passband
radiomodulated
absorption spectrum
longwave
shortwave
skip distance
radiotelephony
short wave
radiomovie
band
Nyquist frequency
pulse-time modulation
monofrequency
tricoherence
backscattering
infrared spectrum
radiocautery
maximum usable frequency
gravitational redshift
band-pass
bandpath
dawn chorus
FM
submillimeter wave radiation
scattering
frequency modulation
light unit
monochromatization
strewing
scatter
blueshift
radio-frequency spectrum
light-scattering photometry
photomodulation
undermodulation
radio spectrum
gamma radiation
hypsochromic
gamma ray
red detuning
midinfrared
whistler