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The Landsats Satellites - Online Term Paper

The Landsats Satellites

The idea of a satellite that could produce images of a civilian Earth was first thought of in the Department of Interior in the mid-1960’s. On July 23, 1972, NASA launched the first Landsat Satellite. It was designed to take provide images of the earth’s land masses. It used a Nimbus platform that was modified to carry sensor systems and data relay equipment. The satellite surprised everyone by lasting 4 years longer then its life expectancy of a year. On January 22, 1975 NASA launched a second of the Landsat series. Three more Landsats were launched in 1978, 1982 and 1984. Each satellite was successful and had improved sensor and communications capabilities.
In January 1983, the ...

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captures data in three bands in the following spectral ranges: .50-.59, .61-.68 and .79-.89 micrometers. The three bands are co-registered and have a ground resolution of 20m. The panchromatic mode images data in the spectral range .51-.73 micrometers at a sampling interval of 10m.
LITERATURE REVIEW

Landsats 1 through 3 circled the Earth every 103 minutes, completing 14 orbits a day. Eighteen days and 251 overlapping orbits were needed to provide almost complete coverage of the Earth’s surface. They carried return beam vidicon (RBV) cameras and the MSS sensor. The MSS sensor scanned the Earth’s surface from west to east as the satellite moved in its north-to-south orbit over the sunlit side of the Earth. Six detectors for each spectral band provided six scan lines on each active scan. The perseverance of the MSS sensor was about 80 m with radiometric coverage in four spectral bands from the green to near-infrared wavelengths. The Landsat 3 was the only one to have a MSS ...

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The Landsats Satellites. (2005, January 29). Retrieved April 19, 2024, from http://www.essayworld.com/essays/The-Landsats-Satellites/21399

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PAPER DETAILS

Added: 1/29/2005 11:54:54 PM
Category: Science & Nature
Type: Premium Paper
Words: 1099
Pages: 4

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