Hi,
If I understand the rules correctly, I believe it is based on if your
licensed station is being interfered with. If so, then it is not OK. I
am sure there is some lower limit to this, but I don't know what it is.
Perhaps Ed from the ARRL could let us know more about this.
73s and thanks,
Dave (NK7Z/NNR0DC)
https://www.nk7z.net
ARRL Technical Specialist
On 08/14/2018 06:20 PM, Tony wrote:
All:
I was wondering how the FCC measures the level of RFI emanating from a
distant device to determine whether it's above or below FCC limitations?
The reason I ask is that the RFI emanating from the device might meet a
certain criteria when measured some number of feet from the unit, but
the bottom line for the ham is whether the noise is still heard on his
or her receiver.
That brings up the question of whether or not the FCC deems a certain
level of RFI as "acceptiable"? My neighbors solar panels generate RFI
ranging from S-5 to S-9 throughout the day and even at lower levels, the
noise makes S-9 signals difficult to copy.
This video demonstrates how intrusive it can be at S-5 levels:
https://www.youtube.com/watch?v=yc4uMkWYYBc
Tony -K2MO
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