[TowerTalk] Crossover Transfer Relay

W5KI at aol.com W5KI at aol.com
Sat Mar 14 13:21:05 PDT 2009


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 at earthlink.net>
Subject: Re: [TowerTalk] Antenna crossover  switch
To: w7ts at comcast.net
Cc: towertalk at contesting.com
Message-ID:  <49B9D956.8000008 at 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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