Difference: NAD83 epochs Print

Little shift

Shifts between epochs are minimal.

The following 2 images, courtesy of Michael Dennis, NGS show the difference between NAD 83(2011) epoch 2010.0 and NAD 83(CORS96) epoch 2002.0 in CONUS

Compare_NAD83_2011_and_CORS96_horizontal_change.

Compare_NAD83_2011_and_CORS96_vertical_change

Note: A new tool is being developed to move between epochs of NAD83

NGS and Richard Snay expect GeoCONN to be released in early 2013