I admit being surprised that it really was what it sounded like to me, but
gratified you were able to find it. Good work!
Cortland
KA5S
> [Original Message]
> From: Christopher E. Brown <cbrown@woods.net>
> To: Peter Laws <plaws0@gmail.com>
> Cc: <rfi@contesting.com>
> Date: 7/27/2009 9:58:26 PM
> Subject: Re: [RFI] FOUND! - Looking for ideas about yet another noise
source
>
> On Mon, 27 Jul 2009, Peter Laws wrote:
>
> > On Mon, Jul 27, 2009 at 00:51, Christopher E. Brown<cbrown@woods.net>
wrote:
> >
> >> Driving along the street I happened to spot a copperweld longwire
leaving
> >> one house running up the hill and decided to talk to the owner.
> >
> > So this was static discharge from the SWL's longwire??
>
>
> Yep, 300 foot plus longwire was well insulated, with least insulated
point
> being the approx 1/8 inch gap between the centerpin and body/nut of the
> RCA thru-chassis antenna jack. The last 100 feet or so comes down the
> back side of the hill (on my side of the ridge) and is line of sight and
> faily well aligned with my vertical. (Think 32ft vertical vertical, and
> 100 foot section of wire tipped away at 45 degrees about 500 feet line of
> sight away).
>
>
> I am still surprised, my idea of talking to the owner of the antenna was
> to see if they had the same noise issue. It was not until he was showing
> off his setup and I head the "vap....vap" noise and say that the antenna
> was not DC grounded I realized. The SWL is older with a bit of hearing
> loss, the noise from the arcing was below his threshold, so he only
> noticed the loud pops from the speaker.
>
>
> Surprising how much RF a 1/8 inch arc every 10 - 60 seconds can make when
> it involves a large antenna.
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