Mr. Gary D. Fowler Profile

Gary D. Fowler

at EUMETSAT

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 20 October 2023 Presentation

Meteosat third generation (MTG) satellites series overall status: the launch and in-orbit characterisation of the first imagery mission of MTG

Donny M. Aminou, Paul Blythe, A. Palacios, P. Kokou, P. V. D. Braembussche, J. Champion, D. Lamarre, T. Gugenmoser, D. Innorta, G. Fowler, M. Lekouara, A. Burini, B. Viticchie, J. Grandell, F. Olivier, P. Martin, C. Monfort, V. Soulignac, E. Hache, S. Lambert, O. Brize, G. De Roquefeuil, P. Armand, C. Simoncelli, L. Giunti, G. Pastorini, S. Lorenzini, A. Viglione, R. Feckl, F. Carbo, P. Rueda, R. Schoenfeld

Proceedings Volume 12729, 127290S (2023) https://doi.org/10.1117/12.2683410

KEYWORDS: Satellites, Equipment, Ultraviolet radiation, Temperature metrology, Lightning, Infrared imaging, Imaging systems, Geostationary orbit, Air temperature, Temporal resolution

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Proceedings Article | 21 November 2017 Open Access

SEVIRI, the imaging radiometer on Meteosat second generation: in-orbit results and first assessment

P. Coste, F. Pasternak, F. Faure, B. Jacquet, S. Bianchi, Donny M. Aminou, H. J. Luhmann, C. Hanson, P. Pili, G. Fowler

Proceedings Volume 10568, 105680L (2017) https://doi.org/10.1117/12.2308023

KEYWORDS: Space telescopes, Principal component analysis, Calibration, Telescopes, Mirrors, Neodymium, Satellites, Switches, Temperature metrology, Infrared imaging

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Proceedings Article | 23 September 2009 Paper

Meteosat Third Generation (MTG) status of space segment definition

Donny Aminou, D. Lamarre, H. Stark, P. Van Den Braembussche, P. Blythe, Gary Fowler, S. Gigli, Rolf Stuhlmann, Sergio Rota

Proceedings Volume 7474, 747406 (2009) https://doi.org/10.1117/12.830969

KEYWORDS: Satellites, Image segmentation, Satellite imaging, Infrared imaging, Imaging systems, Space operations, Lithium, Image processing, Satellite navigation systems, Infrared radiation

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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 conclusions of those MTG space segment studies. It summarises the conclusions reached for the satellites, and associated instruments relating to Imaging, IR Sounding and Lightning missions, with respect to achievable performances, including Radiometry and Image Navigation and Registration aspects.

Proceedings Article | 9 October 2008 Paper

Meteosat Third Generation: progress on space segment system feasibility studies: payload aspects

Donny Aminou, Hendrik Stark, Wolfgang Schumann, Gary Fowler, S. Gigli, Rolf Stuhlmann, Antonio Rodriguez

Proceedings Volume 7106, 71060C (2008) https://doi.org/10.1117/12.800244

KEYWORDS: Satellites, Infrared imaging, Lithium, Image segmentation, Imaging systems, Sensors, Spatial frequencies, Satellite imaging, Space operations, Satellite communications

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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 continuity and improvement of the Meteosat Second Generation (MSG) system. The MTG will become the new system to be the backbone of the European operational meteorological services from 2015, in particular, will ensure the continuation of the imagery missions. The first phases were devoted to the definition and consolidation of end user requirements and priorities in the field of Nowcasting and Very Short Term Weather Forecasting (NWC), Medium/Short Range global and regional Numerical Weather Prediction (NWP), Climate and Air Composition Monitoring and to the definition of the relevant observation techniques. The following missions have been analysed and preliminary concepts studied: The Flexible Combined Imager, an improvement of the actual MSG-SEVIRI Imager Lightning Imagery Mission IR Sounding Mission UV-VIS-NIR Sounding Mission as a payload complement from GMES. After pre-phase A mission studies (2003-2006), where preliminary instrument concepts were investigated allowing in the same time to consolidate the technical requirements for the overall system study, a phase A study on MTG has been launched at the beginning of February 2007 for the space segment system feasibility and programmatic aspects to be accomplished during 2007-2008 time frame. The space segment phase A study will cover all elements to the level of details allowing to conclude on the feasibility of the system and to produce cost estimates with a good level of confidence. This paper provides an overview of the outcome of the MTG space segment at the end of phase A, addressing the progress accomplished for the various payloads in terms of achievable performances including Radiometry and Image Navigation and Registration aspects. It namely focuses onto the Imaging and IR Sounding, Lightning Missions, introduces the UV-VIS-NIR Sounding mission concept status, establishes the critical technologies and introduces the way forward to the implementation of the MTG development programme.

Proceedings Article | 26 October 2007 Paper

Meteosat third generation phase A: optical payload consolidation

Donny Aminou, Hendrik Stark, Wolfgang Schumann, Gary Fowler, Stefano Gigli, Antonio Rodriguez

Proceedings Volume 6744, 674406 (2007) https://doi.org/10.1117/12.737901

KEYWORDS: Infrared imaging, Space operations, Signal to noise ratio, Lithium, Sensors, Satellites, Image segmentation, Ultraviolet radiation, Spectral resolution, Long wavelength infrared

Read Abstract +

ESA and EUMETSAT have initiated joint preparatory activities for the formulation and definition of the Meteosat Third Generation (MTG) geostationary system to ensure the continuity and improvement of the Meteosat Second Generation (MSG) system. The MTG will become the new system to be the backbone of the European operational meteorological services from 2015, in particular, will ensure the continuation of the imagery missions. The first phases were devoted to the definition and consolidation of end user requirements and priorities in the field of Nowcasting and Very Short Term Weather Forecasting (NWC), Medium/Short Range global and regional Numerical Weather Prediction (NWP), Climate and Air Composition Monitoring and to the definition of the relevant observation techniques. The following missions have been analysed and preliminary concepts studied: - High Resolution Fast Imagery Mission (successor to MSG SEVIRI HRV mission) - Full Disk High Spectral Resolution Imagery Mission (successor to the mission of other MSG-SEVIRI channels) - Lightning Imagery Mission - IR Sounding Mission - UV-VIS-NIR Sounding Mission After pre-phase A mission studies (2003-2006), where preliminary instrument concepts were investigated allowing in the same time to consolidate the technical requirements for the overall system study, a phase A study on MTG has been launched at the beginning of February 2007 for the space segment system feasibility and programmatic aspects to be accomplished during 2007-2008 time frame. The space segment phase A study will cover all elements to the level of details allowing to conclude on the feasibility of the system and to produce cost estimates with a good level of confidence. This paper addresses an overview of the outcome of the MTG space segment progress (spacecraft concept, payload preliminary design studies) accomplished in the frame of the phase A. It namely focuses onto the Imaging and IR Sounding Missions, highlights the platform and resulting instrument concepts, establishes the critical technologies and introduces the study progress towards the implementation of the MTG development programme.

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