I've done the same thing (full duplex) on the SAME INPUT FREQUENCY! (with no heterodyne, yet!)
I'll let the smart ones think about that for a minute... ... ... Give up? ... One user was TXing FM, and I was TXing SSB. Both audios were quite readable on the repeater. Timing it out was an issue - as was the fact I required his carrier to keep the repeater RX active. Joe M. wb6ymh wrote: > > --- In [email protected], Ken Arck <[EMAIL PROTECTED]> wrote: > > > > At 06:02 PM 11/8/2007, you wrote: > > > > > > > > > > > > > >In practice, this would drive licensees and control ops nuts, > > >because the mobile station's audio would not appear on the repeater > > >output, and anyone monitoring the repeater would only hear the > > >landline party, without the mobile station's side of the call. > > > > <---Not true. At one time in ham repeater history, running full > > IN-BAND duplex was fairly common (how I remember my days with a > > modified Western Telephone "Princess" phone attached to my > > full-duplexed Motrac!). A full duplex AP was quite nice to use! > > > > To this day, I frequently run in-band full duplex. Just sort of an > > old habit :-) > > > > Ken > > And full duplex wasn't limited to autopatches "back in the day". I > had several full duplex conversations with *two* other RF users that > were full duplex. One person transmitted on 440, another on 2 meters > and the third was on 6 meters. All three receivers were mixed onto > our 440 talkback that were we all listening to. We were lids, but boy > was it fun. > > 73's Skip WB6YMH > (Funny now no one in my passenger seat ever wanted to talk on my radio > ... the rubber guard on my noise canceling mic basically had to be > touching your upper lip for anyone to hear you). I could turn the > volume on my Micor up to the point of pain without feedback if I held > the mic right. > > > Yahoo! Groups Links > > >
