(telecommunications) An authorization, given by an administration, for a radio station to use a radio frequency or radio frequency channel under specified conditions.

plural of frequency multiplier

A frequency or range of frequencies of sound waves that are audible.

(radio) A frequency to which a carrier frequency is shifted as an intermediate step in transmission or reception; generally associated with superheterodyne receivers.

(physics, fluid dynamics) A scalar measure of rate of rotation

plural of frequency modulation

(radio) The frequency area from 3 MHz through 30 MHz, commonly used for radio broadcasting.

plural of frequency assignment

plural of frequency channel

(statistics) The number of data points satisfying something divided by the total number of data points.