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[Towertalk] Amertitron RCS8V Remote antenna switch

To: <>
Subject: [Towertalk] Amertitron RCS8V Remote antenna switch
From: (Carl -K8AV-)
Date: Tue, 13 Aug 2002 09:49:47 -0400
The DX Engineering switch box came from the factory the same way and had to be
soldered the same as the RCS8V.


----- Original Message -----
From: "Frank Davis" <>
To: <>
Sent: Monday, August 12, 2002 6:12 AM
Subject: [Towertalk] Amertitron RCS8V Remote antenna switch

> Users should be aware that this switch as it comes from the manufacturer does
> not GROUND unselected antennas.  Nor does it GROUND antenna ports when it is
> powered down.  You must open the relay case and carry out a modification as
> instructed in the operators manual.  The mod involves soldering a short jumper
> from the center pin of the UHF connectors to a pad on the circuit board.  This
> pad is the mounting point for one terminal of the changeover relay for each
> antenna port and provides a ground connection when the port is NOT selected
> also when the power to the relay head is turned off.
> I recently acquired one of these switches from an estate sale and noted that
> operator had not carried out this mod.  He had been using the unit for a
> of years with multiple coax runs  that were "floating".
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