NOTICE: NGS Update, August 17, 2012

The National Geodetic Survey has determined that the GEOID12 model was developed using erroneous input control points, primarily in the Gulf Coast region. Click here for more information. NGS immediately corrected these errors and developed the GEOID12A replacement model. GEOID12A is now available for public analysis and comment on the NGS Beta website for GEOID12A and will soon be released for production.

C4G will analyze GEOID12A and publish our findings as soon as possible. Click here to see a map of GEOID12A minus GEOID12, changes in the data used for GEOID12A are also noted on this map.

 

You can keep up with this and other C4G related topics by following us on Twitter, Facebook, YouTube, C4Gnet RSS feed and the C4G website.

 

 

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