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- catalog alternative "Air traffic control communication system".
- catalog contributor b7421001.
- catalog created "1949]".
- catalog date "1949".
- catalog date "1949]".
- catalog dateCopyrighted "1949]".
- catalog extent "iv, v, 108 p.".
- catalog issued "1949".
- catalog issued "1949]".
- catalog language "eng".
- catalog publisher "[Washington,".
- catalog subject "629.13966".
- catalog subject "Air traffic control.".
- catalog subject "Avionics.".
- catalog subject "TL695 .R26".
- catalog title "Air traffic control communication system".
- catalog title "The operational and technical characteristics of a transition period air traffic control communication system and a study of its operational and economic values. Paper 116-49/DO-30, Dec. 15, 1949, prepared by RTCA SC41 [and] RTCA SC 52.".
- catalog type "text".