Admiralty Compass Observatory, 1842-1971

Report "Detection of Submerged Submarines by aircraft" by the Air/Sea Warfare Development Unit, Ballykelly, concerning trial number 300 - an interim report on the bearing accuracy and acoustic range of detection of the British directional radio sono-buoy mark 1, obtained at Portland, August-September 1949.

Record Details

Item reference: ACO/S&T/22/2
Catalogue Section: Public records: records of the central administration of the Royal Navy and the Merchant Navy
Level: ITEM
Date made: 1950-08-04 - 1950-08-04; 1950-08-04
Creator: Admiralty Compass Observatory
Credit: © Crown copyright. National Maritime Museum, Greenwich, London
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