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The four- and five-band multispectral scanners for LandsatThe earth resources sensing Multispectral Scanner (MSS) for the Landsat satellite has two versions; one with four spectral bands from 0.5 to 1.1 microns, and one with five bands, the added band being 10.4 to 12.6 microns. This paper describes optical design and performance. The instrument uses a flat, object-space scanning mirror of near-linear motion, with a sensitive optical position monitor to detect mirror angular position. The 22.9-cm aperture telescope images the scene on an array of fiber optics, which dissect and transmit the scene energy to photomultiplier tubes detecting in Bands 1, 2, and 3, and silicon photodiodes detecting Band 4. Band 5 energy passes the fiber optic assembly and is reimaged on a radiatively cooled mercury cadmium telluride (HgCdTe) detector. The orbiting four-band scanner is furnishing data registered to better than 50-m band-to-band and resolving 80-m repetitive pattern over a 185-km swath width from 907-km altitude.
Document ID
19750063338
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lansing, J. C., Jr.
Cline, R. W.
(Hughes Aircraft Santa Barbara Research Center Goleta, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
August 1, 1975
Publication Information
Publication: Optical Engineering
Volume: 14
Subject Category
Instrumentation And Photography
Accession Number
75A47410
Funding Number(s)
CONTRACT_GRANT: NAS5-11255
CONTRACT_GRANT: NAS5-11647
CONTRACT_GRANT: NAS5-11624
Distribution Limits
Public
Copyright
Other

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