[Elecraft] K3 bad TX

[David Gilbert]

I don't understand ... if you used two different K3's and the same amp 
(I assume for both K3's), how does that remove the amp as a possible 
cause of the spurs?  I don't think you narrow anything down to the K3 
until you check the results into a dummy load.  If you have two K3's, 
transmit into a dummy load with one while you check for spurs with the 
other.

73,
Dave   AB7E



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
>>     
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>