Stephanie,
No, it is definitely NOT corona. Corona is an EHV phenomenon, and appears only
on transmission lines, not distribution lines such as the lines you described
in a residential neighborhood. Plus, corona does not make the type of noise
heard on your video. (ref: "AC Power Interference Handbook" by Marv Loftness SK
KB7KK)
I would suggest engaging your local ARRL Section to see if they have an RFI PLN
Technical Specialist to assist you in determining the source and resolving the
noise. You can track it down yourself if you are handy and have the equipment
and there are many resources on the Internet that describe the process.
Hope this helps.
Chris
AF6PX
ARRL RFI PLN Technical Specialist, Los Angeles Section
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