[TowerTalk] remote antenna switch

David Robbins K1TTT k1ttt at arrl.net
Mon Mar 13 16:54:35 EST 2006

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of Jim Lux
> Sent: Monday, March 13, 2006 01:26
> To: N0OEL at aol.com; merlin-7 at sc.rr.com
> Cc: towertalk at contesting.com
> Subject: Re: [TowerTalk] remote antenna switch
> At 05:03 PM 3/12/2006, N0OEL at aol.com wrote:
> >I think that he best bang for the buck for an antenna switch is the RCS-
> 8V
> >Ameritron 5 position switch which uses a control box on 110 and sends a
> low
> >voltage current up a remote line to the switch point on your  tower.
> It is
> >cheap (about $139) and works  well.    I use two of them and have
> >for  years!
> >  I use regular light weight rotor control  cable.   The switch grounds
> the
> >antennas not in use when you select a  particular switch.
> You can remove a jumper in the relay box if you don't want
> grounding.  There are cases where you'd rather have it open circuited.

None of the 8 rcs-8v's that I have in use grounds the unused ports by
default.  You can ADD a jumper to the relay box for each port you want to
ground when it is not selected, which I have done when I want to use them
for a stack match.

David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
> >
> >
> >
> >The wireless Ameritron is just more lossey and I dont recommend it unless
> >you can't run a cable.
> If you're talking about the 4 way switch, it uses the scheme of positive
> half cycles of AC to actuate one relay and negative half cycles for the
> other relay(s), so it definitely won't work with 12VDC supply.
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