[Elecraft] [OT] A dumb question about lightning

Victor Rosenthal 4X6GP k2vco.vic at gmail.com
Fri Jul 28 23:50:10 EDT 2023


Very good point.

I fhave a grounded entrance panel with appropriate suppressors for 
power, rotor, and antenna feeds. Everything metal, including my 
operating desk is connected to this panel and bonded together. I have 
installed a wifi-to-ethernet bridge on my desk to establish an air gap 
between the router and my computer and other equipment that require 
wired internet service.

The idea is to insure that if high voltages are induced on wires 
connected to my equipment, there won't be big potential DIFFERENCES 
between (for example) the computer and the radio.

73,
Victor, 4X6GP
Rehovot, Israel
formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 29/07/2023 1:04, Keith Trinity WE6R wrote:
> Please, PLEASE disconnect your COMPUTER from your radio(s) if lightning 
> is in the area!
> 
> Almost ALWAYS lightning damaged gear that comes in for repair, was hit 
> _thru the comm port!_
> (lightning hits Cable/DSL lines).
> 
> As far as repairs I see, it is not common for it to be damaged from 
> lightning coming in the antenna.
> 
> It usually gets to your computer, then radio gear.
> 
> A direct hit however, and all bets are off. I've seen it come in/out via 
> DC, keyer, PTT IN, even the ground lug, IE anything metal.
> 
> Keith WE6R Elecraft K3/K4 Tech
> 
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