Glossary:

ATIS Telecom Glossary

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coordinated clock

One of a set of clocks distributed over a spatial region, producing time scales that are synchronized to the time scale of a reference clock at a specified location.

Coordinated Conversion

A process whereby a portion of the equipment or facilities from an existing service is to be reused in a replacement service.

Coordinated Universal Time (UTC)

Time scale based on the second (SI), as defined and recommended by the CCIR, and maintained by the Bureau International des Poids et Mesures (BIPM). For most practical purposes associated with the Radio Regulations, UTC is equivalent to mean solar time at the prime meridian (0° longitude), formerly expressed in GMT. [NTIA] [RR]
Note 1: The maintenance by BIPM includes… (Read More →)

coordination area

The area associated with an Earth station outside of which a terrestrial station sharing the same frequency band neither causes nor is subject to interfering emissions greater than a permissible level. [NTIA] [RR]

coordination contour

1. The line enclosing the coordination area. [NTIA] [RR]
2. The perimeter of the coordination area.

coordination distance

1. Distance on a given azimuth from an Earth station beyond which a terrestrial station sharing the same frequency band neither causes nor is subject to interfering emissions greater than a permissible level. [NTIA] [RR]
2. For the purpose of this part [of 47CFR], the expression "coordination distance" means the distance from an earth station, within which there is a… (Read More →)

copy

1. To receive a message.
2. A recorded message or a duplicate of it.
3. To read data from a source, leaving the source data unchanged at the source, and to write the same data elsewhere, though they may be in a physical form that differs from that of the source.
4. To understand a transmitted message.

Copy Control

The enforcement of conditions under which copyrighted content can be copied. Copy Control is one part of Content Protection.

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