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[TowerTalk] Equipment grounding - in shack

To: <towertalk@contesting.com>
Subject: [TowerTalk] Equipment grounding - in shack
From: kc5ajx@hotmail.com (Rick Bullon)
Date: Fri, 16 Nov 2001 06:32:38 +0000


>
>Hi all,
>Just finishing up my first station install. Have a "single point ground
>plate/bar" wall mounted just above and behind the operating position. Desk 
>is
>an old computer/printer stand made out of metal - surface, sides, legs, 
>back,
>etc., with 2ftX4ft surface. Figured on grounding it too. Opr position is in
>basement.
>
>Had always read that everything should be grounded to this single point.
>Looking at my RCS-4 coax switch, MFJ P/S, and Ham rotor controller I don't
>see any "Gnd" connection points provided - yet their diagrams show "earth
>ground" symbols. What is the drill here? Just remove a screw from the 
>covers
>and insert a full ring connector for a ground wire to then be run/attached?
>
>Ground array "outside" is cross-connected to all others present (like power
>service and tower, etc.) except the Telco, per some advice from their
>engineers. Used #4 solid Cu for short lead to single point plate, bolted
>solid now. All mech type connections in the system - no solder.
>
>Thanks in advance, 73's
>KD7DCR - Mel
>
Mel
Almost ever piece of Ham Gear I have or have seen has a ground. Some times 
it is just a metal stud with a nut on it unmarked, some have a stud marked 
GND others have a stud that has a ground symbol that looks like an arrow 
pointing down.
I don't have a MFJ PS but my astron has a stud marked GND. My CDE rotor 
controller just has a stud in the upper right hand corner, as viewing from 
the back, I have the RCS 8 coax switch and it has a position marked GND.
Look at you equipment again and I am sure you will find the ground 
connections. Always ground your gear and always disconnect all lines coax 
control lines( rotor and remote antenna switches) and even the ac line 
during a storm. The lightning protection devices work but it is safer to 
disconnect everything during a storm.
73
Rick
KC5AJX

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