Central Maine and Quebec Railway (CMQ) and EMRY
|Central Maine and Quebec Railway (CMQ) and EMRY||Rail
Central Maine & Quebec (CMQ) is a subsidiary of Canadian Pacific Railway (CPR)
RF MHz, (AAR Chan), Function:
160.260 (10) Road / 160.410 (20) / 160.455 (23) Yard / 160.560 (30) / 161.370 (84) / 161.550 (96) Repeater MOW / 160.920 (54) / 452.9375 Head-of-Train (HOT)Telemetry / 457.9375 End-of-Train (EOT) Telemetry
CMQ omments: Reception of the HOT/EOT signal usually indicates that there is a train in the vicinity of the Onawa Trestle. A short beep at the end of a transmission indicates it is a transmission on the repeater. A longer tone on the road channel is a call-up or ring-tone calling the CP Dispatcher. The Dispatcher usually answers "CP, Iowa, Brownville" (CP Dispatcher located in Iowa, talking on the Brownville Junction Tower.) CP is currently (June 2020) dispatching from their Iowa backup dispatching facility instead of the normal Minniapolis, Minnesota facility due to the civil unrest there. Track warrents issued by the CP dispatcher to CMQ are numbered sequentially starting at 01 and are typically a maximum of 2 digits (18, 19, 20)
Eastern Maine Railway (EMRY)
161.475 (91) Road / 161.355 (83) / 160.935 (55) / 161.205 (73) / 160.425 (21).
EMRY Comments: HOT/EOT for EMRYcannot be heard at this location. EMRY is dispatched by RailTerm Dispatch. EMR clearances on the Mattawamkeag Sub are numbered sequentially 48XX (4801,4802, 4803).
Feed Technical Details: The radio is located about 10 miles west of Brownville Junction, Maine. Brownville tower, Greenville tower, and Charleston tower can usually be heard. The feed radio is a Whistler 1080 feeding audio to a MinisForum Z83-F Mini PC running Windows 10, running the RadioFeed app from ProScan.org. The antenna is an Arrow II Back Pack Portable, Model 162-4BP, a 4-element Yagi which provides in the neighborhood of 10dbi gain. The antenna is a special order from Arrow, cut to 162 MHz and is a variant of the Arrow 146-4BP antenna.