技术、思维

http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm96/egm96.htmlWGS 84 EGM96 15-Minute Geoid Height File and Coefficient FileThe NGA/NASA Geoid Height File consists of a 15-minute grid of

The table can be interactively re-sorted by clicking on the column header fields (Nr, Model, Year, Degree, Data, Reference).The buttons  and  in the last columns of the table directly invoke the C