Geodesy

Geodesy is the science of measuring Earth’s shape, orientation, gravity field, and surface motions.

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📌 Key Areas

• GNSS/GPS processing
• Earth rotation & reference frames
• Crustal deformation
• Satellite geodesy
• Interferometric SAR (InSAR)
• Geoid modeling
• Gravity measurements (GRACE/GOCE)

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🔧 Open-Source Tools

RTKLIB

Open-source GNSS positioning & processing.
🔗 https://github.com/tomojitakasu/RTKLIB

GAMIT/GLOBK (free academic license)

GPS & geodetic network adjustment.
🔗 https://geoweb.mit.edu/gg/

PyGNSS

Python tools for GNSS analysis.
🔗 https://github.com/iondynamics/pygnss

MintPy

InSAR time-series processing.
🔗 https://github.com/insarlab/MintPy

ISCE2

SAR/InSAR geodetic processing.
🔗 https://github.com/isce-framework/isce2

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📡 Global Geodetic Data Sources

UNAVCO

GNSS data, velocity models.
🔗 https://www.unavco.org

NASA MEaSUREs

Surface deformation datasets.
🔗 https://earthdata.nasa.gov

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🎥 YouTube Playlists

• InSAR Tutorials by InSAR Lab
  🔗 https://www.youtube.com/c/insarlab

• GNSS Data Processing – Lectures
  🔗 https://www.youtube.com/results?search_query=gnss+tutorial

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📘 Learning Resources

• Geodesy for Planet Earth (open notes)
  🔗 https://bookdown.org/robinlovelace/geodesy/

• ESA InSAR Course Notes
  🔗 https://earth.esa.int/web/guest/eo-education