Monitors frequencies most often used by Canadian Pacific, as well as Canadian National, near Towers B-12 and B-17 in Bensenville, including: • AAR 94 94 (161.520 mHz, Elgin Sub Road Channel) • AAR 54 54 (160.920 mHz, CN Waukesha Sub End-to-End Channel) • AAR 88 88 (161.430 mHz, Bensenville Yard Channel) • AAR 44 44 (160.770 mHz, C&M Sub Road Channel) • AAR 79 79 (161.295 mHz, CN Waukesha Sub, RTC Dial-in Channel) • AAR 25 25 (160.485 mHz, Union Pacific Milwaukee Sub Channel)
