[Elecraft] Two Radios, One Antenna

[Robert Tellefsen]

Hi Simon
To work through what you want, I'd put together
some kind of Boolean algebra table.  So you
could say TX1 = (NOT TX2) + (NOT TX3)
and so on.  When you are done, you have
defined a relay switching network that can do
the job for you.
You will have to decide how to tell the system
which TX you want to use, perhaps F keys on
your keyboard.  Then you have to get those
commands out into the relay system.  That I
have to leave to you, as I'm not much of a
computer person.
Good luck and 73
Bob N6WG

----- Original Message -----
From: "Simon Brown (HB9DRV)" <simon at hb9drv.ch>
To: "Elecraft" <elecraft at mailman.qth.net>
Sent: Wednesday, February 20, 2008 2:34 AM
Subject: [Elecraft] Two Radios, One Antenna


Assume you have many radios and effectively one antenna (in practice
up to 3 at times). You would only transmit with one radio, the others
being used as high-class receivers, spares etc.

How would you route the antenna?

What I want to avoid is transmitting into a receiver by accident if
the software decides that it would be good to switch to TX.

FWIW I am looking at two K3, one TS-480SAT. I would like to receive on
all three simultaneously and transmit with either a K3 or TS-480SAT.

Simon Brown, HB9DRV
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