“That means the reach of jammers will be much smaller against our system, but we will also be able to reach deeper into indoor locations, penetrating through multiple walls.”A satnav system for the 21st centuryThe first GPS system went live in 1993. Other existing Global Navigation Satellite System constellations, such as Europe’s Galileo, Russia’s GLONASS, and China’s Beidou, have similar architectures and experience the same problems. But when Reid and cofounder Brian Manning founded Xona Space Systems in 2019, they didn’t think about jamming and spoofing. Xona Space System’s completed Pulsar-0 satellite is launching this June. “GPS has the superpower of being a ubiquitous system that works the same anywhere in the world,” Reid says.