[amsat-bb] FW: [FWD: RE: Southern CA Satellite Presentations]
jim at k6ccc.org
Tue Jun 28 16:48:00 UTC 2016
First, I said (in part):
>> "If you're not using full duplex, you blindly
>> keep transmitting and creating interference for the rest of the users."
Then skriostof at ... said (in part):
> Not OK. If you're not using full duplex, you LISTEN to see if someone
> answers your call. It is possible to successfully operate without
Not quite. Repeating my situation of three people making a call after the
previous conversation ends.
You are operating full duplex:
You start transmitting, and hear a hetrodyne, and stop transmitting within
a second. Another person successfully makes a call because the hetrodyne
You are not operating fulll duplex:
You start transmitting and speak the callsign of the person you are
calling followed by your own callsign before you unkey. No one is heard
because of the hetrodyne.
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