15 InfrastructureThe future of the Survey, Mapping and Construction industries.
16 Server: Central Data Management InfrastructureServer: Central Data Management
17 Data FlowReference Station data streams back to server through LAN or Internet
18 Data FlowRoving receiver sends a NMEA string back to server using cellular modem - VRS position is establishedVRSNMEA - GGA
19 Data FlowServer uses VRS position to create corrected observables and broadcasts to roverVRSRTCM or CMR+
20 Data FlowRover surveys as in normal RTK survey but getting data as if coming from the VRSVRS
21 VRS - How does it work? Network Processes Integrity monitoring Geometric correctionCorrection for tropospheric errorsCorrection for ionospheric errorsAmbiguity resolutionConsistency checkDelivery of VRS corrections to your mobile location.
22 Network Multiple Base Station Solution Let B1, B2 B3 be base stations, R be the roverB1B2RB3Four RTK engines run simultaneously:(1,2)(2,3)(3,1)(1,R)+(2,R)+(3,R)
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