One of our town's local 2m repeaters uses two separate antennas one for
transmit and one for receive rather than spend the $1,500 for a duplexor.
The penhouse concrete walls provide about 100db attenuation between the two
antennas during repeater use. No desense. Seems like concrete does
attentuate a bit ;-)
----- Original Message -----
From: "K4SAV" <RadioIR@charter.net>
To: <towertalk@contesting.com>
Sent: Saturday, September 06, 2008 12:18 PM
Subject: [TowerTalk] Conductivity of cement
> It just occurred to me that I have two pieces of data that seem
> contradictory....
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