[Elecraft] K3 with KSYN3A 100Hz spurious

[Ignacy]

At one time my old K3 with 2nd RX had a 20KHz+ wide signal on 80m, which
generated lots of "attention"
since there were two dxpeditions close by and some blamed me for not getting
ATNO. Got a "nice" screenshot from a Flex. Receive was OK. I asked the
Elecraft support for some ideas and there was not a clear answer.

I tested the radio afterwards with an SDR.  The bandwidth was getting
smaller and then everything was normal. Not sure what has happened. It must
have been the transmit path somehow influencing the synthesizer (KSYN3). 

Ignacy NO9E 



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