Figure 8: Legend on GPS on Bench Marks Web Map Application Site (Photo: National Geodetic Survey)

Using the new interactive ‘GPS on Bench Marks’ map

August 7, 2019

The National Geodetic Survey (NGS) is now developing the 2022 transformation model. Once again, NGS requests the assistance […]

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This article is tagged with GPS benchmarks, GPS on Bench Marks Program, National Geodetic Survey, NGS and posted in Opinions, Survey

Source: GPS World

A look at NGS’ GPS on benchmarks program in Alaska

April 5, 2017

The last column, February 2017, focused on addressing the following questions: (1) Is the large GPS on benchmarks […]

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This article is tagged with Alaska, David B. Zilkoski, GPS benchmarks and posted in Opinions, Survey