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Proceedings Paper

The Geostationary Atmospheric Sounder (GAS)
Author(s): Jacob Christensen; Anders Carlström; Anders Emrich; Peter de Maagt
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Paper Abstract

Millimeter and Sub-mm-wave imagers/sounders are considered for future meteorological geostationary satellite missions. A novel interferometric Geostationary Atmospheric Sounder (GAS) has been developed and a concept demonstrator is under construction. The concept is a response to the requirements of observations for nowcasting and short range forecasting in 2015-2025, as determined by EUMETSAT for post-MSG operational satellites observations. Prioritized parameters include vertical profiles of temperature and humidity with high temporal and horizontal resolution (15 min and 30 km) under all weather conditions. Frequency bands around 53GHz, 118GHz, 183GHz, 380GHz have the highest user priority and are all supported by GAS. The instrument relies on an innovative configuration of interferometer elements which enables the use of a sparse array and simplifies calibration.

Paper Details

Date Published: 3 October 2006
PDF: 11 pages
Proc. SPIE 6361, Sensors, Systems, and Next-Generation Satellites X, 636109 (3 October 2006); doi: 10.1117/12.689577
Show Author Affiliations
Jacob Christensen, Saab Ericsson Space AB (Sweden)
Anders Carlström, Saab Ericsson Space AB (Sweden)
Anders Emrich, Omnisys Instruments AB (Sweden)
Peter de Maagt, European Space Agency (Netherlands)


Published in SPIE Proceedings Vol. 6361:
Sensors, Systems, and Next-Generation Satellites X
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda, Editor(s)

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