[PPRAANet] Lightning protection

Steve KT0DX kt0dx at q.com
Sat Aug 15 21:52:02 EDT 2020


Thanks for passing this along Doug.  As an owner of a K3 it would seem 
like everything connected to the radio should be disconnected to really 
be safe.

Steve (KT0DX)

On 8/15/2020 16:53, Douglas Hagerman via PPRAANet wrote:
> 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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