[Elecraft] K3 bad TX

Jan Erik Holm sm2ekm at telia.com
Sun Oct 4 11:04:43 EDT 2009


Toni,

Yes you had it on 40m too. Actually on 40m the spur came right
on my frequency and due to that I did notice it. I was going
to let you know but forgot about it.

73 Jim SM2EKM
-----------------------
Toni Lindén wrote:
> I was using SO2R with pair of K3s' and had similar reports with both
> radios, so I guess it's not the amp issue. The bands where I got
> reports were 20M and 15M (on 10M were no propagation and maybe 40M and
> 80M were too noisy to notice the 2nd sigs).
> 
> All antennas are OK and no difference was noted with antennas.
> 
> 73 de Toni, OH2UA
> 
> 
>> Tke the amp out of the equation and see if you still have the issue. Try a
>> different antenna and check the SWR. I would suspect one of those to be the
>> issue. At least it will eliminate some variables.
>>
>> Dan AB3EN
>>
> 
> Toni Lindén wrote:
>> Hi!
>>
>> I was trying K3 for first time in SAC contest a couple of weeks ago.
>>
>> During the contest I got multiple reports that besides of my run
>> frequency, I also had other reasonable strong signals "around the
>> band".
>>
>> It cleared out that I had at least one other signal about 7kHz away
>> from my actual freq. It was quite strong, maybe 40dBs down from my
>> running freq.
>>
>> Have anyone else had similar problems and do you have any suggestion
>> how to fix this?
>>
>> I was using only about 60 to 70 watts drive for the amp and amp was
>> not pushed over. The same appears on both, CW and SSB. Radio has the
>> most resent FWs available via K3 utility SW.
>>
>> I'm planning to take K3 with me to CU2 for CQWW, but after getting
>> such a bad reports about "my 2nd pileup" on the same band, I'm not
>> sure if I'm willing to make such an interference to others on CQWW...
>>
>> So if anyone has any advice, I'm more than pleased to hear!
>>
>>
>> 73 de Toni, OH2UA
> 


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