Hydromagic release notes - version 7.1

Build 7.1.16.120

• New plugin for South SDE-28S and SDE-230 echo sounders;
• Added support for Ohmex Sonarmite DFX (dual frequency) in Sonarmite plugin;
• Ability to export multiple sounding files in one go;
• Filter elevation values (ellipsoid, MSL and Tide) in raw data files;
• Import SEG-Y echo sounder data files as soundings;
• Import ODEC echo sounder data files as soundings;
• Added geoid and datum shifts for Hungary;
• Tide prediction module finished;
• Added GGGUY00 Geoid Model for French Guiana;
• Added support for NOAA VDatum binary grid files (GTX files);
• Ability to force the use of MSL values when performing tide corrections;