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The Clock(s) at the Center of the Universe

To provide precise global time, critical to our digital world, the United States Naval Observatory serves as the major node in a worldwide array of synchronized atomic clocks For all but a relatively few astronomers and scientists, the universe of humans centers around our earthbound activities and our heuristic sense...

Figure 1 A control traverse example.

I Don’t Need No Stinkin’ Statistics

This entry is part 6 of 7 in the series xyHt in print May 2015Surveying Statistics, Part 1 Do you perform GNSS surveys? Do you use OPUS or perform RTK surveys simply because you don’t understand your software’s output? Do you always use the compass-rule adjustment for traverse data simply...

Ambassador Peter Thomson, Fiji’s permanent representative to the United Nations, presents to the General Assembly the resolution titled, “A global geodetic reference frame for sustainable development.”

A Global Geodetic Roadmap

This entry is part 7 of 7 in the series xyHt in print May 2015Above: Ambassador Peter Thomson, Fiji’s permanent representative to the United Nations, presents to the General Assembly the resolution titled, “A global geodetic reference frame for sustainable development.” The United Nations takes up the call to develop a global...