[MilCom] Unusual data signal heard.

[Larry Van Horn]

Kurt has forwarded his audio file to me and I have posted it to the web. You 
can get details regarding this digital transmission at 
http://mt-milcom.blogspot.com/2012/03/can-you-id-this-digital-transmission.html. 
You can hear the audio file at 
http://audioboo.fm/boos/729749-kd7jyk-222-mhz-digital-audio-recording.

If you have any idea what Kurt and his friend heard, either email me or Kurt 
direct, or you can reply here on this listserv.

Thanks and 73

Larry Van Horn, N5FPW
Brasstown, NC USA
MT Assistant/Review/Technical Editor
Milcom Monitoring Post http://mt-milcom.blogspot.com/
Twitter: @MilcomMP

----- Original Message ----- 
From: "KD7JYK DM09" <kd7jyk at earthlink.net>
To: <milcom at mailman.qth.net>
Sent: Saturday, March 24, 2012 3:22 PM
Subject: [MilCom] Unusual data signal heard.


> Several years ago I heard an unsual data signal on 222.000 MHz FM.  I was 
> in
> the basement of a stucco house using an HT with 5" whip, and due to my
> location and fading of the signal assumed it was a satellite.  I asked on 
> a
> satellite list at the time and provided a recording to a few people, none
> could ID it.  A friend provided a nearly identical recording this morning
> with the following note:
>
> "The attached sounds were recorded from a scanner radio, monitoring milair
> frequencies, during an air excercise near Rachel, Nevada. It's not PSK and
> I've never heard anything like it before. Can you tell me what it is?
> Message content, perhaps?"
>
> The signal is a rapid series of tone all over the audio spectrum.  In my
> recording, the tones were slower and static could be heard between them, 
> in
> my friends recording, they are much faster with little time between them. 
> I
> would describe it as old video game sound effects.
>
> Recordings provided upon request, if someone could host them on a webpage,
> all the better.
>
> Kurt
>
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