GNSS Blogs

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...

What Is GNSS Ambiguity Resolution? Understanding RTK Fix

What Is GNSS Ambiguity Resolution? Understanding RTK Fix

Every RTK user has seen the positioning status change from Float to Fixed. But what exactly is being “fixed”? A common misunderstanding is that RTK ambiguity fixing directly fixes the...

What Is GNSS Ambiguity Resolution? Understanding RTK Fix

Every RTK user has seen the positioning status change from Float to Fixed. But what exactly is being “fixed”? A common misunderstanding is that RTK ambiguity fixing directly fixes the...

Why RTK Requires a Base Station: How Centimeter-Level Positioning Works

Why RTK Requires a Base Station: How Centimeter-Level Positioning Works

Why can RTK achieve centimeter-level accuracy while standalone GNSS is typically accurate only to a few meters? The answer isn't simply a better receiver—it's the base station. While standard GNSS...

Why RTK Requires a Base Station: How Centimeter-Level Positioning Works

Why can RTK achieve centimeter-level accuracy while standalone GNSS is typically accurate only to a few meters? The answer isn't simply a better receiver—it's the base station. While standard GNSS...

DGNSS vs RTK: What's the Difference and Which One Do You Need?

DGNSS vs RTK: What's the Difference and Which One Do You Need?

When using standard GNSS, your position may be accurate enough to identify the road you are on. However, for applications such as UAV mapping, robotics, precision agriculture, and land surveying,...

DGNSS vs RTK: What's the Difference and Which One Do You Need?

When using standard GNSS, your position may be accurate enough to identify the road you are on. However, for applications such as UAV mapping, robotics, precision agriculture, and land surveying,...

Active vs Passive GNSS Antenna: Which Should You Choose?

Active vs Passive GNSS Antenna: Which Should You Choose?

In a GNSS system, the antenna is often one of the most overlooked components, yet it can have a significant impact on overall positioning performance. When selecting a GNSS antenna,...

Active vs Passive GNSS Antenna: Which Should You Choose?

In a GNSS system, the antenna is often one of the most overlooked components, yet it can have a significant impact on overall positioning performance. When selecting a GNSS antenna,...

Understanding DOP: The Hidden Factor Affecting GNSS Accuracy

Understanding DOP: The Hidden Factor Affecting GNSS Accuracy

Why does GNSS accuracy sometimes become unstable — even when signal strength looks good? One important reason is DOP (Dilution of Precision). In GNSS positioning, accuracy is not determined only...

Understanding DOP: The Hidden Factor Affecting GNSS Accuracy

Why does GNSS accuracy sometimes become unstable — even when signal strength looks good? One important reason is DOP (Dilution of Precision). In GNSS positioning, accuracy is not determined only...