The determination of the position, velocity and/or other characteristics of an object, or the obtaining of information relating to these parameters, by means of the propagation properties of radio waves. [NTIA] [RR] [47CFR]

A station in the radiodetermination service. [NTIA] [RR]

A radiocommunication service for the purpose of radiodetermination involving the use of one or more space stations. This service may also include feeder links necessary for its own operation. [NTIA] [RR] [47CFR]

Radiodetermination used for purposes other than those of radionavigation. [NTIA] [RR] [47CFR]

A station in the radiolocation service not intended to be used while in motion. [NTIA] [RR] [47CFR]

1. A station in the radiolocation service intended to be used while in motion or during halts at unspecified points. [NTIA] [RR]
2. A station intended to be used while in motion or during halts at unspecified points. [47CFR]

A radiodetermination service for the purpose of radiolocation. [NTIA] [RR]

Synonym monitoring.

The science of radiation measurement. See Table of Radiometric Terms. TABLE OF RADIOMETRIC TERMS Term Symbol Quantity Unit radiant energy Q energy joule (J) radiant power Synonym optical power power watt (W) irradiance E power incident per unit area (irrespective of angle) W•m-2 spectral irradiance E irradiance per unit wavelength interval at a given wavelength W•m-2•nm-1 radiant emittance Synonym radiant… (Read More →)

1. Radiolocation intended for the determination of position or direction or for obstruction warning in navigation. [JP 1-02]
2. Radiodetermination used for the purposes of navigation, including obstruction warning. [NTIA] [RR] [47CFR]