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from article Star tracker
Strapdown satellite star tracker. (a) Mounting of system on the satellite. (b) Star tracker in housing. (Northrop Grumman Corp.)
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from article Star tracker
Silicon focal-plane arrays. (Northrop Grumman Corp.)
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from article Doppler VOR
Collocation of Doppler VOR and TACAN beacons installed on 100-foot high (30-m) tower with a counterpoise of 119-ft (36-m) diameter in forest near Frankfurt, Germany. Circular array consists of 39 loop antennas fed by solid-state commutator. Center…
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from article Doppler VOR
Principle of Doppler VOR beacon. Reference signal R and bearing signal V which is generated by dipole d are shown as they would be measured in aircraft to the north, east, south, and west of the beacon. (a) Dipole d at 180°. (b) Dipole d at 270°.…
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from article Doppler VOR
Comparison of radial flight recordings. (a) From VOR installation. (b) From DVOR installation. Both experimental beacons were located at same unfavorable site. Plane is flying constant course at bearing of 133° from beacons at 4000-ft (1.2-km)…
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from article Surveillance radar
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from article Aircraft instrumentation
Cockpit displays and flight engineer's instruments in Boeing 747. (Boeing Co.)
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from article Aircraft instrumentation
Flight deck mock-up of Boeing 767 configuration for crew of three. (Boeing Co.)
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from article Aircraft instrumentation
Ring laser gyro operation. (Honeywell, Inc.)
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from article Aircraft instrumentation
Electronic attitude-director indicator (EADI). (Boeing/Collins)
