Europe News: Switzerland upgrades nationwide positioning network

Europe News:  Switzerland upgrades nationwide positioning network

Trimble has supplied 31 Trimble NetR5™ GNSS reference stations and Trimble Zephyr Geodetic™ 2 antennae to Switzerland’s Federal Office for Topography (swisstopo) to upgrade the country’s nationwide positioning network with GNSS capabilities.

The permanent geospatial infrastructure will support satellite signals from GPS and GLONASS, significantly optimising RTK positioning performance for surveying, engineering and GIS professionals.

Known as AGNES (Automated GPS Network for Switzerland), the Swiss infrastructure enables swisstopo to provide the Swiss Positioning Service (swipos), which supplies RTK GPS and Differential Global Positioning System (DGPS) corrections to users of the network.

By implementing Trimble NetR5 GNSS reference stations, which support the modernised GPS L2C and L5 signals as well as GLONASS L1/L2 signals, the network will be upgraded and called AGNES II.

AGNES II will also be compatible with future-planned constellations and frequencies.

Originally built in 1999 with Trimble GPS receivers, the network covers the entire 41,000 square km (25,476 square miles) of Switzerland. Users of AGNES II will be able to optimise positioning performance particularly in reception-critical areas, such as those with interrupted reception and zones with extreme topographic features.

In addition, the use of Trimble RTKNet™ software provides AGNES II with Trimble VRS™ (Virtual Reference Station) functionality, which computes a virtual reference station for the user in the field, increasing system reliability and allowing significantly greater distances between reference stations.

AGNES II is expected to be fully operational by summer 2007.

The nationwide Swiss VRS network follows more than 80 Trimble infrastructure installations networks throughout the world including: Australia, Austria, Belgium, Canada, Czech Republic, China, Denmark, Finland, France, Germany, Greece, Italy, Japan, Kingdom of Saudi Arabia, Lithuania, Malaysia, the Netherlands, New Caledonia, Norway, Poland, Portugal, Republic of South Africa, Serbia, Singapore, Slovenia, Slovakia, South Korea, Spain, Sweden, Switzerland, Taiwan, the UK and US.

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