The National Geodetic Survey has a set of links online conversion utilities for performing some basic geodetic conversions, including: High-accuracy state plane coordinate system (SPCS) conversions UTM/USNG/geographic coordinate conversions Magnetic declination Surface gravity prediction Azimuth/distance to a second position (or second position from azimuth/distance data) Position from a dual-frequency GPS data file Plus many more. […]Related posts:
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