GLOSSARY - T
| Telecommand | instruction intended to modify the mode or configuration of a satellite sent over a dedicated radio link between the satellite control centre and the satellite | | Telemetry | continuous stream of data transmitted by the satellite to the satellite control centre providing information on the status of the satellite and the values of key operational parameters | | Terminal | any device which can send or receive data | | Terrestrial | relating to the Earth | | Time Assigned Speech Interpolation (TASI) | a technique for dynamic channel assignent in which a channel is assigned only when a user is actually speaking | | Time Division Multiple Access (TDMA) | a technique in which several earth stations share a repeater by transmitting on the same frequency but at different times | | Time out | period of time before a system performs some action | | Tine | see finger | | Transceiver | a transmitter and receiver in a single unit | | Transcoder | a device which converts from one TV standard to another | | Transponder | signal path through a communications satellite payload which receives, amplifies and retransmits a channel; another name for transponder is repeater |
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