Satellite

Overview#

Satellite usually a communications satellite relays and amplifies radio telecommunications signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Satellites are used for television, telephone, radio, internet, and military applications. There are 2,134 communications satellites in Earth’s orbit (2016), used by both private and Government Entity organizations. Many are in geostationary orbit 22,200 miles (35,700 km) above the equator, so that the Satellite appears stationary at the same point in the sky, so the satellite dish antennas of ground stations can be aimed permanently at that spot and do not have to move to track it.

Ground station#

Ground station, Earth station, or Earth terminal is a terrestrial radio station designed for extraplanetary telecommunication with Satellite (constituting part of the ground segment of the spacecraft system), or reception of radio waves from astronomical radio sources. Ground stations may be located either on the surface of the Earth, or in its atmosphere.

Earth stations communicate with spacecraft by transmitting and receiving radio waves in the super high frequency (SHF) or extremely high frequency (EHF) bands (e.g. microwaves). When a ground station successfully transmits radio waves to a spacecraft (or vice versa), it establishes a telecommunications link. A principal telecommunications device of the ground station is the parabolic antenna.

Ground Station as a Service (GSaaS) that enables Ground station customers to communicate, downlink, & process data from their satellites/spacecrafts on as a pay-as-you go basis without needing them to build their own satellite ground stations.

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