DTMF Tones on 173.225

[afdengine3]

I am hearing what sounds like three different sites transmitting a near constant stream of DTMF codes near Brevard. One tower is 4 bars, one is 2 bars and one is 1 bar. Any ideas what that would be? The DB doesn't list anything on that freq. It doesn't sound like a paging system.
Just curious,
Chris

 

[ecps92]

RadioReference.com - Scanner Frequencies and Radio Frequency Reference Database

TRANSYLVANIA UTILITIES, INC.

I am hearing what sounds like three different sites transmitting a near constant stream of DTMF codes near Brevard. One tower is 4 bars, one is 2 bars and one is 1 bar. Any ideas what that would be? The DB doesn't list anything on that freq. It doesn't sound like a paging system.
Just curious,
Chris