frequency range

pulse repetition frequency (PRF) / pulse-repetition frequency

frequency range (band)

very high-frequency omnidirectional range / omnirange (VOR)

very high-frequency omnirange / omnidirectional range (VOR)

When variable PWM is disabled, this manually sets the switching frequency (PWM) to the chosen range

long-range standoff missile (long-range stand off, LRSO)

pull-in range / pulling range

range gating / range-gating

range-to-range correlation

beyond visual range / beyond-visual-range (BVR)

common frequency

doppler frequency shift

fixed frequency channel

frequency

frequency and directional chart

frequency band

frequency intelligence

frequency modulated (FM)

frequency modulation (FM)

frequency response

frequency, intensity, time, type (FITT)

frequency-hopping mode

guarded frequency

high frequency (HF)

high frequency direction finder

high frequency over-the-horizon (HF OTH) radar

high-frequency 'X-band' system

intermediate frequency

low frequency (LF)

operating frequency

operational frequency

preset frequency