Understanding Post-Processed Kinematic (PPK) for Accurate GNSS Data Collection

Understanding Post-Processed Kinematic (PPK) for Accurate GNSS Data Collection

In this video, we dive into Post-Processed Kinematic (PPK) and explore how it differs from Real-Time Kinematic (RTK) in achieving centimeter-level accuracy using GNSS receivers. Discover how PPK works and RTK.

PPK, like RTK, utilizes observations from two GNSS receivers: a static Base station and a moving Rover. The key difference lies in the timing of positional corrections—PPK resolves errors after data collection, eliminating the need for a constant connection between the Rover and the Base station. This approach simplifies the workflow and allows for longer baselines, making it ideal for surveying over large and challenging areas.

We’ll guide you through the PPK workflow, from recording raw GNSS data in the field to post-processing it on your PC for highly accurate results. Whether you’re involved in UAV mapping, land surveying, or other precision applications, PPK provides a practical solution that saves time and effort.

00:00 - Introduction
00:13 - Equipment Setup
00:30 - Main Difference Between PPK and RTK
01:30 - PPK in Drone Mapping
01:50 - PPK Workflow
02:16 - PPK without Base Station

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