The report contains a description and the test results of a development model of an advanced landing aid for all weather approach and landing. The system operates in the microwave frequency region (15.4 to 15.7 GHz) and provides precision azimuth and elevation guidance and range to touchdown to approaching aircraft. Also included in the system is a radar mode which operates as a primary radar to indicate aircraft position on a direct viewed storage tube (PAR mode). The signals are radiated from an azimuth antenna which scans horizontally and an elevation antenna which scans vertically. One cycle of the system operation occupies 200 milliseconds during which time Azimuth guidance, Elevation guidance, range function, and PAR mode are time shared and synchronized. The elevation antenna scans over an angle range 0 to 10 degrees and the azimuth scans from 5 degrees left to 5 degrees right of runway centerline. Clearance signals are provided to 35 degrees from runway centerline. Azimuth and elevation angles are resolved to increments of 0.01 degree. A summary of the test data compiled is presented and recordings of the effects of interfering aircraft on the courses defined by the system are shown. It is concluded that the design objectives contained in the specification are met. (Author)
Advanced Scanning Beam Guidance System for All Weather Landing
1968
45 pages
Report
Keine Angabe
Englisch
Air Transportation , Navigation, Guidance, & Control , Aircraft , Landing aids , All-weather aviation , Instrument landings , Aircraft landings , Approach , Azimuth , Runways , Airborne , Radar scanning , Radar antennas , Antenna radiation patterns , Aviation safety , Superhigh frequency , Distance-measuring equipment , Display systems , Advanced Integrated Landing System , Instrument landing systems , Touchdown
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