[amsat-bb] Re: Eliminating Desensing

kc6uqh kc6uqh at cox.net
Mon Jun 30 21:40:34 PDT 2008


I  had problems on AO-40 several years ago. The problem was traced to the 
connection of a silver plated brass connector bolted to an aluminum surface 
where crossion had set in. Cleaning the connection stopped the 70 cm uplink 
from crashing my 13 cm receive.

Art,
KC6UQH
----- Original Message ----- 
From: "Simon Brown (HB9DRV)" <simon at hb9drv.ch>
To: <amsat-bb at amsat.org>
Sent: Monday, June 30, 2008 10:18 AM
Subject: [amsat-bb] Re: Eliminating Desensing


> Same here with TS-2000, 6ft *aluminium* boom and SSB Electronics masthead
> pre-amps.
>
> I'm thinking about a 6ft to 9ft fibreglass boom anyway, I would be
> interested also in user comments.
>
> Simon Brown, HB9DRV
>
> --------------------------------------------------
> From: "Reicher, James" <JReicher at hrblock.com>
>
>> I got significant de-sensing of my 2 meter downlink from my 70cm uplink 
>> at
>> Field Day.  I know a good part of it was due to the short cross-boom
>> (about 4 feet) I was using.  I would like to decrease the de-sense on 
>> this
>> set-up before I permanently install it at my home station.  Any and all
>> suggestions are welcome.
>
>
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