[MilCom] Antenna

[KD7JYK DM09]

Have you tried a non resonant antenna, for example, rather than an antenna
cut for 118 - 136 MHz, something for 450 MHz or even 900 MHz?  I used to use
a telescopic antenna with a BNC connector.  If I found interference on the
frequency I was listening to, I would shorten the antenna to the point the
interference lessened or disappeared, but I could still hear the primary
signal.  In once instance, I was listening to one frequency that hopped
about in a group of about twenty.  There were also a half dozen other users
on the same frequencies.  The one I wanted to hear was closer, so I used a
cell phone antenna and about 60 dB of attenuation.  I found the only signal
I ever heard was the one I wanted.

Kurt

----- Original Message -----
From: "Collins" <reach703 at gmail.com>
To: <MilCom at mailman.qth.net>
Cc: <MilRadioComms at yahoogroups.com>
Sent: Saturday, August 23, 2008 12:33
Subject: [MilCom] Antenna


: Is there some sort of "weaker" antenna I could use in order to filter
2-way
: tower and approach communications ?  I may try a rubber duckie or just a
BNC
: terminator or something.  I'm getting too much private & commercial
traffic
: on UHF tower & approach.  I'm up high and closer to the airport now.
:
:
:
: Collins
:
: Fort Smith, Arkansas
:
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