Satellites

Satellites

Of or relating to any man-made object launched to orbit Earth or another celestial body.

Industry: Aerospace

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Satellites

National Television Standards Committee (NTSC)

Aerospace; Satellites

A video standard established by the United States (RCA/NBC) and adopted by numerous other countries. This is a 525-line video with 3.58-MHz chroma subcarrier and 60 cycles per second.

T3 channel (DS-3)

Aerospace; Satellites

In North America, a digital channel which communicates at 45.304 Mbps.

L-Band

Aerospace; Satellites

The frequency range from 0.5 to 1.5 GHz. Also used to refer to the 950 to 1450MHz used for mobile communications.

Ku-Band

Aerospace; Satellites

The frequency range from 10.9 to 17 GHz.

Edge of coverage

Aerospace; Satellites

Limit of a satellite's defined service area. In many cases, the EOC is defined as being 3 dB down from the signal level at beam center. However, reception may still be possible beyond the -3dB point.

Digital speech interpolation

Aerospace; Satellites

DSI - A means of transmitting telephony. Two and One half to three times more efficiently based on the principle that people are talking only about 40% of the time.