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27 December 1995 MSTI-III passive infrared and visible remote sensing of clouds and the atmosphere
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MSTI-III is the third in the Miniature Sensor Iechno1o' Integration series of satellites originally conceived of and developed by BMDO and now being conducted by the US Air Force1. As the name implies, the MSTI . satellites are members of the class of satellites which have come to be known as "smalisats" or, alternatively, as "lightsats". The satellite is tentatively planned for launch in early 1996 into a sun-synchronous orbit which will allow the satellite to revisit a given region at the same solar time, that is, at the same solar illumination conditions. Among the objectives ofthe MSTI-III mission is the characterization of the optical properties of clouds in the mid-wavelength infrared (MWIR), short-wavelength-infrared (SWIR), and visible spectral regions as a function of spectral band, latitude, season, cloud type, cloud altitude, and solar scattering geometry. MSTI-III is planned to be operational for a minimum of one year to ensure the collection of a statistically significant data base. MSTI-III will also image the EartWs limb and surface. Radiometric characterization and calibration completed in Aug 1995 indicate that MSTI-III will provide high-spatial-resolution infrared images with high signal-to-noise ratios, based upon the scene radiances predicted for the planned measurement modes from existing models or estimated from empirical data. The data-collection experiments planned for MSTI-III and the utility of the MSTI-III data base for the validation and development of cloud, atmospheric, and surface radiance models are discussed.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anthony J. Ratkowski, H. Vernon Baker, J.-L. Boulay, William Jeffrey, J. Hood, F. Planchon, and Joseph G. Shanks "MSTI-III passive infrared and visible remote sensing of clouds and the atmosphere", Proc. SPIE 2578, Passive Infrared Remote Sensing of Clouds and the Atmosphere III, (27 December 1995);

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