[Elecraft] Coax Switches for KPA1500

hawley, charles j jr c-hawley at illinois.edu
Sat Jul 21 15:49:29 EDT 2018


Alpha Delta. It comes in N and also alternatively, SO239 connectors.

https://www.dxengineering.com/parts/alf-delta-4b

actually...

https://www.dxengineering.com/search/product-line/alpha-delta-coax-switches?autoview=SKU&sortby=Default&sortorder=Ascending


Chuck Hawley
 c-hawley at illinois.edu

 Amateur Radio, KE9UW
 aka Jack, BMW Motorcycles
________________________________________
From: elecraft-bounces at mailman.qth.net [elecraft-bounces at mailman.qth.net] on behalf of Dauer, Edward [edauer at law.du.edu]
Sent: Saturday, July 21, 2018 2:38 PM
To: elecraft at mailman.qth.net
Subject: [Elecraft] Coax Switches for KPA1500

What sort of mechanical coax switches are available for 1500 watts continuous power?

The one item I haven’t yet upgraded since putting the KPA1500 amp in place was a two-position coax switch.  I have the K3/KPA1500 on one side and a standby rig – a K2/100 – on the other, switching either one to the antenna feed.  The Daiwa CS-201A that I have in place now is rated to 2.5 KW SSB but only 1.0 KW CW.  The Daiwa 201GII has a 1.5 KW CW power rating, but it comes only with N-type connectors.  I could use that with three N-to-UHF adapters, I suppose, or redo three coax terminations; but thought I’d ask first if anyone knows of a manual switch with high isolation, unused side grounded, 1.5 KW continuous power capability, and UHF-F connectors.  My Internet search came up empty.

Thanks in advance,

Ted, KN1CBR

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