ArcGIS web app incorporates datasets, NGS data layers for surveyors
December 2, 2020
My last column described a new National Geodetic Survey (NGS) webtool for obtaining geodetic information about a passive […]
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My last column described a new National Geodetic Survey (NGS) webtool for obtaining geodetic information about a passive […]
Individuals who use GNSS today may not know the significant advancements that have been accomplished over the past […]
Orthometric height support (survey-grade elevations) enables Arrow GNSS receivers to collect high-accuracy, survey-grade vertical data with any data-collection […]
Strategically Occupying Stations to Support NGS’ GPS on Bench Marks Program This is the 11th segment in my […]
![[FIGURE 1] New Datums: Approximate Orthometric Height Change](https://www.gpsworld.com/wp-content/uploads/2016/12/Fig1-datum-NGS-ortho-height-change-250x188.jpg)
Understanding the differences between the North American Vertical Datum of 1988 and the new 2022 Vertical Reference Datum […]
Upcoming Survey Scene newsletters will carry additional columns in this series. Basic procedures and tools for determining valid published […]
Basic procedures and tools for determining valid NAVD 88 heights for constraints To date, the six parts of “Establishing Orthometric […]
Basic procedures and tools for ensuring GNSS-derived orthometric heights meet the project’s desired accuracy To date, this series […]
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