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Re: [TowerTalk] QRN during the rain

To: Kelly Johnson <n6kj.kelly@gmail.com>
Subject: Re: [TowerTalk] QRN during the rain
From: David Gilbert <xdavid@cis-broadband.com>
Date: Mon, 11 Dec 2006 14:08:03 -0700
List-post: <mailto:towertalk@contesting.com>
That's a pretty common experience and it is usually caused by dirty 
insulators on the lines.  Hydrocarbon pollution comes from the air ... 
static electricity from the wind causes dust to stick ... and of course 
there are the ever present bird droppings.  All are conductive enough to 
cause surface leakage currents from the high voltages and rain alone 
will not totally wash the gunk away.  Lot's of people have claimed to 
actually see the arcs at night in such situations.

If you complain to the right people at your local electrical utility 
they will often come out (eventually) to clean the offenders, especially 
if you can narrow down the location for them.

73,
Dave   AB7E


Kelly Johnson wrote:
>   What causes this?
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