FREQUENCY	CHAN#	USAGE
160.050	CH. ??	Sudbury locomotive shop.
160.185	CH. 81	Used by the Falconbridge assignment when working on the Falconbridge Spur (see Train Symbols and Time Card).
160.815	CH. 82	Sudbury car shop.
160.875	CH. 83	Sudbury yard / area, spare channel.
161.115	CH. 04	Local assignment train (INCO-1) switching / Standby channel on Nickel Spur (when not communicating with INCO on CH. 99).
161.145	CH. 93	* Main Sudbury yard switching.
161.175	CH. 18	Ottawa Valley Railway. Train < - > RTC North Bay. Dispatch & traffic control. (C.P. trains operating on Cartier Subdivision east of Coniston.)
161.325	CH. 05	* Parry Sound Subdivision Main Channel. Train < - > RTC Calgary. Dispatch & traffic control. Also used on Cartier Sub (Romford and Sudbury yard) when CH 07 becomes congested.
161.355	CH. 99	Sudbury area Assignment & Job Trains < - > INCO Rail dispatch. Also used by CP trains while switching on INCO property.
161.475	CH. 01	Huron Central Railway. Huron Central RTC west of Copper Cliff on Webbwood Subdivision.
161.505	CH. 19	Cartier Subdivision Engineering/M.O.W. (< - > RTC Calgary). T.O.P's and general M.O.W. use.
161.535	CH. 07	* Cartier Subdivision Main Channel. Train < - > RTC Calgary. Dispatch & traffic control. Also Sudbury yard main coordination channel.
457.9375 452.9375	CH. 507 CH. 508	End-of-train telemetry (SBU). Head-of-train telemetry (CLU/IDU).