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MHz
The prefix Mega means million, and Hertz means cycles per second.
MPEG
Moving Picture Experts Group. Established by the International Standards
Organization to provide the basis for a picture coding and compression system.
Forward Error Correction (FEC)
A system of error control for data transmission.
Polarization
Polarization allows several programs to be fit into the same frequency band. The
signals from a satellite are transmitted either with linear (vertical or horizontal)
polarizations or circular (right or left) polarization.
QPSK/8PSK (Quaternary Phase Shift Keying/8 Phase Shift Keying)
Phase-shift keying in which four different phase angles are used.
Transponder
It is a frequency / carrier that carry many Channels including TV, Radio & Data.
Symbol rate
Speed of the digital transmission
Scrambled TV program
Some TV programs are transmitted in scrambled form.
