GNSS Blogs

GNSS and IMU Time Synchronization: Why Timing Matters in Integrated Navigation

GNSS and IMU Time Synchronization: Why Timing Matters in Integrated Navigation

GNSS and IMU time synchronization is a fundamental requirement for reliable GNSS/INS integrated navigation. GNSS provides absolute position, velocity, and time information, while an Inertial Measurement Unit (IMU) continuously measures...

GNSS and IMU Time Synchronization: Why Timing Matters in Integrated Navigation

GNSS and IMU time synchronization is a fundamental requirement for reliable GNSS/INS integrated navigation. GNSS provides absolute position, velocity, and time information, while an Inertial Measurement Unit (IMU) continuously measures...

Top 10 Key Metrics for Evaluating GNSS Navigation Chips

Top 10 Key Metrics for Evaluating GNSS Navigation Chips

GNSS navigation chips are at the core of positioning systems used in smartphones, smartwatches, drones, robotics, vehicles, and many other connected devices. Their performance directly affects positioning accuracy, signal availability,...

Top 10 Key Metrics for Evaluating GNSS Navigation Chips

GNSS navigation chips are at the core of positioning systems used in smartphones, smartwatches, drones, robotics, vehicles, and many other connected devices. Their performance directly affects positioning accuracy, signal availability,...

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...

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...

Can Single-Frequency RTK Still Be Used? Applications, Accuracy, and Limitations

Can Single-Frequency RTK Still Be Used? Applications, Accuracy, and Limitations

RTK (Real-Time Kinematic) is widely used to achieve centimeter-level GNSS positioning in surveying, agriculture, robotics, UAV mapping, and machine control applications. Today, most high-performance RTK receivers support dual-frequency or multi-frequency...

Can Single-Frequency RTK Still Be Used? Applications, Accuracy, and Limitations

RTK (Real-Time Kinematic) is widely used to achieve centimeter-level GNSS positioning in surveying, agriculture, robotics, UAV mapping, and machine control applications. Today, most high-performance RTK receivers support dual-frequency or multi-frequency...