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For questions about altimetry, techniques, applications, data, as well as problems concerning the website, contact the Webmaster.

For questions regarding the data, please try to be as precise as possible, mentionning the product you're using, your general background (what you're trying to do), etc. For problems of connection, errors and such, please send us the error messages you're getting, and tell us the software you're using. This will help us answer more rapidly, and to the point.
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Aviso User Service
CLS/DOS, 8-10 rue Hermès,
Parc Technologique du Canal
F-31520 Ramonville St-Agne, France
tel. (+33)(0)5 61 39 47 80
fax (+33)(0)5 61 39 37 82