Great info Carl - thanks.
Sounds like Corsair 2 has the best option for passing the receive but that is
not a CAT radio for N4PY software so yes, some external antenna switching would
be needed as you suggest. I prefer a universal solution so maybe the MFJ or a
DX Engineering RTR-1A and using the amp control line to activate it.
I was never a big one for panadapters but figured with a $66 SDR receiver there
might be a simple/inexpensive solution for that - any way I look at it seems to
be a couple hundred dollars - hi...
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What radio are you using? Many radios have an easy way to share antennas. If
that's not an easy solution then the MFJ1708 can do the job. See below.
The solution to share antennas is to add an MFJ-1708 T/R switch. This unit
will automatically sense RF from the transmitter and then remove the panadapter
radio from the receive antenna connection. But the MFJ switch will also remove
the transceiver from the transmit connection while in receive. So the MFJ
switch needs a very simple mod. You must solder a 14 gauge wire between the
transmit and antenna SO-239 connections. This will then make the switch
operate properly for this use. Additionally, you can wire the relay to
energize from your radio's amp key line for faster and safer switching. Carl
Moreschi N4PY
58 Hogwood Rd
Louisburg, NC 27549 www.n4py.com
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