[Elecraft] K3 AM & FM Proble Firmware 2.67

[Dave G4AON]

John, the AM has been hopeless since a firmware change a little while
back. It's supposed to be on the "to do" list. I used to occasionally
join one of the AM nets that run on 80m, since the later firmware it's
been too embarrassing!

There are a few items still outstanding on the K3, the lack of
compression on AM, the sloppy power control on SSB and the firmware TCXO
temperature calibration routine.

The notch filter needs work too, in comparison to my SDR it's very poor.
20 Hz steps and too wide...

73 Dave, G4AON
K3/100 #80, f/w 2.76
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I've just updated my firmware to 2.67.
I now have no compressor available on AM and the audio sounds very thin
and low - very similar to that on FM.