Novatel OM-20000077 user manual Passive Antenna Specifications Patch Element

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Antenna Specifications

 

 

Appendix C

Table 16: Passive Antenna Specifications (Patch Element)

 

 

 

 

 

 

Frequency

1575 MHz ±2 MHz

 

 

 

 

 

 

 

Polarization

Right Hand Circular

 

 

 

 

 

 

 

 

 

4.0 dBic

90 degrees

 

 

 

 

-1.0 dBic

15 < θ < 90

 

 

Radiation Coverage a

-2.5 dBic

10 < θ < 15

 

 

 

-4.5 dBic

5 < θ < 10

 

 

 

-7.5 dBic

0 < θ < 5

 

 

 

 

 

 

Connector

TNC Female (most common although

 

 

 

other connectors are also available)

 

 

 

 

 

 

 

 

 

 

Temperature

-55°C to +85°C

 

 

 

 

 

 

 

Environmental

DO-160C Standard

 

 

 

 

 

 

 

 

a.Elevation angle in degrees = θ

Lower cost antennas for higher volume applications or for more cost sensitive applications are available. L1 GPS receivers are manufactured by implementing a 20 dB LNA on board. For this reason, in many cost sensitive applications it may be necessary to select a passive antenna in conjunction with a low loss coaxial cable.

Figure 12: GPS Antenna 201-990146-716 (MCX, +12 dB)

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 Related Publications Congratulations ScopeRelated 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 DiscretesNon-Volatile Memory Data Default ConfigurationNon Volatile Memory 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 InformationReceiver States Configurable ParametersData Requests Self-Test Mode Built-In Status Tests Dead-Reckoning ModeDatum Support RTCM1 Differential GPS Corrections Fixed Message FormatsRTCM-Format Messages Chapter Message Formats RTCM2 Delta Differential GPS Corrections FixedRTCM9 Partial Satellite Set Differential Corrections Message Formats Chapter Nmea Format Data MessagesSingle-Point or Autonomous GPS System ErrorsPositioning Modes of Operation Positioning Modes of Operation Chapter Satellite-Based Augmentation System SbasChapter Positioning Modes of Operation Sbas ReceiverSbas Messages Positioning Modes of Operation Chapter Cable Lengths Vs. Gain TroubleshootingTroubleshooting Chapter Superstar II Family Performance Technical SpecificationsAppendix a 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 IndicatorsCables FlexPak-SSII Specifications Appendix BAutomobile Power Adapter Cable NovAtel part number 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 Specifications Coaxial 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 FirmwareUpdating Receiver Firmware Appendix F Starting Software and Options UpdateRegistration Key Accepted 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 PositioningReal-time vs. Post-mission Data Processing MultipathStatic vs. Kinematic Positioning 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