[Antennas] Ameritron antenna switch RCS-8v

Sun, 23 Jun 2002 12:40:26 -0400

Bob, I have been using one of those switches for years with a five band quad.
The suggestion in the manual means that if you want to ground the inactive
antennas you have to connect a jumper from the PCB solder pad that's connected to
each    relay's normally closed contacts to ground.  It just takes a short piece
of bare wire from each pad to the ground bus.  Once you open the box, it will all
be obvious to you.  I haven't been inside mine in years, so I'm advising you
based on my alleged memory.  However, I'm pretty sure that I'm on target.

Can't help with other problems, but you may want to try cleaning each relay's
contacts with contact cleaner and/or a burnishing tool.

73, Joe

[email protected] wrote:

> I have subject switch box fixed on a wall outside of my shack.  I feed it
> through an Ameritron ATR-30 tuner.  I have 5 antennas connected to the switch
>  and up until recently it worked pretty good.  Now when I switch to various
> antennas it seems to have leakage between the 5 antennas.  Before I start to
> trouble shoot this system maybe some one of you could point me in the right
> direction.  I plan to start by checking the feed line coax for continuity on
> the shield and center conductor.
>
> I have a sort of dumb question.  It states in the manual "to automatically
> ground the unselected port a short jumper must be installed as shown in
> figure 2".  Does this mean I can still switch between each of my five
> antennas and use the selected one as I switch between them?
>
> It seems the tuner positions have changed for each of the five antennas
> (maybe the feed line has lost shield continuity??)
>
> Further the manual states the unit has been shipped with the ports isolated.
> Thanks for any tips/comments/help you can give this thick-headed old guy.
>
> Bob [email protected]
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