Mutual Aid Freqs / Tones

[NeFire242]

Ran across this today and thought I'd pass it along, full of info.
http://www.docstoc.com/docs/1058902/Mutual-Aid-Common-Frequencies-Manual

 

[mtrdmn]

Just as FYI, in case it disappears from that site, it is also on the Montana Public Safety Services Bureau's website:

http://pssb.mt.gov/default.mcpx