160.590 Ch. 1 Road and Dispatcher
160.530 Ch. 2 Road and Dispatcher
160.845 Ch. 3 Chicago Yard & East Michigan Dispatcher
160.815 Ch. 4 Orion Yard
160.920/160.260 PBX - Detroit, Battle Creek, Durand, & Edwardsburg MI
160.950/160.845 PBX - Ainsworth, IN
161.010/160.260 PBX - Pontiac, & Saginaw, MI
160.455/??????? PBX - Flat Rock, MI
160.950 MofW
160.740 Police, except Chicago
160.905 Police - Chicago
161.205 Police - Mutual Aid