Tell him the story of the ham who saved a neighbor's house from burning down
when he traced a noise to a doorbell transformer with an arcing connection.
Or point out that old lights going bad are using more electricity than they
should and costing him more money than modern lights that are working
David Robbins K1TTT
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
> -----Original Message-----
> From: firstname.lastname@example.org [mailto:email@example.com] On
> Behalf Of Tom Rauch
> Sent: Monday, January 02, 2006 13:01
> To: Rick Saeger; firstname.lastname@example.org
> Subject: Re: [RFI] lighting rfi
> The first thing I'd do is tell him you don't want to alarm
> him, but you are a little concerned. When a device is making
> noise that sometimes means it is sparking someplace inside.
> It could be a bad ballast transformer design, or bad pin
> connections to the lamps, but it isn't normal for lights to
> make bad electrical noise that can be heard at a long
> See what he thinks.
> 73, Tom W8JI
> ----- Original Message -----
> From: "Rick Saeger" <email@example.com>
> To: <firstname.lastname@example.org>
> Sent: Sunday, January 01, 2006 2:56 PM
> Subject: [RFI] lighting rfi
> > I have just recently confirmed my qrn source. Noised peaks
> at around 10m
> > at s6.
> > It is a horse barn about 3000' from my qth. It is the
> confirmed source
> > because as soon as the lights are turned off the noise is
> > gone.
> > In this barn is a riding ring that has 10 sets of
> fluorescent lights 25'
> > above the riding surface. Each of the 10 lights has 4
> bulbs. The bulbs
> > are about 3' long. Each of the 10 lights has its own light
> > We tested last week and anytime any of the 10 light
> fixtures are turned
> > on they generate noise. So when all 10 are on it is really
> bad. Each of
> > these 10 light fixtures are identical. There is other
> lighting in the
> > barn that has no problem at all. It is just these 10
> > May question is this. How should I proceed to eliminate
> this rfi
> > problem?
> > The owner is aware of the problem but I have not really
> addressed how it
> > should be resolved yet.
> > Any advice on how to eliminate the problem and an approach
> to the
> > neighbor would be appreciated.
> > Thanks & 73,
> > Rick K3OO
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