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Base Station

Base Station - Getting Started
Base Station User Guide

The Racelogic DGNSS base station is designed to improve positional accuracy of VBOXes and other compatible GPS/ GLONASS systems by calculating and transmitting differential correction data. The base station contains a highly accurate survey grade GPS receiver that is connected to a fixed antenna. When the exact position of the antenna is programmed into, or averaged by the base station, it is able to calculate errors between the real-time GPS position and the fixed point position. The error data is then used to broadcast a differential correction message in RTCM, CMR or proprietary RTK formats using an internal or mast mounted radio modem transmitter. Roving VBOXes and other compatible systems equipped with a receiving radio telemetry module can then use the local differential correction to provide greatly improved positional accuracies. Depending on the type of base station and roving unit used, position accuracies of up to 2cm 95%CEP are available. The 95% CEP value refers to the Circular Error Probable. For example, in the case of the RTK enabled base station in conjunction with an RTK enabled VBOX III or VBOX3i, the GPS position calculated will be within a 2cm radius of the true position 95% of the time.

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Last modified
13:08, 15 Nov 2016

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