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The following radio stations broadcast on AM frequency 540 kHz: 540 AM is a Canadian and Mexican clear-channel frequency. CBK, Watrous-Regina, Saskatchewan, and XEWA San Luis Potosí, Mexico, share Class A status on 540 kHz.
Because 540 kHz is a multiple of both 9 and 10, the frequency is available for use by broadcast stations in all three ITU regions.
Stations in bold are clear-channel stations.
| Call sign | City of license | Daytime power (kW) | Nighttime power (kW) | Transmitter coordinates |
|---|---|---|---|---|
| CBK | Watrous, Saskatchewan | 50 | 50 | 51°40′48″N 105°26′48″W / 51.68°N 105.446667°W |
| CBKO | Coal Harbour, British Columbia | 0.04 | 0.04 | 50°36′04″N 127°34′23″W / 50.601111°N 127.573056°W |
| CBYW | Wells, British Columbia | 0.04 | 0.04 | 53°06′25″N 121°32′45″W / 53.106944°N 121.545833°W |
Stations in bold are clear-channel stations.
| Call sign | City of license | Power (kW) | Transmitter coordinates |
|---|---|---|---|
| XESURF-AM | Tijuana, Baja California | 25 | 32°30′45″N 117°06′38″W / 32.512389°N 117.110556°W |
| XETX-AM | Nuevo Casas Grandes, Chihuahua | 25 | 30°22′16″N 107°58′51″W / 30.371219°N 107.980844°W |
| XEWF-AM | Tlalmanalco, State of Mexico | 20 | 19°10′14″N 98°50′49″W / 19.170417°N 98.846972°W |
| XEHS-AM | Los Mochis, Sinaloa | 25 | 25°48′32″N 108°58′10″W / 25.808889°N 108.969444°W |
| XEWA-AM | San Luis Potosí, San Luis Potosí | 150 | 22°09′29″N 100°55′35″W / 22.157944°N 100.92625°W |