NAD83(2011) and Geoid12 announcement
July 2, 2012 3:36 PM
NOAA's NGS has released the newly-completed National Adjustment of 2011 Project (NA2011), which adjusts approximately 80,000 National Spatial Reference System (NSRS) coordinates. The updated NAD83(2011) epoch 2010.00 coordinates are available on NGS Datasheets.
Geoid12 was released concurrently with NAD83(2011). The new Geoid12 grid files can be downloaded from the NGS Geoid page.
Online Interactive Geoid12 computations are available using the NGS toolkit