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Call Sign : 26-CT-3228 / M7VIC Posts : 4205 Times Thanked : 262 Join date : 2019-11-10 QTH or Location : Bedford Equipment Used : Various
Subject: Re: Check out our Very own “Enthusiastic Steve” Tue May 25, 2021 7:43 am
I did Paddy and I hope it was an 'eye opener' for many.
That was a clear example of static electricity at work and how you can receive 'shocks' from antennas and even suffer damage to a radio without even being struck by lightning or miles from a storm!
Physicists are still arguing how lightning forms and strikes even today with most assumptions being based on Benjamin Franklin's experiments in the 1750's!!!
I'm a firm believer in the static discharge method of protection utilising lightning arrestors such as spark-gaps, gas discharge and sintered block materials, (the basis for many commercial lightning 'protection' methods).
There are however proponents of finding the thickest wire you can muster and attaching it to a copper pipe/rod half-arsed driven into the ground.
I certainly wouldn't want to be driving around in a storm with a big lightning rod, (ahem, antenna), atop my vehicle!
Unfortunately Paddy we live in such a light polluted world nowadays that many have never experienced the visual effects of such phenomena. The dancing purple/blue sparks that showered your body when undressing or putting on bed clothes at night let alone St. Elmo's fire glowing on the ends or tips of structures. Except maybe us old farts with childhood memories from that far less lit up night world.