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Date: | Sat, 20 Jun 2009 13:14:12 -0600 |
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An old broadcast chief engineer told me once to make several turns of the
coax in a large three foot loop before putting the coax into the building.
It creates a inductor which will theoretically arc the lightning strike off
to ground before entering the building due to the resistance.
Phil.
[log in to unmask]
----- Original Message -----
From: "John Miller" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, June 20, 2009 12:58 PM
Subject: Re: Lightning Arresters
>A lightning arrester for inside the building? not good at all in my book,
> you don't want lightning anywhere near the inside of the building.
> ----- Original Message -----
> From: "Phil Scovell" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Saturday, June 20, 2009 2:48 PM
> Subject: Lightning Arresters
>
>
>>I was asking about lightning arresters based up what I have tried. I once
>> tried an in-line arrester but discovered, on my R7 multiple band
>> vertical,
>> it lowered the SWR by about 40 KHz. I couldn't believe it so I tried
>> testing it in and out and sure enough, it did change frequencies. No, I
>> can't remember the model and make of it. I have, for several years, been
>> using the Alpha Delta gas tube arc-tube coax switch arrester. They make
>> them for HF and for VHF-UHF operations but they ain't cheap. They are
>> really rugged and strong and they make one to mount on a wall, desk, or
>> whatever, but they also make one with rubber feet for desk top usage.
>>
>> Phil.
>> [log in to unmask]
>
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