[Elecraft] K3 bad TX

Geoffrey Mackenzie-Kennedy gm4esd at btinternet.com
Sun Oct 4 10:25:42 EDT 2009


Toni,

Do I understand correctly that the transmitter spur is always about 7 kHz 
away from your actual frequency, regardless of what your actual frequency 
might be? Or does the spacing change when you change the actual frequency by 
say 10 kHz?

73,
Geoff
GM4ESD


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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