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Air
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VOR aircraft guidance in rockies completes coast-to-coast system
Voice-switched frequency hookup equipment for air traffic control
Visual aids to traffic movement under blackouts
Transponder altitude encoders for air traffic control
Signal blackout studies in Australia
Processes of radio navigation without subsystems
Problems of data transmission in air traffic
Points on air conditioning maintenance
New processes of radio navigation with subsystems
New air-traffic system predicts flight paths
Microwave radiometric sensing for air navigation