RT @GPSGIS_Eric@twitter.com

2019 is going to be a great high-precision #GNSS year. 30 sats in use today (45 in view) with RTK (less then 1cm horizontal precision, PDOP = 1). Now, lets go find some trees and buildings to stress test it... #GPS #Glonass #Galilieo #BeiDou #GIS

🐦🔗: https://twitter.com/GPSGIS_Eric/status/1080183837043249152