Recently, the Municipal Planning Bureau, the national mapping agency commissioned by the "National Global Navigation Satellite System Continuously Operating Reference Station" in Chongqing Pengshui station site exploration and selection of work. "National Global Navigation Satellite System Continuously Operating Reference Station" was a national benchmark of modern surveying and mapping infrastructure system, an important construction projects, plans to build 150 countries, Global Navigation Satellite System (GNSS) Continuously Operating Reference Station, and other alterations with the domestic use of 210 countries, GNSS Continuously Operating Reference Station and the national satellite geodetic control network composed of national mapping system for a modern reference. Pengshui base station is a modern surveying and mapping reference system for the State-building in the city only to plan new Jianzhan site. Chongqing Urban Planning Bureau, with a GPS integrated service system, two-building, and actively organize technical backbone, in-depth exploration and investigation Pengshui county election, the base station, the observed completion of site selection study, GPS24 hours of continuous testing and analysis, the intention to discuss land acquisition , geo-environmental evaluation of exploration and technical work of the election for the country's global satellite navigation system, base station construction in Chongqing Pengshui laid a solid foundation for the effective promotion of the national benchmark of modern surveying and mapping system.