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Video Library


NGS, in partnership with The COMET Program, has developed short videos about topics related to geodesy and mapping. View or download our featured video or previous videos. Please visit the COMET YouTube Channel to view the entire playlist. 

image of land with houses, roads and pathwaysWhat are Geodetic Datums?
black and white historical photo of early surveyorsHow Were Geodetic Datums Established?
image of map showing North American Datum of 1983What Is the Status of Today's Geodetic Datums?

image of online NGS mapping applicationWhat's Next for Geodetic Datums?
image of tri-pod set up to do surveyingPrecision and Accuracy in Geodetic Surveying
image of surveying near a roadTwo Right Feet? U.S. Survey Feet vs. International Survey Feet

image of the coastGeospatial Infrastructure for Coastal Communities: Informing Adaptation to Sea Level Rise
image of a surveyor using a tri-pod to surveyBest Practices for Minimizing Errors during GNSS Data Collection
image a plane flying over the shorelineThe Importance of Accurate Coastal Elevation and Shoreline Data

image of vdatum software interfaceNOAA's VDatum Tool: Transforming Heights Between Vertical Datums
image of a bench mark and play buttonGeodetic Control in Land Surveying: Active vs. Passive
image of many NGS services with thumbnails and play buttonLocation Science Improves Everyday Life