Trimble recently announced it has supplied GPS reference stations and Trimble VRSTM (Virtual Reference Station) software to establish five new infrastructure networks throughout China. Located in Shanghai, Wuhan, DongGuan, Tianjin and Beijing, the multi-purpose networks will provide a geo-spatial infrastructure in each area. The networks will supply fast and accurate GPS positioning for a variety of applications including surveying, urban planning, urban and rural construction, environmental monitoring, resource and territory management, disaster prevention and relief, precision agriculture, scientific research and transportation management. The new Trimble VRS installations follow the Shenzhen and Chengdu networks already implemented in China.
The Shanghai VRS network is operated by the Shanghai Surveying and Mapping Institute and will serve as the infrastructure for the “Digital Shanghai” information system. The Wuhan system is operated by the Wuhan Geotechnical Engineering & Surveying Institute and includes six Trimble NetRS GPS reference stations that operate with Trimble GPSNet and RTKNet software. The DongGuan network includes five Trimble 5700 Continuously Operating Reference Station (CORS) GPS reference stations that use Trimble GPSNet and RTKNet software. The Tianjin system is operated by the Tianjin Institute of Surveying and Mapping. Operated by the Beijing Information Resource Management Center, the Beijing VRS network includes nine Trimble 5700 CORS GPS reference stations, and Trimble GPSNet and RTKNet software. The network is expected to play an important role in construction and transportation for the 2008 Olympic Games.