![Figure 27: GRACE Trend over CONUS from UTCSR RL06 Model [mm/yr] (Source: Figure 27 from Technical Report NOS NGS 69)](https://www.gpsworld.com/wp-content/uploads/zilkoski-december-2019-column-image-19-245x187.jpg)
How NGS can implement a time-dependent geopotential datum
December 4, 2019
The National Geodetic Survey (NGS) has published a technical report that describes options for how NGS can implement […]
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The National Geodetic Survey (NGS) has published a technical report that describes options for how NGS can implement […]
My last column highlighted the next phase of the National Geodetic Survey’s (NGS) GPS on Bench Marks program; […]
My last column discussed the preliminary results of NGS’ second Multi-Year CORS Beta Solution of the National CORS. […]
The National Geodetic Survey (NGS) is performing another Multi-Year CORS Solution (MYCS) of the National CORS. This will […]
On Aug. 10, the National Geodetic Survey (NGS) released its latest experimental geoid model, xGeoid18. In early 2019, […]
The number of GPS on Bench Mark (BM) stations highlighted as complete on the National Geodetic Survey (NGS) […]
My last column described the National Geodetic Survey’s (NGS) GPS on Bench Marks (BM) 2018 interactive web map, […]
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