Developments in Ramark beacons used as aid to marine navigation supplying radar navigator with information about key points in much same way as lights supply data to aid visual piloting; use of equipment in S and X bands on 3256 and 9310 Mc; problems overcome as regards frequency stability; typical beacon installation.
Ramark radar beacons
Military Engr
Military Engineer ; 43 , n 291
1951
Article (Journal)
English
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