[TowerTalk] Near Field Lightning Damage

[Richard Solomon]

You do what they did in Desert Storm when all those fancy mega-buck
solid state radios died.

The call went out and Collins KWM-2A's showed up. Tubes don't worry
about EMP !!

73, Dick, W1KSZ

On Sat, Apr 18, 2015 at 7:17 PM, Patrick Greenlee <patrick_g at windstream.net>
wrote:

> Back in the 80's a tuna boat pulled into San Diego with every device on
> board containing a semi-conductor inoperative.  CB radio, Marine VHF, SSB,
> SONAR, RADAR, VHS tape player, SatNav LORAN, and on and on...  All the crew
> members wore digital watches which were all totally dead.
>
> One near miss by a large lightning stroke took out everything with solid
> state semiconductor junctions.  The good news was they didn't have a
> spotter chopper aloft at the time dependent on the aircraft beacon band
> transmitter on board to find the boat (helipad is the roof of the pilot
> house.)  We theorized it was the EMP that ate everything as there was no
> evidence that the bolt hit the boat.
>
> Later when asked what could be done to provide an immune backup comm radio
> we told them a mu metal box.  A Faraday cage wouldn't stop the magnetic
> pulse.
>
> Just a thought in case there are any serious preppers in our midst.
>
> Patrick    NJ5G
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