Montgomery County (MD) Fire Tone Outs
From The RadioReference Wiki
As of this writing, there were 2 PDF files in the database that listed FTO information. They are linked below. They date from the 2006 time frame, and updates are solicited.
Timing information as given (not needed for the newer firmware in Uniden scanners):
- Duration Tone A: 1000 ms
- Duration Tone B: 3000 ms
- Tone Gap: 120 ms