[Spooks] Super strange signal at 5241 kHz in USB mode

[Tom Morris]

Whatever it is, it does a very good job of being a Shepard Tone!
https://en.wikipedia.org/wiki/Shepard_tone



On Fri, Mar 23, 2018 at 3:55 PM, Curt Rowlett <labyrinththirteen at gmail.com>
wrote:

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> I really have no idea exactly what this signal is. It is a bit similar to
> the "XM Whales/Backwards Music Station" signal, but not exactly. I was
> notified by a friend earlier this morning that this was transmitting on
> 5241 kHz but I was away from my computer at the time. But as you can see,
> it was still going strong hours later.
>
> Video of the signal here: https://youtu.be/I23xouOBgJM
>
> Recorded via the SDR located in Mala, Sweden:
> http://aspliden.mooo.com:8073/?f=5421usb
>
> Curt / W9SPY
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-- 
--
Tom Morris, KG4CYX
Chief Engineer, Results Radio of Redding
786-228-7087