Today's News 24/4/2024: U.S. Secretary of State Antony Blinken begin his official visit to China. Nghệ An TV · 8:45 · Today's News 23/4/2024: Drone attacks ...
In this video we examine the use of the current primary geodetic datums used in the US, NAD 83 and NAVD 88, the challenges in maintaining these datums, and the ...