Frequency modulation (FM) is a signaling method that varies the carrier frequency in proportion to the amplitude of the modulating signal.
See Also
- Radio: Radio waves, Electromagnetic wave, Radio frequency, AM/FM, modulation, amplitude modulation (AM), [[[frequency modulation]] (FM), or single-sideband modulation (SSB), Shortwave, Two-way radio, Portable radio, Walkie-talkie, Citizens band radio, Family Radio Service (FMS), General Mobile Radio Service (GMRS), Multi-Use Radio Service (MRS), Motorola, Marine VHF radio,
- Amateur Radio: Emergency communications, Amateur radio operator, Call sign, Amateur radio repeater, Base station, Amateur radio frequency allocations, Amateur radio high bands, Amateur radio station, UHF, VHF, HF, Morse code, Telegraph, Mobile rig, QSL card
- Antenna (radio): Antenna theory, Portable operation (amateur radio), Dipole antenna, Coaxial cable, Balun, Packet radio, Propagation, Protecting your HT Antenna
- Radio Standards Organization: FCC, American Radio Relay League, International Telecommunication Union (ITU)