[amsat-bb] Re: Full Duplex?
thomasmschaefer at gmail.com
Wed Jul 27 06:43:43 PDT 2011
2m on your local repeater is simplex as you talk then listen. Your telephone is full duplex as you can talk but still hear the other person.
PS Did you really mean full Doppler?
On Jul 27, 2011, at 9:23 AM, "Lowell White" <whiteld at usa.net> wrote:
> Hi Mike,
> Consider these:
> -Full Duplex is receiving and transmitting at the same time, typically on
> different frequencies (bands).
> -When working satellites in this mode, you are doing the same thing as their
> transponder is :-)
> -When you hear your / another signal in the receiver, presuming it and the
> transmitter are tuned to the right frequencies, it represents what you or
> other stations are transmitting to the satellite.
> Does that help?
> ------ Original Message ------
> Received: Wed, 27 Jul 2011 07:29:45 AM CDT
> From: "Mike" <mikef1234 at buckeye-express.com>
> To: <amsat-bb at amsat.org>
> Subject: [amsat-bb] Full Duplex?
>> I'm having a difficult time of understanding the concept of Full Duplex.
>> anyone explain it to me? I have the ARRL satellite book, read about it in
>> there and Wikipedia. I still didn't understand how it works with a
>> transceiver setup like we use.
>> Mike N8GBU
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