The assembling of pertinent geographical and environmental data required to design a radio communication system.

(J1 or J2), a sequence of bytes, used to transmit a unique message so that the receiving terminal in a path can verify it is connected to the intended transmitter.

The identification of objects and images by their shapes, forms, outlines, color, surface texture, temperature, or other attribute, usually by automatic means. [From Weik '89]

A device for connecting an unbalanced coaxial feeder to a balanced antenna.

Abbreviation for private automatic exchange. See PBX.

1. In a set of data, such as a data field, block, or stream, being processed or transported, the part that represents user information and user overhead information, and may include user-requested additional information, such as network management and accounting information.
Note: The payload does not include system overhead information for the processing or transportation system. Synonym mission bit stream.… (Read More →)

A signal used to command the far-end receiver to loop back the received payload. [T1.107-1988]

The portion of a payload that completely occupies one or more channels.

Bits that are assigned at the source and remain with the information payload until the payload reaches the sink and are used for functions associated with transporting the payload. [T1.107-1988]

The pointer that indicates the location of the beginning of the synchronous payload envelope. [T1.105-1988]