rec.radio.amateur

rec.radio.amateur.antenna: Antennas: theory, techniques and construction.
rec.radio.amateur.boatanchors: Vacuum tube-based amateur radio equipment.
rec.radio.amateur.digital
rec.radio.amateur.dx: Discussion, tips, notices and news for DXers.
rec.radio.amateur.equipment: All about production amateur radio hardware.
rec.radio.amateur.homebrew: Amateur radio construction and experimentation.
rec.radio.amateur.misc: Amateur radio practices, contests, events, rules, etc.
rec.radio.amateur.moderated: Amateur radio practices, rules, etc. (Moderated)
rec.radio.amateur.policy: Radio use & regulation policy.
rec.radio.amateur.space: Amateur radio transmissions through space.