Tag Archives: gnss

Taking Surveying Underground

By Ben Shinabery Louisville’s massive Mega Caverns presented challenges for a huge subterranean survey Every day more than 150,000 people drive past the interstate billboards advertising the Louisville Mega Caverns not realizing they just drove over what is classified as the largest commercial building in Kentucky, even though it is entirely underground. What once was...

AI In Construction

AI is imperative to the future of the construction industry. It offers an intuitive way to automate tasks that free humans to focus on making the most critical decisions rather than the minutiae that wastes our time.

GPS Finds Its Way into the Future 

As the pioneering satnav program celebrates half a century of success, it must overcome setbacks to its modernization plans in order to pull off a new era of global PNT leadership

What’s Inside Your GNSS Rover? Part 3

The third and final installment of a look at the inner workings of high-precision surveying rovers. In parts one and two, which appeared in the two previous issues, we focused on antennas, amplification, housing, channels, boards, and gates. This installment continues with signal matching, positioning engines, and additional components.  Matching Signals To distill the observed...

What’s Inside Your GNSS Rover? Part 2

The second installment of a three-part look at the inner workings of high-precision surveying rovers. In Part One of this series (xyHt magazine, September 2023 issue) we focused on the antenna, amplification, and housing elements of rovers. This installment continues with channels, boards, and gates.  Channels There is a lot of misunderstanding about what receiver...

Why Opus Projects? Part 2 of 2

OPUS Projects Streamlines Submitting GPS Surveys to National Geodetic Survey By Philippe Hensel with Dan Gillins, Dan Martin and Julie Prusky  “Texas Special Reference Center (TSRC) of Conrad Blucher Institute is leading the efforts toward modernization of the horizontal and vertical datums in the State of Texas, particularly in the subsidence zone in southeast Texas....