Ken,
It's a prickly problem. I had a dog water dish that was raising heck on 20
meters. The dish was heating the water so I never told the guy he had to get a
new water dish because I knew what his answer would be, it works.. So, I bought
a new one for him, problem solved.
In your case the sign might be very expensive so you can rule that out. A
couple of possibilities, the letter to the FCC is good, hope you kept a copy,
in fact you should have cc the store owner. Do you have a city electrical
inspection department? If so you could contact them (in person is always best)
and see if they will visit the business and check the sign for electrical
defects, could save big money if a fire hazard is found, you might become a
hero, saving businesses from destruction. Be sure to take your portable radio
along to demonstrate the noise it's generating, might be arcing inside the
thing somewhere. If it can be shown the sign is defective the city could issue
a letter to the store to get it fixed. Does it generate noise in the AM
broadcast band? If so it could be hampering people to listen to commercial
broadcasts, if so you could contact the radio stations and tell them I can't
hear your programming due to a noise problem with a sign at such and suc
h business. Attention to the problem might make the store owner a little more
nervous and just shut the sign down or get a different one.
If the FCC writes a letter that would help, but the store still has to get the
sign fixed or replaced. This might take a looooooonnng time if they get their
attorney involved.
Good luck
73
Dale, k9vuj
On 05, Feb 2015, at 20:28, Kenneth G. Gordon <kgordon2006@frontier.com> wrote:
Does anyone know of a professional company who does RFI mitigation?
That is, a company that another company could call to come to fix an RFI
issue?
I have a pharmacy nearby whose "Pharmacy Open" sign, a neon one, causes
severe RFI interference to my station.
An RFI investigator from our local power company absolutely 100%
identified the source.
Turning off the sign drops my noise level by 15 dB. The store is around 3
blocks away.
I contacted the pharmacy, talked with the manager, told her what the
problem was, and who had found the source, and asked her to get it fixed.
She called the original installer, who came out, looked at it, and told
her it was all right.
I then filed a complaint with the FCC.
The manager then told me that she knew of no one who was capable of
fixing the sign, and although I could do it myself, I won't due to
liability issues.
So, does anyone know of a company which offers the kind of service she
would need?
Ken W7EKB
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