Harold Smith wrote:
> I measured the breakdown voltage and found it to be 350 volts which is 2450
> watts at 50 ohms. That is
> why they rate it a a maximun of 2KW.
>
Not quite! The spark gap will arc at the peak voltage on the line. 350
volts peak is only 1225 watts on a 50 Ohm line and that is with a 1 to 1
SWR.
There seems to be some confusion between draining static charges and
lightning protection. About the only thing that will give you lightning
protection is a hefty spark gap at the base of the antenna.
I just had a thought about RADAR technology. When the spark gap at the
antenna fires, it will produce a low impedance at that point. This means
that 1/4 wave down the line will be a high impedance point. Perhaps this
would be a good point to install a Polyphaser type of suppressor.
73, Roger
--
Remember the USS Liberty (AGTR-5)
http://ussliberty.org/
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