[RFI] FCC RFI Question
Dave Cole (NK7Z)
dave at nk7z.net
Tue Aug 14 23:43:50 EDT 2018
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,
ARRL Technical Specialist
On 08/14/2018 06:20 PM, Tony wrote:
> 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:
> Tony -K2MO
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> RFI at contesting.com
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