A high percentage of the energy in a lightning strike is in the spectrum
under 1 MHz. I don't think tying knots in the line will impede it much.
73 de WO?W
James wrote:
>>I get both TV and Internet via TV cable. It is the last conductor coming
>>into my house that is not protected by a lightning or surge suppressor, or
>>disconnected when not in use. Can anyone suggest an appropriate
>>suppressor for this purpose that will pass both TV and 2-way Internet
>>signals (low HF to high UHF)?
>>
>>
>
>I've used commercial grade coax lightning arrestors for commercial
>two-way and cellular antennas. Very expensive, but the work and are
>almost invisible when you do a TDR line sweep, even at 1900 MHz.
>
>At home, I tie six knots in my power, control, and antenna lines before
>they come into the house. Eveything is inside a metal box WELL grounded
>with several eight foot long grounding rods. The high "frequency" of
>a lightning bolt (actually the DV/DT) has trouble even making a right
>angle bend, much less an entire knot. For this reason, ground wires
>need to be routed to a ground with no turns; but if neccessary, a gentle
>curve..
>
>
>_______________________________________________
>
>See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
>Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
>questions and ask for Sherman, W2FLA.
>
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>
>
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