Satellite Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

  • T1

A high-speed Internet connection, allowing transfer rates of 1.5 Mbps (megabytes per second).

  • T3

Faster than T1, a T-3 transfers information at a rate of 45 megabytes per second.

  • tape play-back

A Thaicom customer, usually a broadcaster, supplies a television program on a video cassette. This is broadcast to viewers from Thaicom's teleport.

  • teleport

A teleport (telecommunications port) is a hub that provides access to high-bandwidth services. The Thaicom Teleport and DTH Center is a gateway for satellite transmissions, allowing broadcasters, cablecasters, and public and private network operators to outsource non-core functions. Our Teleport feeds video, data and voice to Thaicom satellites, delivering time-sensitive television and radio programming to audiences globally. It also provides remote and underdeveloped regions with high-quality Internet and network connections.

  • terrestrial feed

Transmission via land lines or direct (without lines). Different from a satellite feed.

  • time code

A digitally encoded signal that is recorded on videotape as hours : minutes : seconds : frames.

  • time signal

A beep, sometimes accompanied by a commercial announcement; also called a time check.

  • time slot

A period in a transmission schedule. A program starting and ending at specific times is given a time slot, such as 7 p.m. to 9 p.m.

  • time-coding

The date and time recorded on the edge of a videotape as it is being shot, to assist in editing and record keeping.

  • tracking

Targeting a signal source, such as a satellite, by a tracking station and following that satellite. Also, the adjustment in a VCR of the videotape playback position against the video reel heads.

  • trailer

A promotional announcement at the end of one program about a forthcoming program or a commercial attached to the end of a program or another commercial. Also, a short, blank strip at the end of a reel of tape.

  • transmission

The actual sending or beaming of the audio/video portion of the program from point to point.

  • transponder

In a Thaicom satellite, a device that receives a earth-based signal, shifts the signalís frequency, amplifies the signal, and retransmits the signal to receivers on the earth.

  • turnaround

Receiving a signal from one satellite and re-broadcasting it to another. Thaicom satellites do this to send programs around the world.

  • TVRO

Television Receive Only terminals that use antenna reflectors and associated electronic equipment to receive and process television and audio communications via satellite. Typically small home systems.

  • tying in

A procedure for a local station to pick up or to join a network program after it has started.

  • TWTA (Traveling-wave-tube amplifier)

A traveling-wave tube (TWT) is an electronic device used to amplify radio frequency signals to high power, usually in an electronic assembly known as a traveling-wave tube amplifier (TWTA).



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