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Re: [TowerTalk] Relays and shairing antennas

Subject: Re: [TowerTalk] Relays and shairing antennas
From: Larry Phipps <larry@telepostinc.com>
Date: Tue, 12 Jul 2005 20:59:37 -0400
List-post: <mailto:towertalk@contesting.com>
Look at the Tohtsu relays at www.rfparts.com.

Larry N8LP



K8RI on Tower talk wrote:

>I just picked up one of the little Yaesu 897s, which now sets atop my 
>Hallicrafters station out in the shop.  I have one of the HyGain Patriot 
>verticals which seems to work reasonably well for what it is, but I'm only 
>about 40 feet from the base of the tower.  I also happen to have an old 
>Henry 2K4 sitting near the end of the desk that could be put to good use.
>
>It seems a shame to be running on that little vertical while looking out the 
>window at the big array and tower.
>
>I've been thinking it'd be nice to be able to run coax over to the junction 
>box at the base and switch the antennas between the house and shop.  There 
>is one cable for 160, 75, and 40 that goes to a remote antenna switch at the 
>top of the tower.  There is also one for the tri-bander, the 6-meter beam, 
>the 2-meter array, and the 440 array.
>
>I'd like to keep it simple and that would probably mean one relay for each 
>coax.  I could probably get a second rotator control box and use a transfer 
>relay for the 8 wires although I could most likely get by with switching 
>only the power.
>
>Thing is, I don't know where I can find the relays to do the job and 
>maintain the isolation.  The old "Dow Key" relays would have been just the 
>thing.  Actually I do have one of those and another that is in a hexagonal 
>box with coax connectors, but I don't remember the name of that one.  At any 
>rate those are what I think I need in there.
>
>Any suggestions?
>
>TIA
>
>Roger Halstead (K8RI and ARRL 40 year Life Member)
>N833R - World's oldest Debonair CD-2
>www.rogerhalstead.com 
>_______________________________________________
>
>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
>Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any 
>questions and ask for Sherman, W2FLA.
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>
>  
>
_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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