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The Navy Geosat mission radar altimeter satellite program

W. E. Frain, S. C. Jones, Charles C. Kilgus, Jane L. MacArthur

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Abstract

The Navy Geosat Mission to place a radar altimeter spacecraft in approximately the Seasat-1 orbit in the fall of 1984 is introduced. This mission will employ an altimeter with 3.5 cm precision at 2 m significant waveheight. An 800 km altitude, 108 deg inclination orbit will provide 3 day, near-repeat ground tracks. Dual-frequency Doppler tracking will allow precision orbit determination. Data will be stored for approximately 12 hr on the spacecraft for transmission to the satellite tracking facility. The ground system will preprocess data.

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What this paper is about

The Navy Geosat Mission to place a radar altimeter spacecraft in approximately the Seasat-1 orbit in the fall of 1984 is introduced. This mission will employ an altimeter with 3.5 cm precision at 2 m significant waveheight. An 800 km altitude, 108 deg inclination orbit will provide 3 day, near-repeat ground tracks. Dual-frequency Doppler tracking will allow precision orbit determination. Data will be stored for approximately 12 hr on the spacecraft for transmission to the satellite tracking facility. The ground system will preprocess data.

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Available abstract

The Navy Geosat Mission to place a radar altimeter spacecraft in approximately the Seasat-1 orbit in the fall of 1984 is introduced. This mission will employ an altimeter with 3.5 cm precision at 2 m significant waveheight. An 800 km altitude, 108 deg inclination orbit will provide 3 day, near-repeat ground tracks. Dual-frequency Doppler tracking will allow precision orbit determination. Data will be stored for approximately 12 hr on the spacecraft for transmission to the satellite tracking facility. The ground system will preprocess data.

Key concepts: Altimeter, Radar altimeter, Remote sensing, Satellite, Geodesy, Spacecraft, Orbit determination, Orbit (dynamics)

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