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Re: [TowerTalk] Crossover Transfer Relay

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Crossover Transfer Relay
From: W5KI@aol.com
Date: Sat, 14 Mar 2009 16:21:05 EDT
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Jim,
 
Agree.  And thanks for your later comments about failure of one  of the ABSS. 
 Something I didn't consider for Ken, since I use a  single transfer switch 
here (the 300-11002-2 you mentioned [below],  good to 1 Ghz.)
 
Steve, W5KI

Date: Thu, 12 Mar 2009 20:56:06 -0700
From: jimlux  <jimlux@earthlink.net>
Subject: Re: [TowerTalk] Antenna crossover  switch
To: w7ts@comcast.net
Cc: towertalk@contesting.com
Message-ID:  <49B9D956.8000008@earthlink.net>
Content-Type: text/plain;  charset=ISO-8859-1; format=flowed

Ken Kinyon wrote:
> Does anyone  know of a commercially available antenna transceiver crossover
> switch  (like the MFJ-1703), that will handle 1500 watts. I have googled to
>  extreme and found nothing.
> Thanks,
> Ken W7TS
> 
I think  you were searching with the wrong term...

You mean what's called a  "transfer switch" in the RF switch business?  A 
and B are connected to  either C and D or D and C, respectively?

1500 W PEP or  average?

http://www.surplussales.com/relays/rfcoaxialrelays/rfcoax_n.html   (first 
google hit) has a Transco 310C00100 for $375. It's rated 1kW at  1MHz

Or the 300-11002-2 for $345, rated at 1.5kW to 1GHz

Or the  12W1008, 2kW, for $275


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