Brief review of presently available navigational aids and their shortcomings; system proposed uses satellites equipped with gravity-gradient altitude control, solar cells to supply power, interferometer antennas for measurement of direction, radar and helical antennas and sensors; methods for measuring distance and direction.
Navigational satellites -- Beacons for ships and planes
Electronics
Electronics ; 38 , n 3
1965
8 pages
Article (Journal)
English
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