[PPRAANet] Lightning protection

[Douglas Hagerman]

Interesting comment from Elecraft technician on lightning. I had never considered disconnecting my key.

Doug, W0UHU


> ------------------------------
> 
> Message: 4
> Date: Fri, 14 Aug 2020 10:46:02 -0700
> From: Keith Trinity WE6R <keith at elecraft.com>
> To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
> Subject: [Elecraft] Lightning Season, disconnect COMPUTER etc.
> Message-ID: <114accb3-166c-45ab-fb09-fc8e6761498e at elecraft.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> Hi all;
> I am starting to see our yearly peak of Lightning damaged radios come in 
> for repair, August through October.
> 
> It is MOST likely to come in through the COMM PORT connected to your 
> COMPUTER (via DSL or Cable Modem).
> Those lines are LONG and run for miles, so a direct hit is not necessary 
> to do damage.
> 
> Customer quotes; "I disconnected everything, EXCEPT..." then they list 
> ONE item.
> Spare K3 board supplies are low or gone.
> Besides the most likely Comm Port, then obvious Antenna, I have seen 
> lightning come in other things connected to the K3, like;
> DC power cord, ground, Paddle/Key, Key-Out to Amp etc.
> '73
> Keith WE6R, Elecraft K3 Tech
> 
> 
> 
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