sattelite bandwidth is broken into segments called transponders
intel sat
250 msec
In satellite communication uplink (transmission of signal from earth station to satellite ) & downlink (reception of signal from satellite to earth station) takes place TX & RX involves a finite amount of delay which is acceptable in data communication, but i audio & video TX this delay is unacceptable, overlapping/ alaising causes errors which demodulated by qpsk.
satellite is satellite
A propagation delay is the amount of time it takes radio waves to travel from the surface of the Earth to the satellite and then back down to the Earth. The calculation of the delay is based upon the altitude and position of the satellite systems.
The acronym INSAT means Indian National Satellite in the Geo Stationary Orbit. The GSO satellites are useful for communication and weather forecasting . They carry C , Extended C and Ku Band Transponders (16 Numbers ) for TVRO and DBS schemes. The satellite design, testing, fabrication and assembly are the joint venture of Technical persons of ISRO and any individual.
definition of optical satellite communication
The first communication satellite was Echo NASA
If you are considering putting in a satellite dish, then you may have a few questions about how fast the feed is. You can expect a three to nine second delay when watching over satellite.
check out lyngsat.com for a list of sats transponders channels and frequencies
Why Fresnel zone affecting satellite and ground communication?
Com = Communication, Sat = Satellite