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6) GPS Positioning
Hydrographer's Toolbox
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18m
An explanation of how GPS and GNSS calculate positions combined with a review of Latitude and Longitude coordinate formats, negative values and how negative values impact positioning as well as examples of GPS data streams used by software.
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7) GPS Accuracy
This discussion on GPS accuracy will cover what affects GPS accuracy and the techniques/systems used to provide survey grade accuracy.
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8) Introduction to Geodesy
Introduction to Geodesy for the Hydrographer or GIS Technician
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9) Coordinate Systems Ellipsoids and ...
Introductory explanation of Coordinate Systems, Ellipsoids & Datums used in mapping and surveying
