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January 14, 2025 | 2:00-3:00 pm, ET
Presenters:
Kevin Ahlgren, Ph.D.
Geodesist, Spatial Reference System Division, Gravity and Heights Branch
Ryan Hardy, Ph.D.
Geodesist, Geosciences Research Division
Webinar Description:
A geoid model is a mathematical description of the irregular surface that approximates Earth's mean sea level and takes into account Earth's gravitational variations. GEOID2022 offers improved accuracy and data for navigation, positioning, and the myriad applications of geodesy, including autonomous navigation, precision agriculture, civil surveying, early warning systems, and improved floodplain mapping. The other models in the NAPGD2022 portfolio are derivatives of GEOID2022 and are used in many specialized applications like inertial navigation systems, geodetic leveling corrections, and corrections to other surveying observations.
*Technical Content Rating: Beginner - No prior knowledge of the topic is necessary.
As a reminder, the NGS Webinar Series hosts presentations on various topics related to NGS programs, projects, products and services to educate constituents about NGS activities.
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