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Measure distance and estimate object height or depth using shadow length.Īdjust track-point depths in the sonar viewer to correct bottom-lock errors. Multi-channel, split-screen display with smooth playback up to 30x.Īdjustable brightness, contrast and colour palettes. Save contour maps in ESRI Shapefile format and 3D bathymetry in ESRI grid format for use in other GIS applications.Ĭompatible with Humminbird and Lowrance sonar log files. Save geo-referenced, high-resolution map images for use in documents and websites. Generate stunning AT5 vector or shaded-relief maps for Lowrance and Simrad GPS units.Ĭreate contour maps as track files for display on Humminbird devices.Įxport full-colour contour maps in Google Earth's KML format for display within Google Earth and mobile devices. Single click export for a range of Lowrance and Google Earth Preset Map Styles. Save your maps in a range of formats, including: Show the live boat position on any ReefMaster screen. Receive GPS and depth from up to two separate NMEA sources, with adjustable latency. Log depth and position data via NMEA 0183.Ĭreate maps in real time, with a split screen (live-track/map) display. View and export maps in a range of pre-defined palettes, or create your own colour scheme.Īdjustable contour intervals in metric or US units.Ĭreate maps in real-time with NMEA 0183 data: ReefMaster puts this depth and position data together to build a highly detailed underwater map.Ĭreate contour maps from sonar log files and view them in 2D and 3D, with a range of base-map options.Ĭombine mapping data from a wide range of sources, including native Lowrance and Humminbird sonar logs, GPX files, NMEA 0183, ESRI Shapefiles and text files.Ĭreate maps of the sea or lake bed hardness using the optional Bottom Composition add-on module.Ĭalculate water volumes using the optional Volumes and Areas add-on module.Ĭreate, drag and drop waypoints in both the 2D and 3D map views.

The depth sounder on your boat can detect how deep the water underneath you is. ReefMaster is a Windows PC application that uses data from sonar log files to create 3D underwater maps, combined with a multi-channel sonar viewer and graphical waypoint management. With ReefMaster you can create your own maps, view sonar recordings, manage waypoints, and produce stunning high-resolution sidescan mosaic images.