[Lowfer] SAQ in Mechanicsburg, PA.

[David L. Wilson]

> amplified 20db and not a peep! I did see a pair of strange signals around
> 18.1 

Russian navy FSK on 18.1 kHz.  75 Hz shift.  They go on and off when active.

and a 20 khz firing up at random times all night. The signal around 20 khz
> was a dual frequency signal with 1 carrier on 19.8 and the other on 20.4 .
The
> 2 carriers started together at 20.1 then slowly split apart .Ill try to
attatch a
> screenshot and maybe someone can ID it .

I do not think that was real signal--more like some sort of local QRM.
Tuning circuits required for power at VLF make doing such difficult.