Mike,
That problem sounds a bit like the Calibration of the Reference
Oscillator is off a bit. See tha manual and use the Zero-Beating method
as instructed.
There is a chance it will help, but no harm if it does not.
If you did not get the paper manual, download it from Elecraft.
73,
Don W3FPR
On 8/19/2021 3:38 PM, Mike Kholodov via Elecraft wrote:
Hi Al,
I bought it used, so I'm not sure when exactly it started. All SSB stations
are sounding like mistuned ones, no matter how I tune the VFO. Sometimes it's
better (less artifacts) when it is a little bit lower, but it sounds unnatural.
AM seems to be fine. Of course, the first thing I did, I made sure that the EQ
was flat and all DSP I know about was off. No NB, NR or AFX. Currently it
happens only on 20M, 40M seems fine, haven't checked the others yet.
Mike, AB3VN
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