[Elecraft] K3 Weird Intermittent Problem

[Chester Alderman]

Interesting Mike. I have just recently gotten K3 s/n 8895 and I have noticed
this 'band noise' in about the same 7024 to 7033 area. At first I thought it
was someone trying to tune up on SSB, but the noise was solid for a little
over five minutes and then it disappeared. I basically dismissed it because
I never heard such with my six year old K3 plus I just would not suspect the
K3 would internally produce such! I have heard this K3 'noise' maybe three
times in the month that I've had this one.

Anybody else (especially with the new synthesizer installed) heard this?

73,
Tom - W4BQF


-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Mike
Wetzel
Sent: Sunday, May 3, 2015 10:27 PM
To: Elecraft at mailman.qth.net
Subject: [Elecraft] K3 Weird Intermittent Problem

I was on 40 meter CW Saturday afternoon operating the Indiana QSO Party
mildly, using a low 40 meter dipole and an amp.  This K3 is new to me serial
#8600 range and was on the K1N expedition.  My other (2nd)  K3 is in  #4600
range.  Two times I experienced a broad noise from 7024 to 7033 tuning above
or below this range and the noise disappeared (I did this several times to
confirm).  It sounded like a SSB station splattering.  I had a P3 on and saw
it also.  The 2nd time it happened I had my other K3 on and swapped
frequencies and radios and the noise was not on the 2nd K3, swapping back
and it was on the 1st one again.  This was the first time I have experienced
this but I have only had the new K3 in line for about a week.  I used the
radio maybe 4 times in the last week and did not notice any problem.  I used
the radio the rest of the day and did not notice this behavior again.

 

Any thoughts?

 

Thanks,

 

Mike W9RE

 

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