[TowerTalk] Rotor cable protection

Mark Robinson markrob at mindspring.com
Sun Mar 14 13:19:59 PDT 2010


That is exactly what I did. I found a good source of MOV's for around 50 
cents each and stuck some 0.1uF 250V caps across them  for RF decoupling. In 
fact I built it all into my antenna grounding box.


Mark N1UK

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

> Just get a handful of movs and a metal box. Connect an mov from each wire 
> to
> ground. That's all that is in the polyphaser box.
>
> 73
> Gary  K4FMX
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

>>>> Hi Jim, I am getting ready to buy a couple of the polyphaser ones after
>> researching it a bit.
>> Joe
>> KI4TZ

>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> Jim Miller wrote:
>> > I've seen lots of advice on grounding and protection of antenna signal
>> leads
>> > but little on what to do with the rotor cable. It seems that since it
>> is
>> > elevated and remote it is likely subject to similar pickup issues.
>> >
>> > Or am I missing something?
>> >
>> > I'm assuming I should bring it through the same service entrance
>> location as
>> > the coax. What to do about protection etc?
>> >
>> > 73
>> >
>> > jim ab3cv
>> > _______________________________________________



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