Micky wrote:
On Fri, 1 Jan 2016 09:25:18 -0000 (UTC), gregz
wrote:

wrote:
Using the battery operated portable am radio is the best that you can do
without sophisticated equipment. See if the noise appears to be radiated
into the house, or is it being conducted onto the power lines at the
furnace and then carried by the power lines throughout the house.

Use increasing frequency to better pinpoint. AM. CB vs AM broadcast.
Aircraft vs CB, etc.

I first noticed FM broadcast interference while taking car out. Turn out to

Are you saying the LEDs in your car's tail lights, parking lights,
interfered with FM radio in the car? In your house? That's
terrible!

be my LED outside lights running switched curren limiting. Ferrites helped.

Greg

The house LEDs I have out in the yard, with many feet of interconnection
wire antenna.

Greg