Alien amateur radio operators : hearing before the Subcommittee on Communications and Power of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-second Congress, first session, on H.R. 9261, H.R. 8964, H.R. 7343, and S. 485, bills to amend the Communications Act of 1934 to provide that certain aliens admitted to the United States for permanent residence shall be eligible to operate amateur radio stations in the United States and to hold licenses for their stations, June 24, 1971.