[Lowfer] 12.450 KHz Data Signal

[Dexter McIntyre W4DEX]

Nice sleuth work Andy!  I'm amazed you determined all that from such a noisy 
signal.  Maybe that info will help locate the source.

Thanks!
Dex

Andy - KU4XR wrote:
> I don't know why; fascination I suppose. I used an audio analyser
> program with a real time tone frequency meter to look at the
> mystery data burst signal. It has a pilot tone of 1000 cycles,
> and an audio frequency shift of +80 cycles maximum. The data tones
> are each 10 cycles apart from 1,020 up to 1,080 cycles. Watching 
> the frequency meter, I can see the tone frequencies changing on
> the readout, of course, very rapidly within the 1 second burst.
> 
> 
> Andy - KU4XR - EM75xr - Friendsville, TN. USA
> LOWfer Beacon " XR " @ 185.29875 KHz ( QRSS-60 )
> Coordinates:  N:  35º 43' 54" - W:  84º 3' 16"
> http://www.myspace.com/beaconxr
> http://webpages.charter.net/ku4xr/