>Cortland KA5S wrote:
> Maybe it's time to write Riley.
It just might be....
I do have a bit of good news to report.
My next-door neighbor in this condo building happens to be the general
contractor who did the remodel of the building containing the noisy
"transformers". He also has noisy low-voltage exterior lighting. His power
supply is a "LIGHTECH LET 75". Although he rarely uses the lighting in
question, turning it on resulted in 10 over s9 noise on 40 meters, almost
as bad as the LVT-60N units in the other building.
The local electrical supply house came up with a unit which actually claims
to contain emi filtering. It's made by RSA Lighting and says that it's a
"CAT NO. RT60A". It was swapped for the 'LET 75'. There is still
substantial noise in the immediate vicinity of the RT60A (detected with a
hand held shortwave receiver) but the noise levels on my station antenna
fell from 10 over s9 to s4 on 40 meters. That's more-or-less a normal day
time level here. The situation has been very much improved.
Our plan now is to replace the units in the other building with RT60As.
Unfortunately, that's easier said than done because the owners of those
condos are all part-time residents. Arranging for one visit by the
electrician is going to be complicated.
I'll be saving the noisy units just in case Riley wants to have a look at
them.
Steve WA5RPF
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