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USACE Technical Letters - index
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USING DIFFERENTIAL GPS POSITIONING FOR ELEVATION DETERMINATION
Proponency and Technical Assistance
Appendix A. Determination of Elevations with GPS Surveying Techniques
Figure 1. Geoid/Ellipsoid Relationship
GPS - NAVD88 Transformation Techniques
Results of Field Testing
Process GPS data with Precise Ephemeris.
ETL 1110-1-183