[Elecraft] KPA500

[Don Wilhelm]

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?