Radio navigational aids : marine direction-finding stations, radiobeacons, time signals, navigational warnings, distress signals, medical advice and quarantine, Loran, weather, and radio regulations for territorial waters
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Bibliographic Information
Radio navigational aids : marine direction-finding stations, radiobeacons, time signals, navigational warnings, distress signals, medical advice and quarantine, Loran, weather, and radio regulations for territorial waters
(H.O. pub., no. 205)
U.S. Govt. Print. Off., 1947
- 1947
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Note
Many parts are leaves
Includes index