[FedCom] 173.9875 NFM

[toscano2 at ix.netcom.com]

Perhaps it is some kind of sensor, sending the signal to maintain contact with the receiving device. I am thinking along the lines of PEWS, although PEWS is on +/- 141MHz.

-----Original Message-----
>From: gary <lists at lazygranch.com>
>Sent: Sep 5, 2008 3:14 AM
>To: Discussion of Federal Government Communications <fedcom at mailman.qth.net>
>Subject: [FedCom] 173.9875 NFM
>
>http://www.lazygranch.com/sound/173p9875.wav
>
>This is some digital sound that appears around the Nellis range (Central 
>Nevada). It is not as frequent as heard on this wav file. Rather, these 
>are chirps that I recorded from a discriminator tap. I used the tap and 
>save the file in wave format in the event someone wants to do some 
>analysis on the signal.
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