Category Archives: GNSS/Location Tech

Why the NSRS and SPCS are being Modernized
Modernization of the National Spatial Reference System (NSRS) is driving the adoption of the State Plane Coordinate System of 2022 (SPCS2022). This is big news for surveyors because 48 states already have a codified SPCS.

Lidar, 3D Modeling Bringing Fort Anne Back to Life
A Canadian archaeologist is using advanced mapping and visualization technologies to bring one of the earliest European settlements in North America back to life. Dr. Jonathan Fowler combined a centuries-old map with a modern 3D terrain model to portray Fort Anne and its surrounding in stunning detail – just as the Nova Scotia site looked...

Using Lidar to Strengthen Ground Control
With the maturity of aerial photogrammetry in the early 1900s in pre-war Germany, military applications, especially reconnaissance and semi-accurate 3D maps and approximate contour lines, became the norm.

GNSS rover developments give surveyors a new edge
Chris Trevillian describes the Trimble R12i GNSS receiver with ProPoint engine with tilt compensation and calibration-free operation for flexibility, traceability and robustness

ReachView 3: Native App for Reach Receivers
ReachView 3 is the new mobile app by Emlid for working with Reach RTK receivers. Familiar point collection and stakeout tools are now powered with the new user interface, coordinate system support, and ability to manage big projects. It is a free app available for Android and iOS devices. Coordinate Systems on Board In ReachView...

The Challenges of Near-shore Hydrographic Surveys
Near-shore hydrographic surveying can be a challenging task, especially if the conditions are not ideal to collect the required data.