[time-nuts] Lightning and grounds...
jfor at quik.com
Mon Oct 5 01:10:15 UTC 2009
Perhaps they are to dissipate local static charges, like the tinsel on the
wing tips of airplanes, rather than protect from strilkes per se. They
might prefer a slight, steady state, rise in system noise temperature,
over something wildly varying.
> Don Latham wrote:
>> Use of "brush" or radioactive lightning rods, as has been pointed out,
>> pointless and even dangerous. If you feel you have to experiment with
>> such, at least just use a sort of ball of barbed wire rather than paying
>> someone a small fortune for junk. Any "brush discharge" lightning rod
>> serves to protect itself, and not even that in the presence of wind.
> Curious, a quick tour of Johns Hopkins Applied Physics Lab's satellite
> farm finds many instances of brush style lightning rods...
> They must all be wrong too!
> -Chuck Harris
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