Satellite Glossary
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EIRP
Effective Isotropic Radiated Power.
Edge of Coverage (EOC)
The outer geographical limit to which service can be provided.
earth station
Equipment for transmitting or receiving Thaicom satellite communications, such as a parabolic or dish antenna. Also called a ground station.
electronic setup
The prebroadcast time during which equipment is set up and tested.
electronic program guide
A text menu of programs showing to be shown on a channel.
elevation
The angle above the horizon (0 degrees) and directly overhead (90 degrees).
encode
To convert signals or data into a desired form.
encoder
A device capable of compressing a data stream.
encrypted subscriber management
A system that allows access to certain services to specific subscribers. Encryption means that the system is more secure than others.
encryption
The process of encoding, as in the scrambling of TV signals. Pay-TV transmission often is encrypted, and subscribers have devices that decrypt, or unscramble.
end of life (EOL)
The age at which a satellite may be expected to cease operations through lack of power or wear and tear. For Thaicom, this is about 15 years.
ENG
Electronic news gathering.
equalizer
A process that attempts to enhance the quality of a recording by filtering out distortions and other undesirable elements.
