[FedCom] RE: NTSB

[Rankin, Robert L]

What PL tone do these use?  Most FAA is 136.5.  Are these the same? It would
be handy to be able to keep my receiver quiet the rest of the time.

Bob

>I show the 166.175 to generally repeat 165.3375;  also show this freq. in
the repeat mode to be either Chan. 3 or Chan. 11. I also show 408.8250 to be
used as accident investigation, here in the Southern Region. I also show
165.7500 as Chan. 1 NTSB and 165.7625 as Chan. 2 NTSB. The 166.1750 as Chan.
3 NTSB.