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Portable-Beacon Landing System for HelicoptersPrototype beacon landing system (BLS) allows helicopters to make precise landings in all weather. BLS easily added to existing helicopter avionic equipment and readily deployed at remote sites. Small and light, system employs X-band radar and digital processing. Variety of beams pulsed sequentially by ground station after initial interrogation by weather radar of approaching helicopter. Airborne microprocessor processes pulses to determine glide slope, course deviation, and range.
Document ID
19870000318
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Davis, Thomas J.
(NASA Ames Research Center, Moffett Field, Calif.)
Clary, George R.
(NASA Ames Research Center, Moffett Field, Calif.)
Chisholm, John P.
(Sierra Nevada Corp.)
Macdonald, Stanley L.
(Sierra Nevada Corp.)
Date Acquired
August 13, 2013
Publication Date
July 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 7
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
ARC-11674
Accession Number
87B10318
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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