Sentinel-1 is a constellation of two C-band radar satellites that will provide continuous all-weather, day and night imagery for use in a range of diverse services - from marine and land monitoring to emergency services needed immediately following disasters from natural events, as well as those resulting from human activity.
The initial Sentinel-1 satellite is due to launch at the end of 2011 and will be the first mission dedicated to providing Earth observation data for the Global Monitoring for Environment and Security (GMES) initiative.
GMES is a joint venture between the European Commission and ESA to fulfil the growing need for accurate and timely information to better manage the environment, understand and mitigate the effects of climate change and ensure civil security….
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