Amateur Radio
22 entries in the Amateur Radio compendium.
Amateur radioNon-commercial radio communication for experimentation, recreation, and emergency service.3Y0J Bouvet Island DXpeditionA rare activation of the second-rarest DXCC entity, Bouvet Island.ACP 131Controlling publication for Q and Z codes in Allied communications.Amateur Radio Development CommitteeNo information available in the source.Amateur Radio Digital CommunicationsAmateur radio's early IP network, now partly a research telescope.Amateur Radio Digital Communications, Inc.Amateur radio's self-administered IP network, predating the public Internet.Amateur radio in IndiaAmateur radio in India has over 22,000 licensed users as of 2007.Amateur radio netA scheduled gathering of amateur radio operators for a common purpose.Amateur radio satelliteAmateur-built satellites enabling free radio communication for licensed operators worldwide.Amateur televisionAmateur television transmits broadcast-quality video over ham radio frequencies.American Radio Relay LeagueLargest US amateur radio membership association, founded 1914.American Radio Relay League, Inc. v. FCC (1980)Court upheld FCC regulations on linear amplifiers despite sympathy for amateur radio.ARRL Numbered RadiogramBrevity codes for rapid ARRL/RRI radiogram transmission during congestion.Automatic transmission systemAutomated system for unattended broadcast transmitter operation.AutopatchA radio feature for accessing telephone networks via DTMF tones.Balloon Experiments with Amateur RadioCanadian amateur radio high-altitude balloon experiments starting in 2000.Baudot codeFive-bit telegraph code that preceded ITA2 and ASCII.Beat frequency oscillatorBFO makes CW and SSB signals audible in radio receivers.Boat anchor (metaphor)A metaphor for obsolete, cumbersome equipment or code.Braid-breakerA filter that prevents TV interference from nearby HF transmitters.Computer aided transceiverA serial protocol for computer control of amateur radio equipment.CQ (call)General call code used in amateur radio and telegraphy.
Browse Amateur Radio in the interactive codex →