Geocue Adds Third Party GNSS Capability to Phantom 4 RTK

I was lucky enough to be part of the team that developed the first rudimentary RTK techniques in 1992 while working for a small Canadian firm, GeoSurv, in Ottawa, Canada. At the time, GPS was a very unreliable signal and SA/AS (selective availability and anti-spoofing) played havoc with our early attempts to establish good locations…