Technical Insights

Geospatial Engineering Blog

Technical articles and insights on remote sensing, satellite data pipelines, and spatial analysis. Generated directly from Google Colab notebooks.

Oct 18, 2026 7 min read

EGMS vs levelling in North Rhine-Westphalia: a check without GNSS

I compare EGMS vertical motion with precise levelling on 1,216 benchmarks near open-pit lignite mines in Germany. Part 2 of 2.

EGMSInSARLevellingValidation

Oct 17, 2026 2 min read

EGMS vs GNSS in Groningen: does satellite radar see the same subsidence?

I compare ground motion from the European Ground Motion Service (Sentinel-1 InSAR) with 35 GNSS stations above the Groningen gas field. Part 1 of 2.

EGMSInSARSentinel-1GNSSValidation