China Environmental Monitoring Network Structure is one of twelve Major National Science and Technology Infrastructure Construction Projects of the National High Technology Industry Development Project. It is led by China Earthquake Administration, and is jointly constructed by Surveying and Drawing Bureau of Headquarters of the General Staff, Chinese Academy of Sciences, National Bureau of Surveying and Mapping, China Meteorological Administration and Ministry of Education.
The main constructions of China Environmental Monitoring Network Structure include reference net, local area network and data system. The reference net is the main frame of the network structure, containing 260 GNSS reference stations for continuous observation. Ulastay GNSS station is one of the 260 reference stations