Radio stations: Morocco's state broadcaster, Société Nationale de Radiodiffusion et de Télévision (SNRT, formerly RTM) operates a radio service from Laayoune (2008);[3] Polisario-backed medium wave (AM) and shortwave radio stations are on the air (2008);[3] Unofficial amateur radio stations occasionally operate from Polisario territory. This is classified as the DXCC entity "Western Sahara".[4] Operators use callsigns with the prefix "S0"; an informal identifier that has not been issued by the International Telecommunications Union.[5] Radios: 56,000 (1997).[needs update] Television stations: Morocco's state broadcaster, SNRT, operates a TV service that is relayed in the territory (2008).[3] The Polisario-owned territory operates a minor television service known by the name of RASD TV. Television sets: 6,000 (1997).[needs update]