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Proceedings Paper

Earth Radiation Budget Experiment scanner instrument
Author(s): Leonard P. Kopia; Robert Benjamin Lee
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Paper Abstract

Orbital measurements of the earth''s longwave emitted radiation, and the sun''s radiation reflected by the earth are being made by scanning radiometers on three spacecraft platforms in both high altitude sun-synchronous polar (833 km) and low altitude (600 km) equatorial orbits. These ERBE instruments were carried aboard two TIROS ATN satellites (NOAA-9 and -10) in December 1984, and September 1986, and on the Earth Radiation Budget Satellite launched from Space Shuttle mission 41-G in October 1984. Electronic problems with the scanners on all platforms have halted the reception of data after surpassing the scanner design life. The ERBE instruments have been designed to measure the radiance from earth with an absolute radiometric error of less than one percent. The scanner instrument consists of three broadband radiometer channels, shortwave, 0.25 micron to 3.5 microns, longwave 5.0 to 50 microns; and total, 0.25 microns to more than 50 microns, and use thermistor bolometers as sensing elements. This paper describes the design and operation of the ERBE scanner, an overview of the ground calibration approach, the in-flight calibration stability, and an analysis of on-orbit anomalous behavior.

Paper Details

Date Published: 1 September 1990
PDF: 19 pages
Proc. SPIE 1299, Long-Term Monitoring of the Earth's Radiation Budget, (1 September 1990); doi: 10.1117/12.21365
Show Author Affiliations
Leonard P. Kopia, NASA/Langley Research Ctr. (United States)
Robert Benjamin Lee, NASA/Langley Research Ctr. (United States)


Published in SPIE Proceedings Vol. 1299:
Long-Term Monitoring of the Earth's Radiation Budget
Bruce R. Barkstrom, Editor(s)

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