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Training and Presentation

Training and Presentation

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Training and Presentation

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  1. Training and Presentation Field Training

  2. Contents • Brief overview of GNSS • Overview of the Terralite constellation • Terralite constellation Hardware • Firmware Versions • Software Overview • Trouble shooting

  3. Brief overview of GNSS • Overview of GPS • Ranges • Timing • Timing Errors • Geometry • Atmospheric Conditions • RTK • Satellite constellations

  4. Overview of GPS • Global Positioning System (GPS) • Trimble Tutorial on GPS (http://www.trimble.com/gps/howgps.shtml) • A minimum of 4 satellites are required to provide a unique solution

  5. Ranges • We do know the Velocity of the Satellites signals • To get the time travelled we need to synchronize the clock in our receiver on the ground with the clocks in the Satellites. • Thus satellite positioning is based on clocks!

  6. Timing • To get perfect synchronisation we can use an additional satellite signal. • Thus we need a minimum of five satellites for the initial position solution.

  7. Timing Errors • Despite having perfect synchronisation there are still some errors that affect the accuracy.

  8. Geometry Poor Geometry Good Geometry

  9. Atmospheric Conditions • Relatively close locations have similar atmospheric conditions

  10. RTK • Corrections for the Satellite are sent to the GNSS Receivers

  11. Satellite constellations • GPS - US system • Glonass - Russian system • Galileo - European Union system • Compass - Chinese system • QZSS - Japanese system

  12. Terralite constellation Overview

  13. Terralite constellation

  14. Augmentation • The Matrix above shows the minimum number of signals required for a solution Manual 602-0077-02-A Page 41

  15. Terralite constellation designs • There are three Constellation designs • Basic • Standard • Network Manual 602-0077-02-A Page 10

  16. Basic Constellation Manual 602-0077-02-A Page 61

  17. Standard Constellation Manual 602-0077-02-A Page 63

  18. Network Constellation Manual 602-0077-02-A Page 65

  19. Hardware

  20. IX100G • Reference Station/Integrity Monitor (Base Station) • Provides a corrections to enable High Precision positions Manual 602-0077-02-A Page 25

  21. TX100 • XPS transmitter • Provides XPS signals which are used by the Reference station and the Receivers for High Precision positioning. Manual 602-0077-02-A Page 23

  22. MX100G • GNSS + XPS enabled receivers • Provides High Precision positions for machine control Manual 602-0266-01-A Page 20

  23. AX100G • Antenna capable of receiving GNSS and XPS Signals Manual 602-0266-01-A Page 22

  24. Connectors • RED – XPS • Orange – Power • Yellow – GPS • DO NOT CROSS CABLES • Red to Red • Orange to Orange • Yellow to Yellow

  25. Front Panel (MX & IX) • RX - indicates the radio modem is receiving data over its radio link. • TX - indicates that the internal computer is transmitting to the radio modem. • NSV - blinks indicating the total number of satellites and Terralites tracked. • FIX - The Base station will never be in FIX • ATT - is not used on the IX100 Receiver. • BOK - indicates the currently received IX100 Reference Station/Integrity Monitor state of health • PPS - indicates when PPS signal is valid • PWR - indicates that the power is on

  26. Firmware Versions

  27. Firmware 3.1 • Capabilities • Baseline software runs on new hardware: MX100G, IX100G • GLONASS (with Reference) • Supports up to 8 Terralites

  28. Firmware 3.2 • Capabilities • Baseline software runs on new hardware: MX100G, IX100G • GLONASS (with Reference) • Supports up to 8 Terralites • Split Reference • Multi Pit XPS

  29. Software Overview

  30. Home Screen – MX100G

  31. Home Screen – IX100G Manual 602-0077-02-A Page 83

  32. Home Screen – TX100 Manual 602-0077-02-A Page 123

  33. Diagnostics Menu • MX100G, IX100G and TX100 • Signal View • Boot Log • Event Log • Sensor Log • CPU Uptime • RTK Uptime • MX100G and IX100G • Terralite Survey Status • IX100G • RTK Subscriber List

  34. Signal View – Position (MX100G) • The Signal View screen provides more in depth information on the health of the unit. • The PositionCoordinatesportion shows: • Latitude of the unit in decimal degrees. • Longitude of the unit in decimal degrees. • Height of the unit - Ellipsoidal Height • Positioning Mode – Hybrid fine, Hybrid course, GPS fixed, GPS float, Autonomous • RTK Age (Sec) -The amount of time in Seconds since the last Correction was received • PDOP – the geometry of the of the signal sources.

  35. Signal View – Terralites (MX100G) • SLT is the slot number observed. Each Terralite has a unique slot number. • XPS SS is the signal strength of the XPS signal, a value of more than 102 is required. • XPS AG is the Auto Gain, a value of more than 100 is required. • REF SS/AG is the signal strength and Auto Gain being observed by the reference station. • The Sky plot shows you the position of Terralites (Green) and satellites (Blue) with respect to the unit you are logged onto. • Bold numbers in the SLT column are used in the position solution.

  36. Signal View – Satellites (MX100G) • L1 Greater than 10 • L2 Greater than 5 • Bold Numbers are • Signals being used

  37. Signal View – Receiver Status (MX100G, IX100G) • MXG’s and IXG’s operate at 10-14 vdc but can accept inputs of 10 – 34 vdc • RCORate ± 3.0 • Operating Temperature -20º C to +60º C

  38. Signal View – Position (TX100) • The Signal View screen provides more in depth information on the health of the unit. • The Position Coordinates portion shows: • Latitude of the unit in decimal degrees. • Longitude of the unit in decimal degrees. • Height of the unit - Ellipsoidal Height • Positioning Mode – GPS fixed, GPS float, Autonomous • RTK Age (Sec) -The amount of time in Seconds since the last Correction was received • PDOP – the geometry of the of the signal sources.

  39. Signal View – Terralites (TX100) • Terralites do not track Terralites • SS values should be greater than 102 • AG values should be greater than 100 Manual 602-0077-02-A Page 126

  40. Signal View – Satellites (TX100) L1 Greater than 10 L2 Greater than 5 Bold Numbers are Signals being used Manual 602-0077-02-A Page 128

  41. Signal View – Receiver Status (TX100) • TX100 operate at 10-34 vdc but can accept inputs of 10 – 34 vdc • RCORate of 299.7 ± 3 are good

  42. Signal View – Position (IX100) • The Signal View screen provides more in depth information on the health of the unit. • The Position Coordinates portion shows: • Latitude of the unit in decimal degrees. • Longitude of the unit in decimal degrees. • Height of the unit - Ellipsoidal Height • Positioning Mode –will always be Autonomous • PDOP – the geometry of the of the signal sources. Manual 602-0077-02-A Page 85

  43. Signal View – Terralites (IX100) • Terralites do not track Terralites • SS values should be greater than 102 • AG values should be greater than 100 Manual 602-0077-02-A Page 85

  44. Signal View – Satellites (IX100) L1 Greater than 10 L2 Greater than 5 Bold Numbers are Signals being used Manual 602-0077-02-A Page 87

  45. Signal View – Receiver Status (IX100G) • The RCORate should be within ± 3.0 Manual 602-0077-02-A Page 87

  46. Boot Log • Shows status of current boot. • Six stages in the boot sequence • Should show UP AND RUNNING • If any of the stages failure contact your Trimble representative. Manual 602-0077-02-A Page 89, 128

  47. Event Log Manual 602-0077-02-A Page 90, 130

  48. CPU Uptime • CPU Uptime shows the amount of time the unit has been operational. Manual 602-0077-02-A Page 92, 132

  49. RTK Uptime • RTK Uptime shows how long RTK has been working • It also shows the modes and percentages for this session. Manual 602-0077-02-A Page 93, 134

  50. Sensor Log • The Temperature and Voltage • Are recorded in a single file. • Logs are written daily and different months can be selected by using the drop down menu Manual 602-0077-02-A Page 91, 131