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Proceedings Paper

Latest developments of geostationary microwave sounder technologies for NOAA's mission
Author(s): Shyam Bajpai; Michael Madden; Donald Chu; Martin Yapur
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Paper Abstract

The National Oceanic and Atmospheric Administration (NOAA) have been flying microwave sounders since 1975 on Polar Operational Environmental Satellites (POES). Microwave observations have made significant contributions to the understanding of the atmosphere and earth surface. This has helped in improving weather and storm tracking forecasts. However, NOAA's Geostationary Operational Environmental Satellites (GOES) have microwave requirements that can not be met due to the unavailability of proven technologies. Several studies of a Geostationary Microwave Sounder (GMS) have been conducted. Among those, are the Geostationary Microwave Sounder (GEM) that uses a mechanically steered solid dish antenna and the Geostationary Synthetic Thinned Aperture Radiometer (GeoSTAR) that utilizes a sparse aperture array. Both designs take advantage of the latest developments in sensor technology. NASA/Jet Propulsion Lab (JPL) has recently successfully built and tested a prototype ground-based GeoSTAR at 50 GHz frequency with promising test results. Current GOES IR Sounders are limited to cloud top observations. Therefore, a sounding suite of IR and Microwave should be able to provide observations under clear as well as cloudy conditions all the time. This paper presents the results of the Geostationary Microwave Sounder studies, user requirements, frequencies, technologies, limitations, and implementation strategies.

Paper Details

Date Published: 8 December 2006
PDF: 12 pages
Proc. SPIE 6410, Microwave Remote Sensing of the Atmosphere and Environment V, 64100F (8 December 2006); doi: 10.1117/12.697946
Show Author Affiliations
Shyam Bajpai, National Oceanic and Atmospheric Administration (United States)
Michael Madden, National Oceanic and Atmospheric Administration (United States)
Donald Chu, Swales Aerospace (United States)
Martin Yapur, National Oceanic and Atmospheric Administration (United States)

Published in SPIE Proceedings Vol. 6410:
Microwave Remote Sensing of the Atmosphere and Environment V
Azita Valinia; Seiho Uratsuka; Tapan Misra, Editor(s)

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