rec.radio.amateur.equipment - participar
All about production amateur radio hardware.
Actividad baja, 650 suscriptores, Usenet

alt.ham-radio.marketplace - participar
Buy/sell/swap ham radio gear
Actividad baja, 209 suscriptores, Usenet

rec.radio.amateur.boatanchors - participar
Vacuum tube-based amateur radio equipment.
Actividad baja, 491 suscriptores, Usenet