No lightning observed is not a reliable indicator of the amount of
static charge that can accumulate on the antenna.
Disconnecting the antenna when not in use or switching the radio input
to a dummy load or ground is the only sure prevention.
73,
Don W3FPR
On 9/16/2018 8:07 PM, Dr. William J. Schmidt wrote:
I just turned on my KPA500 to do some DX work before I have to return home
from J6 tomorrow. We had a hack of a storm two days ago and the antenna was
connected but no lightening was observed. My KPA500 receives fine in
Standby but receive signals seem attenuated by several dB when in Operate.
The amp makes power in transmit as usual. Without the manuals here I
suspect there are some PIN diodes in it that got hammered in the storm.
Anyone else see this?
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