radio frequency
From Glossary of Meteorology
- (Abbreviated RF.) The number of oscillations per second of the electric and magnetic fields in the radio portion of the electromagnetic spectrum, generally that portion between 104 and 1012 Hz; specifically, the frequency of a given radio carrier wave.
- In radio or radar, pertaining to a signal at the transmitted or received frequency, as opposed to a signal translated to a different frequency (IF signal) or detected (video signal).