DGPS Integrated Receivers

SBA-1

The CSI Wireless SBA-1 is a compact, combination beacon receiver and antenna in a single enclosure. It is used to receive free DGPS signals broadcast by the networks of Medium Frequency radiobeacons deployed worldwide. It augments a separate GPS receiver with accuracy-improving correction data, resulting in a positioning accuracy of one to five meters 95 per cent of the time, depending on the GPS receiver architecture and sophistication. Similar to the ABX-3 and MBX-3S beacon receiver, the SBA-1 features automatic hands-free operation.

The SBA-1 contains both the CSI Wireless SBX beacon module and an innovative electric field beacon antenna in a single enclosure, often referred to as a smart antenna. Featuring advanced digital signal processing techniques, the SBA-1 delivers reliable demodulation of DGPS data from the beacon broadcasts, even in noisy environments. The SBA-1 outputs the resulting data in the industry standard RTCM SC-104 format accepted by differential-ready GPS receivers. To configure and monitor receiver status, the SBA-1 also supports the NMEA 0183 protocol.

Operation of the SBA-1 requires only power input (between 9 and16 VDC) and serial interface to an separate GPS product (RS-232 or RS-422 interface level).

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