Last updated: 1-12-00 Here is a BNSF freq list with channel numbers Burlington Northern Pacific Division Radio Channels (Seattle - Portland Region) The radio frequency used by all Northwest railroads for their rear end devices is 457.9375 MHZ. The broadcasts consist of a half-second "chirp" every 15 seconds. 12 99 Ch. Ch. Radio Freq Assignments 1 66 161.100 Main Line (Channel 1) 2 70 161.160 Main Line (Channel 2), MRL, Some Yards 3 76 161.250 Portland Area (Channel 2), Harbor Island, Car Dept. 4 36 160.650 Balmer Yard (Seattle), Tacoma Yard, Pasco Yard 5 80 161.310 Balmer Hump (Seattle), Tacoma Yard, Pasco Yard 6 60 161.010 Delta Yard, Tacoma Yard, W.Seattle, Vancouver(NP) Yard 7 48 160.830 Stacy Yard (Seattle), Yardly Yard (Spokane) 8 41 160.725 Willbridge Yard (Portland) 9 96 161.550 Seattle International Gateway, SP Mainline 10 58 160.980 South Seattle Ramp 11 57 160.965 Portland Hub Center, Spokane Hub Center 12 92 161.490 Portland Terminal RR 54 160.920 Maintenance of Way 96 161.550 SP Main Line 27 160.515 UP Main Line 1 42 160.740 UP Main Line 2 87 161.415 CN Joint Vancouver BC 34 160.620 PBX 37 160.665 Dispatch - Operations/PBX Ch. 3 (Green Mountain) 26 160.500 Yard - Gardiner, Wenatchee 93 161.505 Yard - Western Oregon, Pasco, Seattle BN MAINLINE REPEATERS 10 160.260 Pasco, WA - Wishram, WA 10 160.260 Spokane, WA - Providence/Moscow, ID 14 160.320 Spokane, WA - Kettle Falls, WA 18 160.380 Cascade Tunnel (Merritt - Skykomish) 18 160.380 Whitefish, MT area 18 160.380 Klamath Falls, OR - Bieber, CA 23 160.455 Davenport, WA - Hanson, WA (CW Branch) 26 160.500 Wenatchee, WA area 32 160.590 Bend, OR - Klamath Falls, OR