If you’re not familiar with full-carrier amplitude modulation (AM) or have never used it on the air, you’ll have a chance during the AM Rally during the April 1-2 weekend, on the bands between 160 and 10 meters (except 30, 17, and 12 meters) plus 6 meters.
Once the primary voice mode on the ham bands, AM eventually gave way to SSB, a form of AM. Yet AM has remained popular among dedicated radio amateurs who consider it their primary operating mode. Many modern transceivers include an AM button.
via American Radio Relay League | Ham Radio Association and Resources http://ift.tt/2nPKX06