Category Archives: GNSS/Location Tech

Getting out Is a Good Thing

Field Notes Although I have been active in the surveying profession in several ways over the years, including serving as the editor of Field Notes, I really haven’t ventured out much to seek face-to-face encounters in various venues and settings, but that recently changed a bit and has produced a new perspective for me. In...

OS 3D GIS Urban Canyon GNSS

Improving GNSS in the Urban Canyon

To prepare you for the this blog post, I wish to point out that I am a geospatial expert and can hold my own around the ins and outs of survey, so going to an event at the Ordnance Survey on “3D mapping for the improvement of GNSS in urban areas” was an eye-opener. You...

Radiant Earth

Connecting the global development community to Earth imagery and primary analytical tools. Nonprofits working on global development issues have had great difficulty acquiring and using a staple source of geospatial data in the form of Earth observation imagery collected by satellites. Anne Miglarese, the founder, and CEO of Radiant.Earth is working to change this. Miglarese...

Monitoring a Historic Bridge Replacement

A survey manager describes how monitoring improved construction processes for the replacement of an 85-year-old bridge connecting Illinois and Iowa. The Savanna-Sabula truss bridge added to the National Register of Historic Places in 1999, carried passengers along U.S. 52 and Illinois 64 over the Mississippi River, connecting the towns of Savanna, Illinois, and Sabula, Iowa....

Pengfei Duan

Senior Autopilot Engineer, Tesla California, USA Of course, a nomination from the innovation incubator Tesla would pique interest. A recent boom in R&D has connected the worlds of high-precision GNSS and multi-sensor autonomous and augmented navigation systems. Pengfei (Phil) Duan is a talented young engineer with deep roots in GNSS engineering and research who is...

Shifting Ground: GNSS for Earthquakes

Glen Mattioli, Director of Geodestic Infrastructure, UNAVCO This is the third article in our series introducing you to scientists and technologists who work in pursuit of early-warning capabilities for earthquakes and volcanoes—in the increasingly aligning fields of seismology, geodesy, and surveying. You can access this series on our website by searching the author’s name. Glen...