Projection deformation processing for mine GPS control network;

Discussion about improving small-scale project GPS control network precision method;

Construction survey technology of high precision GPS control network for Liuyang-Changsha diversion project;

The Method of How to Distinguish initial Numerical Date when Adjustment was Restrained by GPS Network;

Study on urban GPS network;

In this paper, the desigmingg traits, Key technology, and the effects of Guangzhou GPS network are introduced.

Research on common point compatibility of GPS control net;

The application of integrated adjustment on Urumqi urban natural gas project phase 1 & phase 2 GPS control net;

This paper introduces the distribution of GPS control net of hydro-junction,and analyzes on the precision design of GPS control net.

Based on Gauss projection theory,this paperdiscusses the question choosing a system of coor-dinates of engineering control networks,and gives a method of choosing a system of coordinates of GPS engineering control networks,thus ensures that engineering control networks are built in high precision.

This paper introduces Hechuan Water Intake and Delivery Project in Linfen City, expounds the layout of GPS construction control network, the implementation of field observation and data processing, which sum up some beneficial experiences for future construction control network by using GPS measurement technology.