Ken - NM9P
From your video I understand that you believe you are sensing the direction of the interference but I also assume you have been able to pull your main breaker, and run your computer and the radio off battery so you have ruled out anything on your side of the utility's meter.
First time having this issue I been having the same problem for little over month and a half.
First time having this issue this bad in the city.
Just when you think you have it figured out it quits.
I have switched around power supplies.
I have went to DC power and house power off.
I thought I had it timed when it would start then over period of day`s it would fool me and start ealier or later.
It stays in the same places on the panadapter.
Like chasing ghosts.
It seems stronger in the daytime early afternoon on 10-40 meters.
I get it early evenings on 80 meters and sometimes 160 meters then it most times goes away on 80 meters but it might stay on 40 meters till late.
Thought someone`s TV but it is random.
I thought about neighbors work schedules then again noise random.
(((Some nights and days no issues))
Very very random.
Best guess dirty signals on power lines or bad power transformer somewhere.
Earlier today 09-11-2017 from about 2:pm till 6:pm CDT had the noise on all bands.
(SEPT 11-2017 after 7 pm all bands quiet central usa)
Most signals are about S-7 never any stronger on inverted Vee at about 35ft center.
I took old 9 volt AM hand held radio and tons of noise on the all the cables (attached) to my house.
I have line Isolator right after the 4:1 balun never been an issue till last month and a half randomly.
Only solution looks to be the following or bad radiating power lines or something happens, rain ,wind or destruction. :)
Looking at timewave ANC-4 or MFJ-1026
Ken your not the only one! Hope this all goes away soon.
At wits end on this one. 73 All Good luck!
Just a thought occurred while thinking. Where I live we are now co-op with lot of utilities grid tied with solar now and wind power as well. I don`t know any of the details how this all works but I imagine this has been grid tied stuff for a few years now so nothing new but is something to think about I suppose.
Ken, that looks awful!
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