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4 SUPERSTAR II User Manual Rev 3
Table of Contents
4.4.1 Mask Angle........................................................................................................................... 31
4.4.2 GPS Antenna Position.......................................................................................................... 31
4.5 Receiver States ............................................................................................................................. 31
4.5.1 Non-Operational State.......................................................................................................... 31
4.5.2 Operational States................................................................................................................ 31
4.6 Built-In Status Tests....................................................................................................................... 33
4.7 DATUM Support ............................................................................................................................ 34
5 Message Formats 35
5.1 RTCM-Format Messages .............................................................................................................. 35
5.1.1 RTCM1 Differential GPS Corrections (Fixed)....................................................................... 35
5.1.2 RTCM2 Delta Differential GPS Corrections (Fixed) ............................................................. 36
5.1.3 RTCM9 Partial Satellite Set Differential Corrections ............................................................ 36
5.2 NMEA Format Data Messages ...................................................................................................... 37
6 Positioning Modes of Operation 38
6.1 Single-Point or Autonomous .......................................................................................................... 38
6.1.1 GPS System Errors.............................................................................................................. 38
6.2 Satellite-Based Augmentation System (SBAS) ............................................................................. 39
6.2.1 SBAS Receiver..................................................................................................................... 40
6.2.2 SBAS Messages .................................................................................................................. 40
7 Troubleshooting 42
APPENDICES
A Technical Specifications 44
B FlexPak-SSII Specifications 49
C Antenna Specifications 56
D Standards/References 62
E TTFF and Satellite Acquisition 63
F Updating Receiver Firmware 64
G GPS Overview 67
H Glossary of Terms 76
I Acronyms 80