[Premium-Rx] Lightning hitting your Premium RX

Carcia, Francis A HS francis.carcia at hs.utc.com
Tue Apr 5 15:58:20 EDT 2005


My coax is under ground and I throw a pipe over the open wire line that
pulls it to the ground
when there is a storm coming or I'm out of town. I should also remove it
from the house.
Also good to coil up the coax to make a RF choke before it enters the
building.
Pray and pray hard also helps.

-----Original Message-----
From: mikea [mailto:mikea at mikea.ath.cx]
Sent: Tuesday, April 05, 2005 3:06 PM
To: Premium-Rx (E-mail)
Subject: Re: [Premium-Rx] Lightning hitting your Premium RX


On Tue, Apr 05, 2005 at 02:51:55PM -0400, Peter Gottlieb wrote:
> Danger Will Robinson!
> 
> Lightning *will* find a path, even if you disconnect the coax...
> 
> I'll bet your pulse generator is best suited for power line applications 
> where the socket will arc over at around 6 kv.  Put 500 kv on your antenna

> lead, now where will it arc to when disconnected from your switch?

_Everywhere_, most likely, but starting at the least-expected point.

I'm at work, and the rig is at home right now -- with both antenna feeds 
disconnected from the tuner _and_ with power disconnected from TX and RX.
The only remaining connection is to ground, and that does still present a
potential[1] vulnerability.

Any time T-storms are predicted in the area, the antenna feeds get pulled
loose, as does power, before I go to work. While it's a real pain to avoid
cross-threading the @#$%^&*( PL-259 sleeves when I put stuff back together,
it beats forking over bunches of bux for a new transmitter and/or receiver.

[1]		No pun intended, I assure you.

-- 
Mike Andrews, W5EGO
mikea at mikea.ath.cx
Tired old sysadmin 

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