GNSS Blogs

When GNSS Is Lost: How Does the IMU Keep Navigation Alive?

When GNSS Is Lost: How Does the IMU Keep Navigation Alive?

A vehicle is travelling on an open road with a stable GNSS position. As it enters a tunnel, the number of tracked satellites quickly decreases until the GNSS solution is...

When GNSS Is Lost: How Does the IMU Keep Navigation Alive?

A vehicle is travelling on an open road with a stable GNSS position. As it enters a tunnel, the number of tracked satellites quickly decreases until the GNSS solution is...

Integrated Navigation for Low-Speed Unmanned Vehicles

Integrated Navigation for Low-Speed Unmanned Vehicles

As autonomous driving moves from trials into real-world operation, low-speed unmanned vehicles are becoming an important part of smart logistics. Compared with passenger vehicles on public roads, they travel more...

Integrated Navigation for Low-Speed Unmanned Vehicles

As autonomous driving moves from trials into real-world operation, low-speed unmanned vehicles are becoming an important part of smart logistics. Compared with passenger vehicles on public roads, they travel more...

GNSS Integrity and RAIM: A Practical Introduction

GNSS Integrity and RAIM: A Practical Introduction

Key Takeaways Accuracy tells you how close the solution may be; integrity tells you whether it can be trusted. RAIM uses redundant observations to detect or exclude faults, but it...

GNSS Integrity and RAIM: A Practical Introduction

Key Takeaways Accuracy tells you how close the solution may be; integrity tells you whether it can be trusted. RAIM uses redundant observations to detect or exclude faults, but it...

RTK vs PPK: How to Choose for Real-World GNSS Projects

RTK vs PPK: How to Choose for Real-World GNSS Projects

Choosing the right method is not only about accuracy. It is about balancing real-time efficiency, communication risk, and the ability to recover valuable field data. An RTK-enabled drone takes off...

RTK vs PPK: How to Choose for Real-World GNSS Projects

Choosing the right method is not only about accuracy. It is about balancing real-time efficiency, communication risk, and the ability to recover valuable field data. An RTK-enabled drone takes off...

PPP-RTK Explained: How It Achieves Global Centimeter-Level Positioning

PPP-RTK Explained: How It Achieves Global Centimeter-Level Positioning

PPP-RTK is a high-precision GNSS positioning technology designed to provide fast centimeter-level positioning over wide areas without relying on a local RTK base station. The phrase “global centimeter-level positioning” is...

PPP-RTK Explained: How It Achieves Global Centimeter-Level Positioning

PPP-RTK is a high-precision GNSS positioning technology designed to provide fast centimeter-level positioning over wide areas without relying on a local RTK base station. The phrase “global centimeter-level positioning” is...

What Is PPP in GNSS? High-Precision Positioning Without a Base Station

What Is PPP in GNSS? High-Precision Positioning Without a Base Station

In high-precision GNSS applications, RTK (Real-Time Kinematic) is one of the most familiar centimeter-level positioning technologies. By transmitting real-time corrections from a base station to a rover, RTK enables rapid...

What Is PPP in GNSS? High-Precision Positioning Without a Base Station

In high-precision GNSS applications, RTK (Real-Time Kinematic) is one of the most familiar centimeter-level positioning technologies. By transmitting real-time corrections from a base station to a rover, RTK enables rapid...