Topband: elevated counterpoise and lightning

[donovanf at starpower.net]

Array Solutions (WX0B) sells static drain chokes at much lower cost than AM broadcast equipment suppliers.

http://www.arraysolutions.com/Products/staticsurgecoils.htm

Or you can easily wind your own.

73
Frank
W3LPL

---- Original message ----
>Date: Mon, 30 Jul 2012 11:49:09 -0400
>From: W2XJ <w2xj at nyc.rr.com>  
>Subject: Re: Topband: elevated counterpoise and lightning  
>To: topband at contesting.com
>
>Static drain chokes and ground rods should be SOP. The chokes drain 
>static build up which usually prevents direct hits. The chokes are 
>available from various broadcast suppliers.
>
>
>On 7/30/12 11:40 AM, DAVID CUTHBERT wrote:
>> Bob, do you have ground rods for lightning?
>>
>> The stub should be ok for static discharge but not for near or direct
>> strikes.
>>
>> Dave WX7G
>> On Jul 29, 2012 7:04 PM, "Bob Kupps" <n6bk at yahoo.com> wrote:
>>
>>> Hi in this thread I mentioned using a 1/4 wave shorted stub at the feed
>>> points of our 4 square for static drain. Since we want to farm the paddy
>>> land we will use a non-resonant counterpoise of 48 radials connected to a
>>> perimeter wire about 1.5m above the flooded ground. The only galvanic
>>> connection to earth would be back through the RG6 feed line to the center
>>> control box. So would adding an RF choke to the earth ground at the element
>>> base be a good idea in this case? Does anyone have any experience with the
>>> behavior of elevated radials in a lightning strike?
>>>
>>> 73 Bob HS0ZIA
>>> _______________________________________________
>>> UR RST IS ... ... ..9 QSB QSB - hw? BK
>>>
>> _______________________________________________
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
>>
>
>_______________________________________________
>UR RST IS ... ... ..9 QSB QSB - hw? BK