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).

Opinions

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

Peter Yang

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

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

One of the most common is jamming, where receivers are overwhelmed with signals that ‘clog’ the airwaves, rendering them unable to function properly.(Credit: ESA)

No signal left behind: New ways to detect jamming and spoofing

Today's News

Survey

TXST, Leica Geosystems partner to modernize construction education

By Tracy Cozzens

Complementary PNT

Q-CTRL demonstrates GPS-free quantum navigation in Coral Sea field trial

By Tracy Cozzens

Opinions

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

By Peter Yang

Editorial photograph of a rugged U.S. Army medium tactical vehicle in an outdoor military depot setting, with a soldier in combat uniform installing an advanced electronic navigation kit near the vehicle's dashboard and antenna mount. Show close-up technical details of a compact anti-jam GPS antenna mounted on the vehicle's exterior and a ruggedized handheld GPS/navigation device being connected via cables inside the cab.

Defense

US Army orders additional GNSS anti-jam kits for vehicles

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.