FM may refer to any of the following:

  1. When referring to the radio or an audio signal, FM is short for frequency modulation invented by Edwin Armstrong in 1933. FM is a method of transmitting a signal of greater quality at ranges of 80 MHz to 108 MHz at a shorter distance compared to AM.

  2. The Internet domain suffix .fm is short for Micronesia.

  3. Short for frequency modulation, FM encoding is a method of recording data to a floppy disk or hard drive platter. This method of encoding is no longer used today and was replaced with MFM.

Channel, Computer acronyms, Hard drive terms, MFM, Radio

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