[TowerTalk] Remote antenna switch question

[Richard Karlquist]

Grounding unused inputs greatly increases
the isolation of the switch.  

Rick N6RK

> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com]On Behalf Of N9EN at VOYAGER.NET
> Sent: Tuesday, April 06, 2004 3:52 AM
> To: TOWERTALK
> Subject: [TowerTalk] Remote antenna switch question
> 
> 
> Hello T-T'ers,
> 
> I am thinking about building a "control box" to operate an
> OLD Drake "RCS-4" remote coax antenna switch. The
> switch is made to select from 5 antennas and from looking
> at the schematic, all "unselected" antennas are grounded.
> 
> I was wondering what the logic is behind the grounding
> of the antennas haven't been selected. Can someone
> shed some light on this for me? I was thinking about
> modifying the switch so that it does not ground any of
> the other 4 antennas that have not been selected.
> 
> Thanks for any help on this!
> 
> 73 de Brad, N9EN @ Radio Free Roscoe (IL) [tm]
> 
> 
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> 
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