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| | | | | | | | Observing the Earth today |  | | | |
| | Meteosat-4 Earth image | |
The weather in Europe today
Perched in geostationary orbit 36,000 km above Africa's Gulf of Guinea, the seventh ESA-developed Meteosat satellite maintains a constant weather eye on the European continent and its neighbours. Day and night every 30 minutes it routinely acquires a new image combining visual, infrared and water vapour channels.
Meteosat operator Eumetsat – the intergovernmental organisation for the exploitation of European meteorological satellites – processes the data in Darmstadt, Germany, before relaying it on to users via the same satellite working as a telecommunication relay. Meteosat-7's sister satellite, Meteosat-6, waits in the wings in geostationary orbit ten degrees to the east – a stand-by spacecraft to guarantee continuity of service.
For the past 27 years millions of people have watched imagery returned by the Meteosat series of satellites incorporated into daily TV weather forecasts. Now, after seven spacecraft, the original Meteosat design is being joined and eventually succeeded by the Meteosat Second Generation (MSG) system.
| | | Meteosat Second Generation (MSG) |
Like its predecessor, MSG has been designed and developed for Eumetsat by ESA. MSG boasts higher image resolution, four times the number of sensing channels and is able to produce new images every 15 minutes instead of half an hour.
MSG-1, the first spacecraft in this new series, has already been placed in orbit. On 29 January it began routine operations, re-designated as Meteosat-8 to mark it formally becoming part of the Eumetsat family.
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