[RFI] Noise location tools

[Dave Cole (NK7Z)]

Can the person with the touch lamp resend the image to me directly 
please...  I deleted it.

73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 01/19/2018 11:32 AM, Dave Cole (NK7Z) wrote:
> 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,
> Dave
> NK7Z
> http://www.nk7z.net
> 
> 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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