Tag Archives: gnss

The Surveyor and the “Geodesy Crisis”

Surveyor’s Corner By Tim Burch To the average professional surveyor, the term “geodesy” does not exist in their everyday conversations about the business. While the use of state plane coordinates has expanded greatly with the development of GPS/GNSS receivers and RTK/RTN connectivity, the mathematics and “black magic” of geodesy remains an enigma to most of...

From Meters to Centimeters

Understanding correction services for GNSS By Towfique Ahmed Real-time correction services were created to enhance the accuracy of Global Navigation Satellite Systems (GNSS), reducing errors from tens of meters to precise, centimeter-level measurements. While some applications can function with sub-meter accuracy—such as those supported by regional Satellite-Based Augmentation System (SBAS) solutions—surveying requires far greater precision....

Weathering Solar Storms

Entering the peak year of the current Solar Cycle, GNSS users are already experiencing negative effects. The good news is that there are planning resources, and many of today’s advanced rovers can ride out all but the roughest solar storms.

xyHt Digital Magazine: Feb/Mar 2025

xyHt magazine’s February/March issue highlights mapping and surveying and takes an in-depth look at a few issues involving both. As always, if you don’t have a subscription to our print edition, or if someone else in the office has snaffled your copy, don’t fret, here is the digital edition. Click here or on the cover to the...

xyHt Digital Magazine: November 2024

xyHt magazine’s November 2024 issue focuses on building information modeling, with an in-depth look at the construction industry’s slowness to adopt the evolving technology. As always, if you don’t have a subscription to our print edition, or if someone else in the office has snaffled your copy, don’t fret, here is the digital edition. Click here or...