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Micom crystal HF radio squelch info...
Posted: Wed Nov 15, 2006 1:22 pm
by telemetryguy
Does anyone know if the squelch in the early Micom radios (the 10 channel A/B, models), is a true "voice-squelch" or just an AGC actuated squelch?
It sure gets tiresome listening to the noise on 40 meters all day.
Thanks folks,
Telemetryguy
Posted: Wed Nov 15, 2006 6:48 pm
by Dan562
The original (crystal controlled) Micoms utilyzed the "Voice Squelch" modules. The only thing I felt was that engineering should have used a slightly larger value Squelch potentiometer. Years later I incorporated one of these modules on an older Kenwood TS520 transceiver and it worked fairly well.
Posted: Wed Nov 15, 2006 8:37 pm
by phrawg
yes, these series had quite an effective voice pattern
recognition squelch system. I have owned several of them
in a desktop consolette configuration and that was one of their
best features. It would ignore 95% of a lightning storm
going on nearby but open on a voice pattern with no
hesitation at all. Phrawg