[amsat-bb] Re: Duplexer Terminator

Andrew Glasbrenner glasbrenner at mindspring.com
Mon Feb 26 14:03:41 PST 2007

Hi Al,

Have you looked at http://www.amsat.org/amsat-new/articles/Mode-J/ ? If you 
install it the way the diagram indicates, you won't need the 50 Ohm load. 
This setup kills the desense cold. If you really insist on the terminator, 
solder a 2 watt 50 Ohm resistor across a connector...but trust me you don't 
need it as long as it is set up like in the article.

73, Drew KO4MA

----- Original Message ----- 
From: "Al Ozias" <alozias at worldnet.att.net>
To: "AMSAT" <amsat-bb at amsat.org>
Sent: Monday, February 26, 2007 4:28 PM
Subject: [amsat-bb] Duplexer Terminator

>I am looking for a source of a 50 ohm SO-239 Terminator for use on the 2m
> side of a Duplexer.  Any comments on the use of a Duplexer for sensing
> problems wold also be appreciated, I am presently (successfully) using a 
> filter in the shack following the pre-amp but wonder if a duplexer after 
> the
> pre-amp near the antenna might be a better solution.  I would like to
> increase the size of my ears.
> Thank you Al - N7EQF
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