A ship that switches off its transponder disappears from the data you have. Satellite detection plus an AIS cross-check gives you a second look that does not depend on the ship's cooperation.
Tag: Geoint
2026
A Python CLI and Chrome extension that exports public Google Maps to KML, KMZ, and GeoJSON — preserving layers, placemarks, and marker icons.
A beginner-friendly guide to installing and using the PWTT plugin for QGIS — the same radar-based method behind Bellingcat's damage maps, now available for anyone to run at home.
2020
How to show Wigle search results in Google Earth