Introduction - If you have any usage issues, please Google them yourself
GPS measurements have been widely used in the actual production, it has also become a real three-dimensional measurement tools, plane accuracy is unquestioned, but the measurement precision is still not widely recognized. This article discusses the impact of GPS altimetry several factors, and high-precision real-time dynamic differential technique GPSRTK example discusses the feasibility of GPS altimetry and to achieve the accuracy targets.