[RFI] Noise location tools

Dave Cole (NK7Z) dave at nk7z.net
Fri Jan 19 14:32:43 EST 2018

In fact, I am building a web site with known SDR gathered signatures of 
RFI.  So...  If you know the source, for sure, please send me a snapshot 
from your SDR.  I will have a page up by months end with RFI snapshots 
and what caused it.

73s and thanks,

On 01/19/2018 11:16 AM, Jim Brown wrote:
> On 1/19/2018 7:41 AM, Karin Johnson wrote:
>> I have successfully found about a dozen street lamps which had failing
>> sodium vapor lamps causing RFI.
>> The spectrum of the RFI was primarily located between about 5 MHz to an
>> upper limit of 8 MHz.
> Great info, Karin. The next time this happens, can you grab some RF 
> spectrum plots with waterfalls? I've found that these signatures can be 
> quite helpful in providing clues about possible sources. The 
> availability of low cost SDRs makes this easy.
> 73, Jim K9YC
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