# yaml-language-server: $schema=../../../../../_schema/ssrf-lite-0.10.0.schema.json $schema: "../../../../../_schema/ssrf-lite-0.10.0.schema.json" ssrf_lite_version: "0.10.0" ssrf_lite: sources: - name: "Illinois Railroads - RadioReference DB" url: "https://www.radioreference.com/db/aid/4563" accessed: "2026-09-26" organizations: - id: org_metra name: "Metra (Northeast Illinois Regional Commuter Railroad Corp.)" locations: - id: loc_chicago_metro name: "Chicago Metro (statewide operations)" lat: 41.8781 lon: -87.6298 stations: - id: stn_metra_road call_sign: null organization_id: org_metra location_id: loc_chicago_metro service: "railroad_aar" - id: stn_metra_pd call_sign: null organization_id: org_metra location_id: loc_chicago_metro service: "railroad_aar" # Metra PD frequencies outside the AAR VHF band use public_safety_part90 - id: stn_metra_pd_uhf call_sign: null organization_id: org_metra location_id: loc_chicago_metro service: "public_safety_part90" - id: stn_metra_nxdn call_sign: "WQXZ480" organization_id: org_metra location_id: loc_chicago_metro service: "public_safety_part90" antennas: - id: ant_metra_road station_id: stn_metra_road name: "Road/Wayside" - id: ant_metra_pd station_id: stn_metra_pd name: "Police (AAR band)" - id: ant_metra_pd_uhf station_id: stn_metra_pd_uhf name: "Police (UHF / VHF out-of-band)" - id: ant_metra_nxdn station_id: stn_metra_nxdn name: "CUS NXDN Repeater" authorizations: - id: auth_metra_aar authority: "FCC" service: "railroad_aar" class: "Part 90 PLMR" identifier: null notes: "TX restricted to Metra licensees and contractors. RX-only for general public." rf_chains: # --- Road channels --- # SW Service: Chicago to 21st St (AAR 13) — license KNFX766 - id: chain_metra_13_sw_north station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 160.305 } tx: { freq_mhz: 160.305, emission: "11K2F3E" } mode: { type: "FM" } # SW Service: 21st St to Manhattan (AAR 22) — license WNQU573 - id: chain_metra_22_sw_south station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 160.440 } tx: { freq_mhz: 160.440, emission: "11K2F3E" } mode: { type: "FM" } # Milwaukee District North (AAR 44) — license KFW518 - id: chain_metra_44_mdn station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 160.770 } tx: { freq_mhz: 160.770, emission: "11K2F3E" } mode: { type: "FM" } # Milwaukee District West (AAR 94) — license KFW519 - id: chain_metra_94_mdw station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 161.520 } tx: { freq_mhz: 161.520, emission: "11K2F3E" } mode: { type: "FM" } # Metra Electric (AAR 61) — license WNMV660, PL 173.8 - id: chain_metra_61_electric station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 161.025 } tx: { freq_mhz: 161.025, emission: "11K2F3E" } mode: { type: "FM", ctcss_rx_hz: 173.8, ctcss_tx_hz: 173.8 } # Heritage Corridor (AAR 54) — license KNFX766 - id: chain_metra_54_heritage station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 160.920 } tx: { freq_mhz: 160.920, emission: "11K2F3E" } mode: { type: "FM" } # Rock Island District (AAR 82) — license KSB864 - id: chain_metra_82_ri station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 161.340 } tx: { freq_mhz: 161.340, emission: "11K2F3E" } mode: { type: "FM" } # UP-North Ogilvie (AAR 52) — no license listed - id: chain_metra_52_up_north_ogilvie station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 160.890 } tx: { freq_mhz: 160.890, emission: "11K2F3E" } mode: { type: "FM" } # UP-North Clybourn-Kenosha (AAR 62) — no license listed - id: chain_metra_62_up_north_cly_ken station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 161.040 } tx: { freq_mhz: 161.040, emission: "11K2F3E" } mode: { type: "FM" } # Passenger Services (AAR 74) — license WNBG753 - id: chain_metra_74_pass_svc station_id: stn_metra_road antenna_id: ant_metra_road rx: { freq_mhz: 161.220 } tx: { freq_mhz: 161.220, emission: "11K2F3E" } mode: { type: "FM" } # --- Police channels --- # Police Ch 33 — license WNBG753, PL 146.2 - id: chain_metra_33_pd station_id: stn_metra_pd antenna_id: ant_metra_pd rx: { freq_mhz: 160.605 } tx: { freq_mhz: 160.605, emission: "11K2F3E" } mode: { type: "FM", ctcss_rx_hz: 146.2, ctcss_tx_hz: 146.2 } # Police (AAR 35) — license WNBG753 - id: chain_metra_35_pd station_id: stn_metra_pd antenna_id: ant_metra_pd rx: { freq_mhz: 160.635 } tx: { freq_mhz: 160.635, emission: "11K2F3E" } mode: { type: "FM" } # Police — license KFW518 (161.610 is above the AAR allocation ceiling; public_safety_part90) - id: chain_metra_pd_kfw518 station_id: stn_metra_pd_uhf antenna_id: ant_metra_pd_uhf rx: { freq_mhz: 161.610 } tx: { freq_mhz: 161.610, emission: "11K2F3E" } mode: { type: "FM" } # Police Mobile Extenders (UHF) — license WPTW445, PL 77.0 - id: chain_metra_pd_mx station_id: stn_metra_pd_uhf antenna_id: ant_metra_pd_uhf rx: { freq_mhz: 453.4875 } tx: { freq_mhz: 453.4875, emission: "11K2F3E" } mode: { type: "FM", ctcss_rx_hz: 77.0, ctcss_tx_hz: 77.0 } # --- NXDN repeater --- # Chicago Union Station Ops — license WQXZ480 (150.890 MHz; public_safety_part90) - id: chain_metra_cus_nxdn station_id: stn_metra_nxdn antenna_id: ant_metra_nxdn rx: { freq_mhz: 150.890 } tx: { freq_mhz: 150.890, emission: "6K00FXE" } mode: { type: "NXDN", nxdn_ran: null, notes: "NXDN48; Chicago Union Station Ops" } assignments: - id: asgn_metra_13_sw_north channel_name: "Metra SW North (AAR 13)" rf_chain_id: chain_metra_13_sw_north usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_22_sw_south channel_name: "Metra SW South (AAR 22)" rf_chain_id: chain_metra_22_sw_south usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_44_mdn channel_name: "Metra MD-N (AAR 44)" rf_chain_id: chain_metra_44_mdn usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_94_mdw channel_name: "Metra MD-W (AAR 94)" rf_chain_id: chain_metra_94_mdw usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_61_electric channel_name: "Metra Electric (AAR 61)" rf_chain_id: chain_metra_61_electric usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_54_heritage channel_name: "Metra Heritage Corridor (AAR 54)" rf_chain_id: chain_metra_54_heritage usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_82_ri channel_name: "Metra Rock Island (AAR 82)" rf_chain_id: chain_metra_82_ri usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_52_up_north_ogilvie channel_name: "Metra UP-N Ogilvie (AAR 52)" rf_chain_id: chain_metra_52_up_north_ogilvie usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_62_up_north_cly_ken channel_name: "Metra UP-N Clybourn-Kenosha (AAR 62)" rf_chain_id: chain_metra_62_up_north_cly_ken usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_74_pass_svc channel_name: "Metra Passenger Svc (AAR 74)" rf_chain_id: chain_metra_74_pass_svc usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_33_pd channel_name: "Metra Police (AAR 33)" rf_chain_id: chain_metra_33_pd usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_35_pd channel_name: "Metra Police (AAR 35)" rf_chain_id: chain_metra_35_pd usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_pd_kfw518 channel_name: "Metra Police 161.610" rf_chain_id: chain_metra_pd_kfw518 usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_pd_mx channel_name: "Metra Police Mobile Ext" rf_chain_id: chain_metra_pd_mx usage: "simplex" authorization_id: auth_metra_aar - id: asgn_metra_cus_nxdn channel_name: "Metra CUS Ops (NXDN)" rf_chain_id: chain_metra_cus_nxdn usage: "repeater" authorization_id: auth_metra_aar comments: - text: | Metra crews operate on the Road channel of the host railroad for BNSF, UP-N/NW/W, Heritage (CN), and North Central (CN) lines. Locomotives and rolling stock are Metra-owned; crews are Metra except on BNSF and UP lines. RX-only for general public per Part 90.