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22 September 2009 Meteosat Third Generation (MTG) critical technology pre-development activities
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ESA and EUMETSAT have initiated joint preparatory activities for the formulation and definition of the Meteosat Third Generation (MTG) geostationary system to ensure the future continuity, and enhancement, of the current Meteosat Second Generation (MSG) system. The MTG programmatics are being established to ensure a seamless transition between the conclusion of the successful MSG operational system and the start of the new MTG operational system, with particular emphasis on continuity of the imagery missions. The MTG phase A studies were successfully concluded in December 2008 an re-consolidation phase B1 activities continued from January to July 2009. They were devoted to the MTG concept definition and requirements consolidation for meeting the User needs in the field of Nowcasting and Very Short Term Weather Forecasting (NWC), Medium/Short Range global and regional Numerical Weather Prediction (NWP), Climate, Air Quality and Composition Monitoring. The following missions have been analysed, measurement techniques studied and preliminary concepts established: - High Resolution Fast Imagery Mission (improved successor to MSG SEVIRI HRV mission) - Full Disk High Spectral Resolution Imagery Mission (improved successor to SEVIRI) - Lightning Imagery Mission - IR Sounding Mission - UV-VIS-NIR Sounding Mission Both space segment architecture and preliminary satellite and instrument concepts were investigated in the course of these studies, and a dual satellite configuration established comprising the Imaging satellite (MTG-I) and the sounding satellite (MTG-S). The study covered all elements to a level of detail allowing to establish a technical baseline, conclude on the feasibility of the system requirements and undertake preliminary programmatic evaluation. Riders to the Phase A studies (Phase B1 work) have been placed to further consolidate the satellite and payload definition and development, prior to the release of the Invitation To Tender (ITT) for the full space segment implementation in July 2009. This paper provides an overview of the critical technologies as established in the course of MTG space segment studies. It summarises the undertakings carried out for pre-developing the necessary technologies for the associated instruments relating to Imaging, IR Sounding and Lightning missions. It provides the status of the pre-development activities including long wave IR detectors, cryo-coolers, cryogenic wiring, scan mechanism assemblies, LI detectors and narrow band filters.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Donny M. A. Aminou, Jean Loup Bézy, Roland Meynart, Paul Blythe, S. Kraft, I. Zayer, M. Linder, M. Falkner, and H. J. Luhmann "Meteosat Third Generation (MTG) critical technology pre-development activities", Proc. SPIE 7474, Sensors, Systems, and Next-Generation Satellites XIII, 747407 (22 September 2009);

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