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Alexey Dobrovolskiy edited this page Feb 9, 2026
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Development and support for UgCS-GeoTagger has ended. All its functionality has been transferred to a new product, SPH Engineering GeoHammer - https://github.com/ugcs/GeoHammer/wiki. Please download and enjoy the new tool!
UgCS-Geotagger is a simple post-processing tool to inject precise coordinates (latitude, longitude, and altitude) into data files for various sensors (magnetometers, GPR, etc.).

Main functions:
- Takes coordinates + altitude from Position Solution Files and using timestamp injects them into data files (Files To Update)
- Interpolation of coordinates that do not have precise time
- SEG-Y files support (with GPR data)
- Time Offset for Position Solution Files to compensate time lag
- Custom templates support
Templates:
-
Data Files:
- Echo sounder NMEA log (GPRMC and GNRMC messages) created by UgCS SkyHub
- SENSYS MagDrone R3 data in CSV format
- Geometrics MagArrow data in CSV format
- UgCS SkyHub position.csv log
- SEG-Y files with GPR data
- potentially any CSV files using custom template
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Position Solution Files
- RTKLib .pos files
- UgCS SkyHub position.csv logs
- KlauPPK .pos files