[amsat-bb] Re: Eliminating Desensing
rnutter at networkref.com
Mon Jun 30 11:51:48 PDT 2008
Check my website www.ka4kyi.com and look sat gear, misc equip for this info.
From: Simon Brown \(HB9DRV\)
Sender: amsat-bb-bounces at amsat.org
ReplyTo: Simon Brown \(HB9DRV\)
Sent: Jun 30, 2008 1:06 PM
Subject: [amsat-bb] Re: Eliminating Desensing
We're talking 100W or so. Any chance of a link to a decent diplexer for the appliance operator?
Simon Brown, HB9DRV
From: Jim Wright
A good start might be a "diplexer" at the antenna to terminate the energy you do not want presented at the receiver. Put a termination on the uhf port and stick it in the vhf side of the feedline, assuming you are running two coax cables down to the shack. If the VHF is desensing the UHF, do the same thing in the UHF feedline with a termination in the VHF port. You don't say how much power you were running, but there comes a time when too much is too much.
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