[Antennas] 6 or 8 Position Coaxial Switch

James Duffer [email protected]
Thu, 25 Jul 2002 07:36:24 -0500


This may then prevent the dc from doing what he wants it to do, like power a 
preamp, or activate a relay etc.  I guess it would depend how he 
"engineered" it.!




>From: Ed Tanton <[email protected]>
>To: "A10382" <[email protected]>, "Mike Gilchrist" 
><[email protected]>,"Antenna reflector list" <[email protected]>
>Subject: Re: [Antennas] 6 or 8 Position Coaxial Switch
>Date: Wed, 24 Jul 2002 18:26:44 -0400
>
>I quite agree... but all you have to do is add a DC 'isolator' on the RIG 
>SIDE of your switching setup. A simple 0.01 or 0.001 ufd cap in series 
>between the rig and the switch(es). I have several antennas with 
>mast-mounted pre-amps which get a similar treatment, but on the other side. 
>If you're not running high power, a 2.5mH RF choke can also be added (as 
>long as there is no tuner/etc. involved outwards from the rig 'isolator') 
>to place your antenna at DC ground for static charges.
>
>
>
>73 Ed Tanton N4XY <[email protected]>
>
>Ed Tanton N4XY
>189 Pioneer Trail
>Marietta, GA 30068-3466
>
>website: http://www.n4xy.com
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