Numerous radio stations across the nation perform nonbroadcast services in areas ranging from aviation, forestry protection, and telephone maintenance to amateur and citizen radio. These services can be grouped in four general categories: (1) safety, (2) industry, (3) land transportation, and (4) miscellaneous purposes. This bulletin briefly describes some 50 radio services which comprise the Safety and Special Radio Services, and FCC (Federal Communications Commission) regulations for these stations. (SC)