Decades ago in the SBS lab we were trouble-shooting a freq. lock problem
with the rubidium clocks we used for the satellite switches. Randomly the
clocks would loose sync causing the switch to drop off the satellite
momentarily. Spikes being generated by other equipment in the remote sites
were effecting the very sensitive devices which was using a very inexpensive
power supply. We discovered that your average 100ft AC extension cord in
series with the clock power supply input solved the problem. Spikes
apparently don't like going around in circles ;-) I'm not sure two turns of
coax would provide much additional surge suppression at the levels
encountered at the typical tower antenna...
You mileage may vary.
Enjoy,
Dave
Wa3gin
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Gene Smar
Sent: Thursday, May 27, 2010 9:15 AM
To: n4zr@contesting.com; TowerTalk@contesting.com
Subject: Re: [TowerTalk] Lightning suppression through coax loops
Pete:
I did almost the same thing on my tower with the rotator control cable.
Underneath the rotator shelf and just before the cable enters a steel box at
the base of the tower, I formed a four-turn solenoid out of the cable and
held it in place with cable ties.
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