The Radio Room of RMS Queen Mary
Call sign: GBTT
Geoff Dyson, who served as a Radio Officer and later technical R/O on board Queen Mary intermittently from 1952 to 1957, has published technical information about the ship's radio equipment, and information
can also be found at this Queen Mary website.
Radio station W6RO currently staffs the radio room of Queen Mary, which has been at Long Beach, California since 1967.