Hi Dave,
I have been considering getting an SDRPlay or equivalent for some time now.
This plot convinced me it would be a good tool for hunting QRM & QRN.
Thanks and 73,
Bob Nobis - N7RJN
n7rjn@nobis.net
> On Aug 25, 2016, at 03:59, Dave Cole <dave@nk7z.net> wrote:
>
> Hi,
>
> Just thought I would share this with the collective group, because it
> seems so interesting...
>
> I took an SDRPlay, and set it to something like 2 MHZ wide, then pointed
> that at the 40 meter band, and set it loose recording in graphic form,
> across a very long time frame to get an overview of my RFI environment
> across time. It is attached... All times are GMT, and the graph starts
> at around 2:30 PM local time here in Oregon.
>
> I expected interesting results, but got something far more fascinating,
> and busy than I thought. Much structure is visible in this... Being
> able to visualize huge swaths of spectrum over time is so informative.
>
> I have been trying to get a tool for generating an RFI survey of an
> area, and this seems to fit the bill well.
>
> In the near future, I will be moving to AZ, and I think I will strap
> this setup onto a laptop, put it in my car, and connect it to my mobile
> antenna for Low Bands, to survey the area I am considering moving
> into...
>
> --
> 73's, and thanks,
> Dave (NK7Z)
> For software/hardware reviews see:
> http://www.nk7z.net
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