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The MTP program was established to ensure the operational continuity between the end of the successful Meteosat Operational Programme in 1995 and Meteosat Second Generation (MSG), which came into operation at the start of 2004 using improved satellites. The MTP provides an overlap with MSG by continuing the current Meteosat system until at least the end of the year 2005. The MSG program will provide service until the MTG (Meteosat Third Generation) program takes over.
The first generation of Meteosat satellites, Meteosat-1 to Meteosat-7, provide continuous and reliable meteorological observations from space to a large user community. In addition to the provision of images of the Earth and its atmosphere every half-hour in three spectral channels (Visible, Infrared) and Water Vapour, via the Meteosat Visible and Infrared Imager (MVIRI) instrument, a range of processed meteorological products is produced. Meteosat also supports the retransmission of data from data collection platforms in remote locations, at sea and on board aircraft, as well as the dissemination of meteorological information in graphical and text formats.
They are 2.1 metres in diameter and 3.195 metres long. Its initial mass in orbit is 282 kg, and in orbit, the satellite spins at 100 rpm around its main axis 
Meteosat Second Generation was designed in response to user requirements to serve the needs of Nowcasting applications and numerical weather prediction. In addition the GERB instrument provides important data for climate monitoring and research.
The new satellites are spin-stabilised like the previous generation, but with many design improvements. The more frequent and comprehensive data collected by MSG also aids the weather forecaster in the swift recognition and prediction of dangerous weather phenomena such as thunderstorms, fog and explosive development of small but intense depressions which can lead to devastating wind storms.
On January 29, 2004 the first Meteosat Second Generation satellite MSG-1, renamed to Meteosat-8, commenced routine operations. In addition to the main optical payload SEVIRI (Spinning Enhanced Visible and Infrared Imager), Meteosat-8 also carries the secondary payload GERB (Geostationary Earth Radiation Budget) instrument.
The launch of MSG-2 (renamed to Meteosat-9) took place on December 21, 2005. The launch of MSG-3 (renamed to Meteosat-10) took place on 5-July-2012.
In 2013 Meteosat-7, -8, -9 and 10 are all operational. Meteosat-7 is stationed over the Indian Ocean. Meteosat-8, -9 and -10 are all located over Africa with various differences in operational configuration. Meteosat-7 provides the primary imagery coverage over the Indian Ocean (with images every 30-minutes) and provides a service relaying data from Data Collection Platforms (DCP), such as buoys, in support of the Tsunami Warning System for the Indian Ocean. Meteosat-9 provides an operational European 'rapid scan' mode service (where the MSG RSS service 1st commenced in the second quarter of 2008 (with images of Europe every 5 minutes)). Meteosat-10 provides the main full Earth imagery service over Europe and Africa (with images every 15-minutes). Meteosat-8 is currently a backup to Meteosat-9 and -10.
MSG-4 was succesfully launched into space on July 15, 2015 at 6:42 p.m. local time on top a Ariane V Rocket from the Guiana Space Centre in Kourou, French Guiana. Like MSG-1, MSG-2 and MSG-3, MSG-4 was launched by Arianespace. After MSG-4 commissioning the spacecraft is planned to be placed into in-orbit storage.
Each of MSG-1, MSG-2, and MSG-3 carries a DCP service and a Search and Rescue signal Processor (SARP) that is capable of detecting 406 MHz distress signals from distress radiobeacons. See more under Cospas-Sarsat.
Third Generation ("MTG")
Considering the long development cycle for a new observational space system, EUMETSAT has been working on the definition and the planning for a Meteosat Third Generation (MTG) system since the year 2000. MTG components providing continuity of MSG services need to be available around 2015, before the end of the nominal lifetime of MSG. MTG preparatory activities started end of 2000 in cooperation with the European Space Agency (ESA), following the decision of the EUMETSAT Council to proceed with a Post-MSG User Consultation Process. The process is aimed at capturing the foreseeable needs of users of EUMETSAT's satellite data in the 2015-2025 timeframe.
On June 22, 2010, Eumetsat confirmed the choice of Thales Alenia Space.
On February 24, 2012, the development contract between ESA and Thales Alenia Space was signed by Mr. Liebig and Mr Seznec. Thales Alenia Space leads the industrial consortium that is now building the MTG family. Along with being the prime contractor, Thales Alenia Space is responsible for the MTG-I imaging satellite, including the primary payload, the Flexible Combined Imager.
Bremen-based OHB is responsible for the MTG-S satellites and provision of the common satellite platforms, supported by Astrium GmbH as the System Architect.
- "Perfect day for weather satellite". BBC News. December 21, 2005. Retrieved February 6, 2006.
- Krige, John. "Crossing the Interface from R&D to Operational Use: The Case of the European Meteorological Satellite," Technology and Culture, Volume 41, Number 1, January 2000, pp. 27–50.
- EUMETSAT - MFG Architecture
- EUMETSAT - MSG Architecture
- EUMETSAT - MSG Orbit Info
- "Current Space Segment Status and SAR Payloads". Retrieved 2012-12-03.
- "MTG - METEOSAT THIRD GENERATION". EUMETSAT. 2010-10-01.
- ESA and Thales Alenia Space enter negotiations for MTG, ESA Press release, March 19, 2010, online www.esa.int
- Eumetsat 70th council puts MTG on tracks
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