Meters

If you have operated 6 meter CW and had a report of a chirp, I'd appreciate
hearing about it.

I had several of them and my K3 is back at Elecraft right now for service,
but they are not able to reproduce the problem. I know there is a mod for
the synthesizer board and that was made without solving the problem. No,
it's not my power supply either - a big 50 amp Astron provides 13.77 volts
key up and 13.74 volts key down. It's not RF because when I got the report
I reduced power (external amp off) down to the point where the station could
not copy me and the chirp was still there.

The strange thing is I had a local listen to my signal and it was clean. At
a later time, two reports (one from eastern MA the other from SC and I'm in
central CT) said I had a chirp. In both cases I had been on 6 for a while.

Is it frequency dependent? Is it heat dependent?

Again, I would appreciate hearing from you if you have had reports of a
chirp on 6 meters - what frequency were you on at the time? How long had
you been operating (was the rig getting warm?) or any other observation that
might help to pinpoint a way of duplicating the problem.

Thanks!

Pete, W1RM

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vk4tux

Re: K3 Chirp on 6 Meters

In reply to this post by Peter Chamalian

Measuring voltdrop at the supply i.e. 13.77v to 13.74v is irrelevant. Please
tell us what it is at the APP connector or screen (load end) please?

I had several of them and my K3 is back at Elecraft right now for service,
but they are not able to reproduce the problem. I know there is a mod for
the synthesizer board and that was made without solving the problem. No,
it's not my power supply either - a big 50 amp Astron provides 13.77 volts
key up and 13.74 volts key down. It's not RF because when I got the report
I reduced power (external amp off) down to the point where the station could
not copy me and the chirp was still there.

The strange thing is I had a local listen to my signal and it was clean. At
a later time, two reports (one from eastern MA the other from SC and I'm in
central CT) said I had a chirp. In both cases I had been on 6 for a while.

Is it frequency dependent? Is it heat dependent?

Again, I would appreciate hearing from you if you have had reports of a
chirp on 6 meters - what frequency were you on at the time? How long had
you been operating (was the rig getting warm?) or any other observation that
might help to pinpoint a way of duplicating the problem.

Thanks!

Pete, W1RM

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alsopb

Re: K3 Chirp on 6 Meters

In reply to this post by Peter Chamalian

You didn't happen to be using CW in the SSB mode? That is the K3's
ability to allow you to be on SSB, hear a CW signal and call him without
changing mode. This practice is quite useful on 6M.

73 de Brian/K3KO

On 8/12/2012 13:43, Peter Chamalian wrote:

> Thanks Cookie - the two hams who reported the chirp are long-time CW
> operators who I've known for many years so I trust their feedback. In a
> separate case again the op reporting the chirp is a long-time CW op too.
>
>
>
> Could this be some anomaly of propagation? That would be very odd indeed.
>
>
>
> Thanks again!
>
>
>
> Pete, W1RM
>
>
>
> From: WILLIS COOKE [mailto:[hidden email]]
> Sent: Sunday, August 12, 2012 9:14 AM
> To: Peter Chamalian; [hidden email]
> Subject: Re: [Elecraft] K3 Chirp on 6 Meters
>
>
>
> Peter, I have operated 6 meter CW and I have not had a report of chirp. I
> have heard some signals that sound a bit strange because of propagation
> anomalies. I have no way of knowing if this is your problem, but recently
> licensed hams have not heard the chirps that were common in the 50s and
> earlier so do not assume that the reports are really valid. Good luck!
>
>
>
> Willis 'Cookie' Cooke
> K5EWJ& Trustee N5BPS, USS Cavalla, USS Stewart
>
> _____
>
> From: Peter Chamalian<[hidden email]>
> To: [hidden email]
> Sent: Sunday, August 12, 2012 7:37 AM
> Subject: [Elecraft] K3 Chirp on 6 Meters
>
>
> If you have operated 6 meter CW and had a report of a chirp, I'd appreciate
> hearing about it.
>
>
>
> I had several of them and my K3 is back at Elecraft right now for service,
> but they are not able to reproduce the problem. I know there is a mod for
> the synthesizer board and that was made without solving the problem. No,
> it's not my power supply either - a big 50 amp Astron provides 13.77 volts
> key up and 13.74 volts key down. It's not RF because when I got the report
> I reduced power (external amp off) down to the point where the station could
> not copy me and the chirp was still there.
>
>
>
> The strange thing is I had a local listen to my signal and it was clean. At
> a later time, two reports (one from eastern MA the other from SC and I'm in
> central CT) said I had a chirp. In both cases I had been on 6 for a while.
>
>
>
> Is it frequency dependent? Is it heat dependent?
>
>
>
> Again, I would appreciate hearing from you if you have had reports of a
> chirp on 6 meters - what frequency were you on at the time? How long had
> you been operating (was the rig getting warm?) or any other observation that
> might help to pinpoint a way of duplicating the problem.
>
>
>
> Thanks!
>
>
>
> Pete, W1RM
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.2178 / Virus Database: 2437/5195 - Release Date: 08/12/12
>
>

Peter Chamalian

Re: K3 Chirp on 6 Meters

Thanks for the thought, but no I didn't Brian. I'm a 98% CW op (:->).
Besides, you can't key the rig if you're in ssb.

Pete, W1RM

-----Original Message-----
From: Brian Alsop [mailto:[hidden email]]
Sent: Sunday, August 12, 2012 10:09 AM
To: [hidden email]
Subject: Re: [Elecraft] K3 Chirp on 6 Meters

You didn't happen to be using CW in the SSB mode? That is the K3's
ability to allow you to be on SSB, hear a CW signal and call him without
changing mode. This practice is quite useful on 6M.

73 de Brian/K3KO

On 8/12/2012 13:43, Peter Chamalian wrote:

> Thanks Cookie - the two hams who reported the chirp are long-time CW
> operators who I've known for many years so I trust their feedback. In
> a separate case again the op reporting the chirp is a long-time CW op too.
>
>
>
> Could this be some anomaly of propagation? That would be very odd indeed.
>
>
>
> Thanks again!
>
>
>
> Pete, W1RM
>
>
>
> From: WILLIS COOKE [mailto:[hidden email]]
> Sent: Sunday, August 12, 2012 9:14 AM
> To: Peter Chamalian; [hidden email]
> Subject: Re: [Elecraft] K3 Chirp on 6 Meters
>
>
>
> Peter, I have operated 6 meter CW and I have not had a report of
> chirp. I have heard some signals that sound a bit strange because of
> propagation anomalies. I have no way of knowing if this is your
> problem, but recently licensed hams have not heard the chirps that
> were common in the 50s and earlier so do not assume that the reports are

really valid. Good luck!

>
>
>
> Willis 'Cookie' Cooke
> K5EWJ& Trustee N5BPS, USS Cavalla, USS Stewart
>
> _____
>
> From: Peter Chamalian<[hidden email]>
> To: [hidden email]
> Sent: Sunday, August 12, 2012 7:37 AM
> Subject: [Elecraft] K3 Chirp on 6 Meters
>
>
> If you have operated 6 meter CW and had a report of a chirp, I'd
> appreciate hearing about it.
>
>
>
> I had several of them and my K3 is back at Elecraft right now for
> service, but they are not able to reproduce the problem. I know there
> is a mod for the synthesizer board and that was made without solving
> the problem. No, it's not my power supply either - a big 50 amp
> Astron provides 13.77 volts key up and 13.74 volts key down. It's not
> RF because when I got the report I reduced power (external amp off)
> down to the point where the station could not copy me and the chirp was

still there.
>
>
>
> The strange thing is I had a local listen to my signal and it was
> clean. At a later time, two reports (one from eastern MA the other
> from SC and I'm in central CT) said I had a chirp. In both cases I had
been on 6 for a while.

>
>
>
> Is it frequency dependent? Is it heat dependent?
>
>
>
> Again, I would appreciate hearing from you if you have had reports of
> a chirp on 6 meters - what frequency were you on at the time? How
> long had you been operating (was the rig getting warm?) or any other
> observation that might help to pinpoint a way of duplicating the problem.
>
>
>
> Thanks!
>
>
>
> Pete, W1RM
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net Please help support this email
> list: http://www.qsl.net/donate.html
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net Please help support this email
> list: http://www.qsl.net/donate.html
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2012.0.2178 / Virus Database: 2437/5195 - Release Date:
> 08/12/12
>
>

-----
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.2178 / Virus Database: 2437/5195 - Release Date: 08/12/12

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Peter Chamalian

Re: K3 Chirp on 6 Meters

In reply to this post by vk4tux

The voltage read by the internal K3 meter says the voltage drops to 12.6
volts which I reported to the tech's at Elecraft. They did not think it
significant. Also, the problem only has been reported on 6 meters. I'm a
98% Cw operator so if there was a hint of a chirp on the HF bands, it would
have been brought to my attention by those I work regularly.

The power lead I use is the one supplied by Elecraft.

Pete, W1RM

-----Original Message-----
From: Adrian [mailto:[hidden email]]
Sent: Sunday, August 12, 2012 10:04 AM
To: [hidden email]
Subject: Re: [Elecraft] K3 Chirp on 6 Meters

Measuring voltdrop at the supply i.e. 13.77v to 13.74v is irrelevant. Please
tell us what it is at the APP connector or screen (load end) please?

I had several of them and my K3 is back at Elecraft right now for service,
but they are not able to reproduce the problem. I know there is a mod for
the synthesizer board and that was made without solving the problem. No,
it's not my power supply either - a big 50 amp Astron provides 13.77 volts
key up and 13.74 volts key down. It's not RF because when I got the report
I reduced power (external amp off) down to the point where the station could
not copy me and the chirp was still there.

The strange thing is I had a local listen to my signal and it was clean. At
a later time, two reports (one from eastern MA the other from SC and I'm in
central CT) said I had a chirp. In both cases I had been on 6 for a while.

Is it frequency dependent? Is it heat dependent?

Again, I would appreciate hearing from you if you have had reports of a
chirp on 6 meters - what frequency were you on at the time? How long had
you been operating (was the rig getting warm?) or any other observation that
might help to pinpoint a way of duplicating the problem.

Thanks!

Pete, W1RM

______________________________________________________________
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______________________________________________________________
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Vic Rosenthal

Re: K3 Chirp on 6 Meters

In reply to this post by Peter Chamalian

Pete,

The synthesizer issues were frequency-dependent. So if you were using computer logging for
the QSOs when you had the chirp reports, check back for the precise frequency, and tell
Elecraft.

On 8/12/2012 5:37 AM, Peter Chamalian wrote:

> If you have operated 6 meter CW and had a report of a chirp, I'd appreciate
> hearing about it.
>
>
>
> I had several of them and my K3 is back at Elecraft right now for service,
> but they are not able to reproduce the problem. I know there is a mod for
> the synthesizer board and that was made without solving the problem. No,
> it's not my power supply either - a big 50 amp Astron provides 13.77 volts
> key up and 13.74 volts key down. It's not RF because when I got the report
> I reduced power (external amp off) down to the point where the station could
> not copy me and the chirp was still there.
>
>
>
> The strange thing is I had a local listen to my signal and it was clean. At
> a later time, two reports (one from eastern MA the other from SC and I'm in
> central CT) said I had a chirp. In both cases I had been on 6 for a while.
>
>
>
> Is it frequency dependent? Is it heat dependent?
>
>
>
> Again, I would appreciate hearing from you if you have had reports of a
> chirp on 6 meters - what frequency were you on at the time? How long had
> you been operating (was the rig getting warm?) or any other observation that
> might help to pinpoint a way of duplicating the problem.
>
>
>
> Thanks!
>
>
>
> Pete, W1RM

--
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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Peter Chamalian

Re: K3 Chirp on 6 Meters

Interesting. I have them noted and will report to Elecraft when I speak
with them.

Pete, W1RM

-----Original Message-----
From: Vic K2VCO [mailto:[hidden email]]
Sent: Sunday, August 12, 2012 12:33 PM
To: [hidden email]; [hidden email] >> Peter Chamalian W1RM
Subject: Re: [Elecraft] K3 Chirp on 6 Meters

Pete,

The synthesizer issues were frequency-dependent. So if you were using
computer logging for the QSOs when you had the chirp reports, check back for
the precise frequency, and tell Elecraft.

On 8/12/2012 5:37 AM, Peter Chamalian wrote:

> If you have operated 6 meter CW and had a report of a chirp, I'd
> appreciate hearing about it.
>
>
>
> I had several of them and my K3 is back at Elecraft right now for
> service, but they are not able to reproduce the problem. I know there
> is a mod for the synthesizer board and that was made without solving
> the problem. No, it's not my power supply either - a big 50 amp
> Astron provides 13.77 volts key up and 13.74 volts key down. It's not
> RF because when I got the report I reduced power (external amp off)
> down to the point where the station could not copy me and the chirp was

--
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/

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vk4tux

Re: K3 Chirp on 6 Meters

In reply to this post by Peter Chamalian

Well here's the thing. 6m is most current hungry band and the one most
likely to give you current warnings.
I had the same comment for 6m cw chirp with mine.

If you replace the APP connectors and use 10mm^2 cable in short to a close
by solid 15v 30amp supply(I use a sw/mode), the chirp disappears.
Your 3rd order TX IMD improves several to 10dB. The current warnings go
away, The power level issues (starting too low then recovering)
go away, despite all the TX gain calibrations you have tried.

I only really liked my K3 after doing above.

Adrian ... vk4tux

-----Original Message-----
From: Peter Chamalian [mailto:[hidden email]]
Sent: Monday, 13 August 2012 2:26 AM
To: 'Adrian'; [hidden email]
Subject: RE: [Elecraft] K3 Chirp on 6 Meters

The voltage read by the internal K3 meter says the voltage drops to 12.6
volts which I reported to the tech's at Elecraft. They did not think it
significant. Also, the problem only has been reported on 6 meters. I'm a
98% Cw operator so if there was a hint of a chirp on the HF bands, it would
have been brought to my attention by those I work regularly.

The power lead I use is the one supplied by Elecraft.

Pete, W1RM

-----Original Message-----
From: Adrian [mailto:[hidden email]]
Sent: Sunday, August 12, 2012 10:04 AM
To: [hidden email]
Subject: Re: [Elecraft] K3 Chirp on 6 Meters

Measuring voltdrop at the supply i.e. 13.77v to 13.74v is irrelevant. Please
tell us what it is at the APP connector or screen (load end) please?

I had several of them and my K3 is back at Elecraft right now for service,
but they are not able to reproduce the problem. I know there is a mod for
the synthesizer board and that was made without solving the problem. No,
it's not my power supply either - a big 50 amp Astron provides 13.77 volts
key up and 13.74 volts key down. It's not RF because when I got the report
I reduced power (external amp off) down to the point where the station could
not copy me and the chirp was still there.

The strange thing is I had a local listen to my signal and it was clean. At
a later time, two reports (one from eastern MA the other from SC and I'm in
central CT) said I had a chirp. In both cases I had been on 6 for a while.

Is it frequency dependent? Is it heat dependent?

Again, I would appreciate hearing from you if you have had reports of a
chirp on 6 meters - what frequency were you on at the time? How long had
you been operating (was the rig getting warm?) or any other observation that
might help to pinpoint a way of duplicating the problem.

Thanks!

Pete, W1RM

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