On Mon, 14 Jun 2004 11:10:23 +0000 (UTC),
wrote:

IIRC there's a "receive inhibit" on most radios. I had to add that wiring to
my KLX-135 and KY-197 setup so transmitting on one wouldn't open the squelch on the
other (probably 40 dB isolation between the separate antenna... enough for IMD).

I knew that such a thing existed, but it appears that it's not a
universal feature. My Apollo SL30 doesn't have it, even though it's a
pretty modern radio. I'll look again, though.

Are you sure it interrupts the RF input, rather than just squelching
the audio?

Rob-
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Robert Cherney e-mail: rcherney(at)comcast(dot)net