G
Geodesy

Jan Douša

Dr. Jan Douša is a senior researcher and GNSS expert at the Geodetic Observatory Pecný (GOP), specialized in precise orbit determination, precise positioning, GNSS data quality and system monitoring, and atmosphere sensing.

Beyond Navigation: How GNSS Reveals Earth’s Hidden Secrets

and April 24, 2026
Beyond Navigation: How GNSS Reveals Earth’s Hidden Secrets

Part 2 – the regional case In our previous post, we discussed global scale phenomena, showing how the Global Navigation Satellite Systems (GNSS) constellation is the ultimate instrument for monitoring the Earth as a whole: tracking plate tectonics, defining the planet’s absolute size, and measuring variations of its gravity field. Essentially, the big questions of our constantly changi ...[Read More]

Beyond navigation: How GNSS reveals Earth’s hidden secrets

and November 28, 2025
Beyond navigation: How GNSS reveals Earth’s hidden secrets

Part 1 – the global case When you check directions on your smartphone or track your morning run, you’re tapping into a global infrastructure that has revolutionized not just navigation, but our understanding of Earth itself. What began as military technology has evolved into powerful scientific tools that confirm longstanding theories and reveal previously unobservable phenomena. In th ...[Read More]