1.Run Hi-Net Server Software, Go to: Tools> Update with post diff result. 2.Mark on “use log file”, then click on “ change” to enter Post-Processing interface. 3.Import Base raw data and Rover raw data. Input the known point coordinates of Base station. 4.Click onselect, create a file name for the result file, and then click on calculate,wait for finished.The program would process and generate a post-processed file (*.log). 5. After processing finished, click on Add *.prj to import Hi-Q project; then click on load and update,the processed result would apply to the project.