Also known as: am.
AM has various meanings in the NASA category. Discover the full forms, definitions, and usage contexts of AM in NASA.
Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. In amplitude modulation, the amplitude (signal strength) of the carrier wave is varied in proportion to that of the message signal being transmitted.
NASABetween midnight and noon Before midday (Latin)
NASALast updated: