Jeffrey Ryan

**GEOID18 Update in CSD88**

Blog Post created by Jeffrey Ryan on Dec 12, 2019

Dear TBC users,

 

 

The GEOID18 grid files in the little endian and ASCII grid formats that were posted by NGS prior to November 26, 2019, contained errors in a small percentage of the grid cells (1 in 500). NGS has corrected the errors and replaced these files. Therefore, the TBC team has since incorporated these critical changes in the Coordinate System Database 88 (CSD88). Please see our ‘Check for Updates’ in TBC to install the latest changes.

Thank you!
ngs geoid csd88

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