Differential Correction Sources: SBAS, RTK Base Stations, and Real-time GNSS Networks

We get a lot of questions about how to improve in-the-field accuracy with GNSS equipment.  Many new or less-experienced users suspect that when a device is marketed to provide 10 cm or 1 cm level accuracy, that it provides that right out of the box.  When you pay a pretty penny for a high-end machine […]