[Lowfer] QRM or LOWFER?

[Zack Widup]

I copied WH2XXP on the KPH LF web SDR just the other night.

Zack W9SZ

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On Thu, Nov 21, 2024 at 12:10 PM Garry <k3siw at sbcglobal.net> wrote:

> Hi again Gedas,
>
> Interesting question. Looks like the "signal" is about 3.4 Hz above the
> low tone of WM. Just before your local sunrise would be when WH2XPP
> might come through and to my surprise I did copy it some days ago using
> the California KPH kiwisdr
> (
> https://mailman.qth.net/pipermail/lowfer/attachments/20241106/c2fcf1a1/attachment.jpg)
>
> so I know it's QRV. You said "sunrise the other evening". Did you
> perhaps mean sunset? If so that would rule out WH2XXP as the source.
>
> The KPH receiver is GPS referenced so WH2XXPP is at about 185.3049  kHz.
> Your capture of TAG which  is accurately at 185.302 kHz indicates your
> readout is about 0.5 Hz too high. Your capture with WM shows the lower
> tone at about 185.3009 kHz, meaning it's really more like 185.3004 kHz.
> But on your capture scale WH2XXP should appear at
> 185.3049+0.0005=185.3054 kHz.  If it's there that would put it above
> your capture scale. Whatever is going on just 3.4 Hz up would seem to be
> something else, most likely a spurious but maybe someone else is
> experimenting around the lowfer watering hole and will come out of the
> woodwork soon.
>
> 73, Garry
>
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