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An RF link analysis of MSBLS during ALTAn analysis of the microwave scanning beam landing system (MSBLS) ground station to orbiter radio frequency (RF) link was made to determine if the expected signal levels will be compatible with orbiter receiver capabilities. Of primary interest was whether or not loss of data will occur due to interference caused by the orbiter 101 nose boom which provides additional air data during the approach and landing test. The results of the analysis indicate that a small amount of data loss may occur due to the proximity of the MSBLS antennas and the nose boom. Tabulated data of antenna radiation patterns are given.
Document ID
19760026275
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Speir, R. E. (McDonnell-Douglas Technical Services Co., Inc. Houston, TX, United States)
Date Acquired
September 3, 2013
Publication Date
September 5, 1975
Subject Category
Communications And Radar
Report/Patent Number
REPT-1.3-DN-C0303-009
NASA-CR-151019
Accession Number
76N33363
Funding Number(s)
CONTRACT_GRANT: NAS9-13970
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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