You may notice that you can't delete AC folder, but that's alright. 5- Restart your computer. 6- Now, were going to re-register Microsoft Edge in your account. Open the Start menu, search for Windows PowerShell, right-click it from the result, and select Run as administrator. 7- Type the following command and hit Enter : cd C:\Users\UseYourUsername.
A geodetic datum is an abstract coordinate system with a reference surface (such as sea level) that serves to provide known locations to begin surveys and create maps. In this way, datums act similar to starting points when you give someone directions.
This datum is part of a world-wide datum which is compatible with the USA Global Position System (GPS). Note how the agreement with the Geoid is more even over the whole of the Earth and that the centre of the Earth is also the centre of the Ellipsoid/Spheroid.