Satellite Communication Data Transmission
A communications satellite is an artificial satellite that relays and amplifies radio telecommunications signals via a transponder.
Satellite communication data transmission. 500 1500 km heo. It creates a communication channel between a source transmitter and a receiver at different locations. Satellites uses microwave frequencies for communication. Satellite communication the use of artificial satellites to provide communication links between various points on earth.
The idea of providing a data network from space direct to devices seems preposterous on its face most data communications satellites require communication with ground stations that then relay. The transmission system from the earth station to the satellite is called the uplink and the system from the satellite to the earth station is called the downlink. The tracking telemetry and control tt c system of a satellite is a two way communication link between the satellite and tt c on the ground. Satellite communications play a vital role in the global telecommunications system.
It is also used for tv broadcasting. 36000 km from the earth meo. 6000 20000 km leo. Communication satellite comprises of a transponder antenna communication payload switching systems command and control system.
Highly elliptical orbit elliptical orbits are difficulties from radiation belts. A communication satellite processes the data coming from one earth station and it converts the data into another form and send it to the second earth station. Satellite communication col john keesee satellite communications architecture identify requirements specify architectures determine link data rates design size each link document your rationale definition. Learn more about satellite.
The data transmission system is a cockpit on board tracking and data transmission device that transmits real time gps location altitude bearing time and velocity information over the web through a secure internet connection. As we know satellite communication uses satellite placed above earth for communication by vsats placed on the earth.