Novatel OM-20000077 user manual FlexPak-SSII, Introduction Chapter

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Introduction

Chapter 1

 

 

 

Operating temperature range of -30°C to +75°C

1PPS output aligned on GPS Time + 200 ns

1Hz measurement output aligned on GPS Time

Support for 62 predefined datums

Field-upgradeable firmware (stored in Flash memory) through the TTL serial port

Code and Carrier Phase tracking of L1 GPS frequency for increased accuracy

Retention of satellite almanac and ephemeris data in non-volatile memory for rapid time-to-first- fix (TTFF) after power interruption

Very fast signal re-acquisition when signal masking (obstruction or vehicle attitude) occurs

Allows for warm start

1 Hz Position, Velocity and Time (PVT) output

Available Model Features1:

1 or 10 Hz carrier phase measurements (Message ID# 23, Measurement Block Data only works with these models)

Precise timing

5 Hz PVT output

RTCM DGPS Base

1.2FlexPak-SSII

The FlexPak-SSII, see Figure 2, is a hardware interface between your equipment and the SUPERSTAR II GPS card. The Development Kit is an equipment set permitting easy evaluation of the receiver and includes the SUPERSTAR II GPS card in a FlexPak-SSII enclosure. It provides single-frequency positioning with two COM ports. A full description of this Development Kit and technical specifications of the FlexPak-SSII are provided in Appendix B, FlexPak-SSII Specifications, starting on Page 49.

Figure 2: FlexPak-SSII Enclosure

The FlexPak-SSII offers the following features:

A shock and dust resistant enclosure

Waterproof to IEC 60529 standards IPX4 and IPX7

1.Refer to Appendix A of the L1 GPS Firmware Reference Manual for models and their capabilities.

SUPERSTAR II User Manual Rev 3

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Contents Superstar Proprietary Notice Table of Contents Appendices Tables Figures Software License Software License Contact Information Firmware UpdatesElectrostatic Discharge CE Notice Warranty Policy Congratulations Scope Related PublicationsRelated Publications Superstar II GPS Card IntroductionIntroduction Chapter FlexPak-SSIIChapter Introduction Radio Frequency RF Section Receiver SpecificationsPhysical Characteristics System ArchitectureGPS Antenna Enclosure and Wiring HarnessPrincipal Power Supply Optional LNA Power SupplyTypical System Configuration Reference Description InstallationSerial Connection Chapter InstallationElectrostatic Discharge Equipment InterconnectionAntenna Location Installation ConsiderationsPower Connection Installation ChapterBase Station and Rover Units Separation Connectors and Connector Pins Assignment1 J1 Interface and Power Connector Data LinkSerial Data Interface RF Connector J2RF Input Preamplifier Power Pass-Through Antenna SupplyProtocol Selection and Non Volatile Memory Memory Back-UpDiscretes IP2 and IP3 functions Use of DiscretesDefault Configuration Non Volatile MemoryNon-Volatile Memory Data Description Reference Installation OverviewOperation Typical Operational Configuration Reference DescriptionOperation Chapter Serial Port Default SettingsCommunications with the Receiver Getting StartedChapter Operation Power-Up InformationBoot Information Operational InformationConfigurable Parameters Data RequestsReceiver States Self-Test Mode Built-In Status Tests Dead-Reckoning ModeDatum Support Message Formats RTCM-Format MessagesRTCM1 Differential GPS Corrections Fixed RTCM2 Delta Differential GPS Corrections Fixed RTCM9 Partial Satellite Set Differential CorrectionsChapter Message Formats Message Formats Chapter Nmea Format Data MessagesGPS System Errors Positioning Modes of OperationSingle-Point or Autonomous Positioning Modes of Operation Chapter Satellite-Based Augmentation System SbasSbas Receiver Sbas MessagesChapter Positioning Modes of Operation Positioning Modes of Operation Chapter Cable Lengths Vs. Gain TroubleshootingTroubleshooting Chapter Technical Specifications Appendix aSuperstar II Family Performance Output Messages Technical Specifications Appendix aMechanical Drawing Appendix a Technical SpecificationsJ1 Interfaces and Power Connector Pin Assignment Connector Pin AssignmentO Signals Voltage Limits 3 I/O Electrical CharacteristicsAppendix B FlexPak-SSII SpecificationsPort Pin-Outs Status IndicatorsAppendix B FlexPak-SSII Specifications FlexPak Status IndicatorsFlexPak-SSII Specifications Appendix B Automobile Power Adapter Cable NovAtel part numberCables FlexPak 13-Pin Serial Cable 3.2 13-Pin Deutsch to DB9 Serial Cable NovAtel part numberDescription Setup and OperationNormal Setup Development KitDifferential GPS Setup Dgps Setup with the FlexPak-SSIIStarView Software Installation Cable Selection Antenna SpecificationsCoaxial Cable Specifications Appendix CTypical Current Consumption Versus Antenna Gain Antenna Specifications Appendix CGeodetic Active Antenna Antenna Gain Depending on Cable Length RequiredRecommended Geodetic Active Antennas Appendix C Antenna SpecificationsActive Antenna Passive AntennaGPS Antenna 201-990146-716 MCX, +12 dB Passive Antenna Specifications Patch ElementGPS Antenna 201-990147-606 +26 dB Antenna Specifications Appendix C Standards/References Appendix DRe-Acquisition Appendix ETtff and Satellite Acquisition Time-To-First-Fix TtffSystem Requirements Utility InstallationAppendix F Updating Receiver FirmwareStarting Software and Options Update Registration Key AcceptedUpdating Receiver Firmware Appendix F Appendix F Updating Receiver Firmware Programming SuccessSpace Segment Appendix GGPS Overview GPS System DesignAppendix G GPS Overview Height RelationshipsControl Segment User SegmentGPS Overview Appendix G GPS PositioningAccuracy versus Precision1 Single-Point vs. Relative PositioningMultipath Static vs. Kinematic PositioningReal-time vs. Post-mission Data Processing Consequences of Multipath Reception Why Does Multipath Occur?Antenna Site Selection Hardware Solutions For Multipath ReductionAntenna Designs GPS Signal Multipath vs. Increased Antenna HeightGPS Overview Appendix G Glossary of Terms Appendix HGlossary of Terms Appendix H Appendix H Glossary of Terms Glossary of Terms Appendix H Acronyms AppendixAcronyms Appendix Appendix Acronyms Index Index GEO, SbasIndex Index OM-20000077 Rev 2004/03/11