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4 days ago · The new datum, called the North American Vertical Datum of 1988 (NAVD 88), was defined through the leveling network and is the official vertical datum for civilian surveying and mapping activities in the United States performed or financed by the Federal Government.
Looking into what's new in C3D25, I found this: "To help civil engineers set up coordinate systems fast and efficiently, we’ve improved the UI, making it more intuitive and easier to use. Civil 3D 2025 will also allow you to set NAVD 88 vertical datum (not just horizontal data) and import customer-requested coordinate systems."
4 days ago · The Global Positioning System ( GPS ), originally Navstar GPS, [2] is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. [3] .
- United States
- Military, civilian
- Operational
- US Space Force
6 days ago · The US Army Corps of Engineers (USACOE), and NYSDEC typically currently use NGVD 29 datum. However, it is probably only a matter of time before the government agencies convert to using NAVD 88 datum, which for our area is about 0.51 ft. higher.
6 hours ago · Former President Donald Trump's criminal hush money trial continues in New York. Follow here for the latest live news updates, analysis and more.
5 days ago · Water lake or reservoir water surface elevation above navd 1988, ft levels at Clearwater Lake Near Piedmont are currently 507 ft, about 99% of normal. The average for this time of year is approximately 514.54ft.
5 days ago · Location metadata. Monitoring location 06082200 is associated with a Stream in Teton County, Montana. Current conditions of Discharge and Gage height are available. Water data back to 1964 are available online. The elevation of zero gage height has been determined to be 3,960.23 feet above NAVD 1988.
