What is the accuracy of the GPS? Follow The GPS horizontal position accuracy is 2.5m. Related articles How do I know if iSTAR Pulsar is capturing or not? Can I use iSTAR Pulsar indoors? How accurate are the iSTAR Pulsar GPS timestamps What is the difference between iSTAR Pulsar and iSTAR Pulsar+? Can I use iSTAR Pulsar to capture single images for upload to Google Street View?