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Savannah hosts the majority of GNU software and some non-GNU software. Savannah's focus is on hosting for free software projects. To ensure that only free software is hosted, Savannah implements very strict hosting policies, including a ban against the use of non-free formats (such as Macromedia Flash).
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AVISO stands for "Archiving, Validation and Interpretation of Satellite Oceanographic data". Here, you will find data, articles, news and tools to help you discover or improve your skills in the altimetry domain through four key themes: ocean, coast, hydrology and ice. Altimetry is a technique for measuring height. Satellite altimetry measures the time taken by a radar pulse to travel from the satellite antenna to the surface and back to the satellite receiver. Combined with precise satellite location data, altimetry measurements yield sea-surface heights.
The Earth Orientation Centre is responsible for monitoring of long-term earth orientation parameters, publications for time dissemination and leap second announcements.