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Re: [TowerTalk] HP8761A

To: John Kemker <john@kemker.org>
Subject: Re: [TowerTalk] HP8761A
From: Bob Nielsen <n7xy@clearwire.net>
Date: Tue, 26 May 2009 07:37:55 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
You might want to reconsider. That switch is only rated to handle ten  
watts average power:

http://www.helmut-singer.de/pdf/hp8761A_8761B.pdf

73, Bob N7XY

On May 25, 2009, at 9:39 PM, John Kemker wrote:

> Looking through my junk box, I found an HP8761A SPDT RF Switch with N
> Female connectors on all three ports.
>
> Has anybody used one of these for antenna switching on a common
> feedline?  I'm not planning on putting anything over 100W through  
> it.  I
> figure, if I buy an amp, I should also plan on buying a heavy-duty
> Tohtsu for switching duties.  Meanwhile, if I can use this switch,  
> I can
> save at least one run of hardline or direct-bury coax and the  
> associated
> costs, as I already have a spare pair of wires that will be running  
> out
> to the tower in the rotator cable.  I can energize that pair,  
> either one
> polarity or the other, when I need to switch antennas.
>
> -- 
> --JohnK
> 73 de W5NNH
> 10X 75371/M&M 117/SMIRK 6185/TRA 2499/Norcross 228 F&AM
>
>
>
>
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