Spatial Reference Manual
Page 1 of 158
Version 4.4
04/06/2019
Table of Contents
1 Revision History........................................................................................................ 8
2 Firmware Changelog............................................................................................... 13
3 Hardware Changelog.............................................................................................. 17
4 Introduction............................................................................................................ 18
5 Foundation Knowledge........................................................................................... 19
5.1 GNSS............................................................................................................... 19
5.2 INS................................................................................................................... 19
5.3 GNSS/INS......................................................................................................... 19
5.4 AHRS............................................................................................................... 19
5.5 The Sensor Co-ordinate Frame........................................................................19
5.6 Roll, Pitch and Heading....................................................................................20
5.6.1 Second Right Hand Rule...........................................................................20
5.6.2 Rotation Order.......................................................................................... 21
5.7 Geodetic Co-ordinate System..........................................................................21
5.8 NED Co-ordinate Frame...................................................................................23
5.9 ECEF Co-ordinate Frame..................................................................................24
6.1 Evaluation Kit Contents...................................................................................25
6.2 Quick Start....................................................................................................... 25
6.3 Troubleshooting...............................................................................................26
8.1 Mechanical Drawings.......................................................................................29
8.2 Navigation Specifications................................................................................30
8.3 Sensor Specifications.......................................................................................31
8.4 GNSS Specifications.........................................................................................32
8.5 Communication Specifications.........................................................................32
8.6 Hardware Specifications..................................................................................33
8.7 Electrical Specifications...................................................................................34
8.8 Power Consumption.........................................................................................35
8.9 Connector Pin-out............................................................................................35
8.10 Evaluation Kit USB Cable...............................................................................36
8.11 Optional Breakout Cable................................................................................37
8.12 Sensor Calibration.........................................................................................38
8.13 Serial Number................................................................................................ 38
9.3 Mounting Plate................................................................................................. 41
9.4 Power Supply................................................................................................... 41
9.5 GNSS Antenna................................................................................................. 42
9.6 Odometer........................................................................................................ 43