I don't know if this really helps or not, but I connect my computer to the
internet through a WiFi.  I have DSL which feeds a WiFi Router.  That DSL
modem and the router are the only things connected to the phone line.

When lightning threatens I disconnect all power, ground, coax, rotator
control cables, etc.  Anything that goes to the outside world (including
the station ground to the ground rod outside of my window is removed.

I live on a ridge, the highest point in the county.  The ground slopes down
and away for 20 to 30 miles in all directions.  I have two 150 foot towers
and a 70 footer.  The first ten years I was at this location I was hit 4
times by lightning.  Then I instituted my disconnect policy.  I have had no
strikes in the last 20 years. The lightning strikes, but there has been no
damage to equipment.

The chassis to chassis bonding remains in place.

Your results may differ.

73,

Dave, K4TO




On Fri, Aug 14, 2020 at 1:47 PM Keith Trinity WE6R <ke...@elecraft.com>
wrote:

> 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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