Satellite Glossary
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Medium Earth Orbit (MEO)
A medium altitude, in an approximately 10,000 12,000 km oval orbit, above either the north or south pole.
MHz (megahertz)
The frequency equal to one million Hertz, or cycles per second.
microwave
Line-of sight, point-to-point transmission of high-frequency radio signals (about 1 GHz and above).
minimicrowave
A video transmission from and outside-studio location to a mobile unit or a transmitter on a nearby roof. Thaicom satellite technology makes this method outdated.
mobile unit
A vehicle for outside broadcasts; also called a mobile production unit. p>
modulate
To change the frequency, phase, or amplitude of a carrier wave. A modulator is a device that modulates.
Moving Picture Experts Group (MPEG)
A standard for digital compression and decompression of audio and video file formats.
MTTF (Mean Time To Failure)
The average time between hardware breakdown or loss of service.
multiplexing
A technique that merges several data streams into one in such a way that each can later be recovered intact.