I am suspicious of the copper mine. They run a SXEW plant 2 miles away.
Given that it's owned by a huge, multinational corporation, the odds of
getting anything done about it are near zero.
https://en.wikipedia.org/wiki/Solvent_extraction_and_electrowinning
73,
Steve, N2IC
On Sat, Dec 23, 2023 at 12:37 PM Michael Martin <mike@rfiservices.com>
wrote:
> 6 M noises pretty simple to find. A very small and cheap directional TV
> antenna or work fairly well connected to a small 6 M portable. And go
> walking or driving. Knowing what it is will do you know good, you'll still
> have to know the location of it.
>
> Michael Martin
> RFI Services
> 51 W Bay Front Rd
> Lothian, MD 20711
>
> 240-508-3760
> mike@rfiservices.com
> www.rfiservices.com
>
> On Sat, Dec 23, 2023, 2:34 PM Steve London <n2icarrl@gmail.com> wrote:
>
>> Anyone care to make a guess at this ?
>>
>> https://www.kkn.net/~n2ic/n2ic_noise.mp4
>>
>> I have flipped the main breaker and turned off all UPS's in the house.
>> Peaks SW, which is towards a neighborhood over a mile away, and a large
>> copper mine, 2 miles away. There is also a line of 14.4 kV power lines in
>> that direction.
>>
>> It will be on for several hours at a time, then disappear. Nothing else
>> like it between 40 and 60 MHz. I would never have noticed it, except it
>> sometimes parks itself on 50313, the 6 meter FT8 frequency.
>>
>> 73,
>> Steve, N2IC
>> _______________________________________________
>> RFI mailing list
>> RFI@contesting.com
>> http://lists.contesting.com/mailman/listinfo/rfi
>>
>
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