For multichannel equipment, the ratio of (a) the mean noise power measured in any channel, with all channels loaded with white noise, to (b) the mean noise power measured in the same channel, with all channels but the measured channel loaded with white noise.

Signaling that uses frequencies or time slots within the bandwidth or data stream occupied by the information channel.

A feature that enables the UPT (Universal Personal Telecommunications service) user to register from the current terminal address for incoming calls to be presented to that terminal address. When registered, all incoming calls to the UPT number of the UPT user will be presented to the registered terminal address, for the duration specified by the UPT user (duration may also… (Read More →)

Signaling performed in the associated channel time slot.

A signaling link that has been deactivated and cannot therefore carry signaling traffic. [T1.110-1987]

1. Industry Numbering Committee,
2. International Carrier.

1. In information systems (IS), [an] assessed occurrence having actual or potentially adverse effects on an IS. [INFOSEC-99]
2. In COMSEC, the occurrence that potentially jeopardizes the security of COMSEC material or the secure electrical transmission of national security information or information governed by 10 U. S. C. Section
231
5. [INFOSEC-99]

A device that radiates radio frequency energy during the course of its operation although the device is not intentionally designed to generate radio frequency energy. [NTIA]

The angle determined by the plane containing the orbit and the plane of the Earth's equator. [NTIA] [RR]

Any nonequatorial orbit of a satellite.
Note: Inclined orbits may be circular or elliptical, synchronous or asynchronous, and direct or retrograde.