Satellite TV is a television program delivery system using the broadcast signals transmitted by the communication satellites. Signals are received from an external antenna parabola commonly referred to as a satellite antenna and a low noise downconverter (LNB). A satellite receiver decodes the TV program you want to display on a TV. Receivers can be an external set-top box or a built-in TV tuner. Satellite TV offers a wide range of channels and services, especially for geographic areas, no terrestrial television or cable television.
The most common method is receiving direct satellite TV (DBSTV), also known as “home-based” (DTH). In DBSTV systems, signals are transmitted by a Ku-wavelength-wavelength satellite transmission and are fully digital. Previously used TV systems and satellite systems known as just television receivers. These systems receive analog signals transmitted in the FSS-type C-band spectrum and require the use of large plates. As a result, these systems have been dubbed “large plates” and are more expensive and less popular.
Direct broadcast satellite TV signals were former analog signals and digital signals later, both require a compatible receiver. Digital signals may include high definition television (HDTV). Some transmissions and channels are free or free, while many other channels are pay-TV requires a signature. In 1945, British science fiction writer Arthur C. Clarke proposed a global communications system that worked through three equidistant satellites in terrestrial orbit. This was published in October 1945 in the Wireless World magazine and won the Stuart Ballantine Franklin Institute Medal in 1963.
The first satellite TV signal from Europe to America do Norte was retransmitted through the Telstar satellite over the Atlantic Ocean on July 23, 1962. Signals were received and transmitted to countries in North America and Europe and seen From more than 100 million. Launched in 1962, satellite relay 1 was the first satellite to broadcast US television signals to Japan. The first geocynchronous communication satellite, Syncom 2, was released on July 26, 1963.
The world’s first commercial communications satellite, called Intelsat I, nicknamed Early Bird, was released in geostationary orbit on April 6, 1965. The first national satellite television network, called Orbit, was created by the Soviet Union In October 1967 and was based on the principle of using the very elliptical satellite Molniya for forwarding and delivering television signals to downlink earth stations. The first US commercial satellite to carry television broadcasts was Canada’s Anik 1 geostationary, which was released on November 9, 1972. ATS-6, the first experimental educational and satellite broadcasting television (DBS) television channel, Released on May 30, 1974. It passed the FM 860 MHz modulation with broadband and had two audio channels. Transmissions focused on the Indian subcontinent, but experimenters were able to receive the signal in Western Europe using built-in home appliances that used UHF TV design techniques already in use.
The first of a series of Soviet geostationary satellite to bring Direct-To-Home television, 1 Ekran, was launched on October 26, 1976. It used a UHF 714 MHz downlink frequency so that transmissions can be received with technology UHF television exists instead of microwave technology.