Why users will need to perform GNSS occupations as part of a leveling project after 2022
June 3, 2020
This column will address why users will be required to perform GNSS occupations when submitting a leveling project […]
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This column will address why users will be required to perform GNSS occupations when submitting a leveling project […]
My February 2020 column provided an analysis of the differences between the latest published hybrid Geoid18 values provided […]
My last column, December 2019, highlighted the National Geodetic Survey’s (NGS) new Geoid Monitoring Service (GeMS); and, that […]
![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)
The National Geodetic Survey (NGS) has published a technical report that describes options for how NGS can implement […]
A famous quote applies to almost everything in our lives: “There is nothing permanent except change.” This well-known […]
My last column highlighted the next phase of the National Geodetic Survey’s (NGS) GPS on Bench Marks program; […]
In what seems like just yesterday, GPS World published my article in the May 2017 issue of Survey […]
The National Geodetic Survey (NGS) is now developing the 2022 transformation model. Once again, NGS requests the assistance […]
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