Polyphaser made a tester.
http://wrblock.com/WRBproducts/DIGIfist/DigiFIST.html
Possibly a land mobile shop in your area has one. Essentially they
generated low current, high voltage until the tube fired.
Perhaps it is different with HF, but in my land mobile experience, if the
supressor was damaged, either it was shorted, or obvious damage was
present when disassembled.
Their antenna protectors have significant attenuation when used outside the
rated frequency range.
Art
On Sun, Mar 1, 2015 at 7:17 AM, Greg Wilson <n4cc@windstream.net> wrote:
> Does anyone know how to test a Polyphaser to know if it is still good? I
> have some that have seen some lightning storms and was wondering if they
> are still doing the job. Thanks, Greg
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