Satellite television is television delivered by way of orbiting communications satellites located 37,000 km (22,300 miles) above the earth's surface. The first satellite television signal was relayed from Europe to the Telstar satellite over North America in 1962. The first domestic North American satellite to carry television was Canada's Anik 1, which was launched in 1973. Definition from en.wikipedia.org/wiki/Satellite_TV

Satellite television is available as an alternative to cable. Satellite tv offers many channels that you cannot receive anywhere else.