Revue Hydrographique, Volume 70

3D+T accuracy amplitudes analysis approximate Australian AUTOCARTA bathymetric CALIFORNI Canadian Hydrographic Service cartographic cell central computer coast coastal constituents correction cross-sounding lines data base Deg./h Res depth DGPS differential differential GPS Distance km ECDIS EDSS ellipsoid equipment error ERSITY Figure frequency function geodesic Geoid GPS receiver HADLAPS harmonic constants HDOP heights Hydrographic Offices hydrographic programme Hydrographic Service hydrographic survey installed INTERNATIONAL HYDROGRAPHIC BUREAU International Hydrographic Review interpolation km² latitude level switch line spacing LLL LLL LLL Loran-C loxodrome Marine mean measurements method metres models nautical charts navigation observations obtained Ocean Oceanographic operation position possible pressure problems pseudo-range Québec reference station residual RNZN SAN DIEGO satellite scale sea level sensors Sept-Iles SHOM sounding lines specific Table tidal tide gauge transmitted Tristan da Cunha users variations variograms water level WGS 84 Datum