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Tech Chat | How to conduct PPK survey tasks? – Part 2 Post‑processing

Zemel | SingularXYZ ·

In the previous blog, we have introduced how to conduct the field work of PPK survey. In this article, let us learn together about how to deal with the collected raw data and obtain accurate positioning results.

Read previous blog: Tech Chat | How to conduct PPK survey tasks? – Part 1 Field survey

Preparation:

  • GNSS raw data of PPK base station

  • GNSS raw data of PPK rover

  • PProcessing post-processing software (contact our support team to download the software: support@singularxyz.com)

Step 1: Data Import

Open PProcessing software, follow the left navigation bar to do post-processing. Go to Project >> Create to create a new project. You can click Modify to set the coordinate system and geoid model parameters.

Creating a post-processing project and modifying its template

After creating a new project, go to Observation >> Import files to import the PPK raw data. Select the file attribute as static to import the raw data of base station, and select the file attribute as dynamic to import the raw data of rover.

Choosing static or dynamic observation files for import

Imported observation files in the PPK processing workspace

Tips：

1. Please select the corresponding file attributes and format of your imported data.
2. After data is imported, you can right-click the data file to select the antenna type, analyze data or modify related contents.

Step 2: Dynamic baseline processing

Go to Dynamic baseline on the left. Select the baseline that needs to be processed and click Process. Click OK after the processing is complete.

Processing a dynamic baseline between static and moving receivers

You can see the fixed epoch number and fixed epoch rate.

Dynamic baseline processing summary with fixed-solution statistics

Double click the processed baseline, you can view the positioning data of each epoch.

Epoch-by-epoch coordinates and solution status after PPK processing

Step3: Data Export

After post-processing, you can go to the Map interface to have an overview of all survey points.

Processed receiver trajectory displayed on a map

Go to Dynamic baseline >> Report setup, select the file format you need to export the result data.

Selecting PPK report type, format and height output

Keywords

Geospatial PPK GNSS