I think I found the source of RFI in my apartment

[NowhereMan 1966]

Originally Posted by bob91343

I am 100% sure the noise does not originate in my house. It can be late evening, everything switched off, and still the noise persists, with a repetition rate of about 1.25 Hz. It is worst on 80 meters and varies in intensity with peaks at several frequencies. I will try to look at the peak spacing to ascertain more about it.

I now will have to find a portable radio capable of receiving 80 meters. I could strap my TS-440S over my shoulder and schlep a 12V battery but I'd get arrested for impersonating a terrorist.

I use a Grundig G6 Aviator Buzz Aldrin Edition for SWLing and it gets 150 - 29999 kc, 76 - 108 Mc FM and 118-137 Mc VHF aviation plus it gets SSB too. It is the size of a cigarette pack so if I was in your position, that would be the way to go.

I used to deliver pizzas in 2000/2001, just before 9/11 happened. We delivered to the local Air Force Reserve Base and I was allowed by the guard to drive on through to the barracks on one delivery past 12 midnight. I found the right barracks but I had to look where to go in and meet the Air Force men to give them their pizza. I had a police scanner and a 2 meter radio on my belt and I thought it would be weird where if would get caught schleping around an Air Force base with radios, a pizza and it being the wee hours of the morning. I kept looking for MP's with M-16's by turning my head around but I finally made it to the door and made the delivery.

[bob91343]

I have scanned the frequency range for which I have equipment and found what appears to be the fundamental frequency of this noise. It's right at about 300 kHz. It seems to vary a little and has a component at 295 kHz and another at 305 kHz, more or less (it's so raspy that it's hard to decide where it begins and ends).

So now the question arises, what sort of signal is this? Is it a noise from something other than radio gear, or is it a particular noisy source for radar or something?

[jr_tech]

I once tracked down something like this and it was from the electronic ballast of an Ott light that my wife had in her sewing room.... it was terrible when the light was turned off, but almost undetectable when the light was on.... drove me nutz! ... tracked it down with the E-5, but the last place that I looked was near a lamp that was turned off!
jr

[bob91343]

I am very sure this noise isn't local to my house.

The only radio I have that I could take out of the house is my TS-440S which I could run in my car. Thus I'd have to drive around looking for the source, and couldn't track it where I couldn't drive. But if it continues to annoy I will probably start to get emotional about it and start driving.

[Tom_Ryan]

Anyone affected by "Broadband over Power"?

[Dude111]

Thankfully no!! (Not here anyway)

For awhile they were talking about going to it!!!! (Would have been quite disasterious on the AM mode for sure)