It is believed that most of unidentified moving targets observed were ground returns caused by reflection phenomena closely connected with temperature inversions in lower atmosphere; evidence indicates that appearance of unidentified targets on radar scopes has little effect on control of air traffic; phenomena may be responsible for some of visual sightings of "flying saucers." (See also U S Civ Aeronautics Administration -- Tech Development Report n 180 May 1953 16 p)
Prelimininary study of unidentified targets observed on air traffic control radars
Aviation Week
Aviation Week ; 59 , n 3
1953
Article (Journal)
English
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Prelimininary study of unidentified targets observed on air traffic control radars
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