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.
See also the FAQs

Aviso User Service
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tel. (+33)(0)5 61 39 47 80
fax (+33)(0)5 61 39 37 82

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Some Aviso services request specific user information, such as name and email address, and the user may decide whether to voluntarily supply that information. According to the law n° 78-17 "Informatique et Libertés/software and freedoms", you have the right to access the information as well as to rectify and delete data that concerns you personally on this site. Contact the Webmaster for this.