On this page you will find various documents and presentations relating to Sextant and Marine Geograpahic Information (all documents in French).
Marine and Coastal Geographic Information
Geographic referential data in the coastal field: document from the SHOM-Ifremer work group (April 2000; pdf 2.2Mb)
Sextant Information Documents and Training Guides
General Presentation of Sextant (May 2014 ; pdf 6Mb)