CALIBRAT Geodetic Software [NOAA_NGS_CALIBRAT]
The CALIBRAT program is used to determine the scale and constant corrections for electronic distance measuring instruments by making measurements over previously determined base lines. The formulas ...
USGG2003 GEOID MODEL [NOAA_NGS_USGG2003]
USGG2003 is a gravimetric geoid model, and is an update of the G99SSS model. USGG2003 covers the coterminous U.S., Alaska, Hawaii, Puerto Rico and the American Virgin Islands.
[Summary provided ...