[Elecraft] K3 Chirp on 6 Meters

[Vic K2VCO]

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/