For thwe polyphaser book, look here
http://www.radio-ware.com/books/bppglep.htm
73
W1RG
Pete Smith wrote:
> At 05:03 PM 7/28/02 -0400, Glenn Little wrote:
>
>> Acording to some data that I got from a surge suppressor company
>> concerning lightning induced voltages, a lightning strike one Km away
>> will induce 200 volts per meter of wire. The second floor of you
>> house appears to be about 10 feet or about 3 meters above actual
>> ground. That three meter ground wire could have 600 volts on it from
>> a strike one Km away. If the strike is 100 meters away, the figure
>> goes to 1KV per meter of wire.
>
>
> These numbers seem a bit extreme, or at least a bit categorical. How
> many times have you seen a lightning bolt and counted less than 3
> before the thunder came. Did it fry your phone? Your modem? Your
> radio?
>
> I suspect these numbers could represent worst case, but there are too
> many variables (orientation of wire, neight above ground, etc.) for me
> to believe that one voltage fits all.
>
>
> 73, Pete N4ZR
>
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>
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