GPS seems like magic — your phone knows exactly where you are within meters. Here's the elegant physics behind it: atomic clocks, triangulation, and a constellation of 31 satellites in medium Earth orbit.
Launch is only ~2-3% of the ~$700B space economy. The other 97% — Earth observation, satcom, GPS, debris removal, tourism, manufacturing — and the sectors most investors miss.
Satellites, GPS, and NDVI imagery are boosting crop yields 15-20% worldwide. How NASA's SMAP, Copernicus, and ISRO data feed farmers from Iowa to Uttar Pradesh.
GPS has generated $1.4 trillion in US economic value — here's how it works alongside Galileo, GLONASS, BeiDou, NavIC, and QZSS in 2026's six-system GNSS landscape.
