Before revision: "Sky-to-Earth Phone Service Offered On Air Liner" Popular Mechanics, September 1937 AirFone commenced its service in the early 1980s starting with first-class under experimental licenses; the FCC's formal allocation was in 1990.
After revision: AirFone commenced its service in the early 1980s starting with first-class under experimental licenses; the FCC's formal allocation was in 1990.