The Business and Technology of Global Navigation and Positioning

Figure 1 — The anchor, not the positioner: accumulated drift over distance for pure SLAM (unbounded), SLAM with loop closures (reset at each loop, but only to self-consistency), and SLAM with genuine RTK Fixed (continually reset against an absolute frame).

What RTK actually does inside a SLAM scanner, and why pseudo-fix is the silent killer

Tricity, Poland, is indicated by the red dashes (Credit: Google Maos)

Polish institute analysis finds drastic increase in GNSS interference, offers guidelines

Today's News

Mapping

Seen & Heard: GPS aids in the search for the living, the dead and the dangerous

By Tracy Cozzens

The new portfolio combines trusted and easy-to-use X-PAD workflows with compatible Leica Geosystems instruments and connected services to support reliable, efficient surveying in the field. (Credit: Leica Geosystems, part of Hexagon)

Survey

Leica Geosystems unveils X-PAD portfolio and GNSS smart antenna

By Jesse Khalil

The Longtail Dual incorporates battery redundancy, smart battery monitoring systems, and improved charge time into A2Z’s proven Longtail aircraft. (Credit: A2Z Drone Delivery)

Autonomous

A2Z Drone Delivery launches Longtail Dual commercial UAV

By Jesse Khalil

Space & Earth

TrustPoint + EnduroSat US to build 40 sats for PNT constellation

By Tracy Cozzens

Epson Whitepaper: Rethinking Optical Stabilization

FREE White Paper: Rethinking Optical Stabilization (by Epson)

By GPS World Sponsored Content

More News

Video Spotlight

ESA celebrates 30 years of Galileo

The European Space Agency shared a special video on International GNSS Day to celebrate 30 years of the Galileo global navigation system.

Calian’s anti-jamming CRPA technology: Protecting GNSS in contested environments

Discover how Calian's CR8894SXF+ anti-jamming Controlled Reception Pattern Antenna (CRPA) mitigates jammers and enables GNSS positioning, navigation, and timing (PNT) in contested environments.

Discover Juniper Systems’ new GNSS receiver, Spire

Spire is Juniper Systems’ new lightweight and rugged GNSS receiver with worldwide correction services that is SBAS and Network RTK-Ready, right out of the box.