Quick introduction to history of #GPS and how it improved accuracy over time (by Scott Manley). Ever wondered about terms L1,L2,L5, selective availability, ionospheric model, #DGPS, #WAAS, #SBAS, #EGNOS, and how it all works? Also #GNSS #SDR #FOSS project.
https://www.youtube.com/watch?v=qJ7ZAUjsycY - comment section has interesting tidbits too.
@mnalis Itβs always had sub-meter accuracy. But thatβs reserved for the military.