DGPS MAX

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Table of ContentsList of Figures .................................................................................................................................xiiList of Tables..................................................................................................................................xivPreface xviOrganization .......................................................................................................................xviiCustomer Service.............................................................................................................xviiiWorld Wide Web Site..................................................................................................... xixDocument Conventions ................................................................................................... xxNotes, Cautions, and Warnings...................................................................................... xx1. Introduction .......................................................................................................................11.1 GPS.................................................................................................................................11.1.1 How it Works...............................................................................................11.1.2 GPS Services..................................................................................................21.2 Differential GPS...........................................................................................................21.2.1 How it Works...............................................................................................21.2.2 Real-Time DGPS...........................................................................................31.3 DGPS Format...............................................................................................................31.4 Factors Affecting Positioning Accuracy.................................................................41.5 DGPS MAX DGPS Services .....................................................................................61.5.1 Wide Area Augmentation System (WAAS)..........................................61.5.2 OmniSTAR Worldwide DGPS Service................................................ 121.5.3 Radiobeacon DGPS................................................................................... 151.6 DGPS Service Comparison ................................................................................... 181.7 DGPS MAX Receiver Information ...................................................................... 19DGPS MAX Reference Manualvi
1.8 COAST Technology........................................................................................... 211.9 CDA-2MAX Antenna Information...................................................................... 212. Installation........................................................................................................................ 232.1 System Parts List...................................................................................................... 232.2 Receiver Layout and Connections ...................................................................... 232.3 Installing the DGPS MAX Receiver..................................................................... 242.3.1 Receiver Placement .................................................................................. 242.3.2 Environmental Considerations .............................................................. 252.3.3 Power Considerations............................................................................. 252.3.4 Turning the DGPS MAX On.................................................................. 262.3.5 Grounding the DGPS MAX.................................................................... 262.3.6 Connecting the DGPS MAX To External Devices........................... 272.4 Installing the CDA-2MAX Antenna .................................................................... 292.4.1 Antenna Placement To Optimize Beacon Reception ...................... 302.4.2 Antenna Installation – 1-14-UNS Threaded Mount......................... 302.4.3 Antenna Installation – Surface Mount.................................................. 312.4.4 Routing and Securing the Antenna Cable ........................................... 322.4.5 Connecting the CDA-2MAX Antenna ................................................ 332.5 Mounting Accessories............................................................................................. 332.5.1 Magnetic Mount......................................................................................... 332.5.2 Permanent Mount ..................................................................................... 342.5.3 Survey Adapter.......................................................................................... 343. DGPS MAX Overview.................................................................................................. 353.1 GPS Operation......................................................................................................... 353.1.1 Automatic Tracking .................................................................................. 353.1.2 Receiver Performance.............................................................................. 363.2 WAAS Operation.................................................................................................... 36viiDGPS MAX Reference Manual
Page 1: DGPS MAXReference ManualPart Number
Page 4 and 5: Copyright Notice© Copyright 2001 C
Page 6 and 7: CSI Wireless Inc. Limited WarrantyC
Page 10 and 11: 3.2.1 Automatic Tracking ..........
Page 12 and 13: 5.16.1 Changing the Source of DGPS
Page 14 and 15: List of FiguresFigure 1-1 Broadcast
Page 16 and 17: List of TablesTable 2-1 Power Requi
Page 18 and 19: PrefaceWelcome to the DGPS MAX Refe
Page 20 and 21: Appendix B: DGPS MAX Interface - pr
Page 22 and 23: Document ConventionsBold is used to
Page 25 and 26: 1. IntroductionThis chapter provide
Page 27 and 28: needs to be removed from each satel
Page 29 and 30: ! Any data loss that occurs through
Page 31 and 32: Augmentation Systems (SBAS). The DG
Page 33 and 34: Figure 1-1 Broadcast WAAS Inonspher
Page 35 and 36: Please note that signal coverage ma
Page 37 and 38: geographically strategic locations.
Page 39 and 40: Figure 1-5 Worldwide OmniSTAR Cover
Page 41 and 42: ! Engine noise! Alternator noise! N
Page 43 and 44: and for best results, a user should
Page 45 and 46: 1.8 COAST TechnologyThe DGPS MAX re
Page 47 and 48: 2. InstallationThis chapter contain
Page 49 and 50: When selecting a location to instal
Page 51 and 52: vehicle. Other grounds may provide
Page 53 and 54: MAINExternal Device5 GND GND3 RX NM
Page 55 and 56: the 1-14-UNS thread to a 5/8 th inc
Page 57 and 58: 2.4.5 Connecting the CDA-2MAX Anten
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3. DGPS MAX OverviewFor your conven
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tracking approach will result in mo
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3.4.1 Tune ModesThe DGPS MAX may be
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3.4.2 Receiver PerformanceThe Signa
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4. DGPS MAX ArchitectureThe DGPS MA
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5. OperationThis chapter introduces
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% & ^No GPS Fix GPS Position DGPS P
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Note - When using corrections from
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In Figures 5-9 to 5-15, the root me
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^ 12332133312432 $444444444444 44F?
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is pressed. If is pressed, the menu
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5.7.3 Beacon Mode Bar ChartWhen ope
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WAAS@When this menu is accessed usi
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Top Menu@ When accessed using the b
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Longitude information is parsed fro
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Precision@NavCnd@ ABBABBAccessing t
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=_b: 0.1m This menu item indicates
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Eph?Healthy??8NotUsed?Prev?9Above?E
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Pressing the and keys allows you to
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5.9.2 GPS Satellites MenuThis secti
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5.9.3 GPS Configure MenuThis menu p
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GPGGA@?5?HzGPGGA@?1?HzGPGLL@?OffGPG
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GPRMC@ 1 HzGPRRE@ OffGPVTG@ 5 HzGPZ
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Top?Menu@ When accessed using the b
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the Back@ or Top Menu@ item in focu
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Back@ When accessed using the butto
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signal blockages, if present. This
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PositionTimeSat?UpdateThis menu ite
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modulation rate using the and keys
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This menu provides access to the si
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(SS) and signal to noise ratio (SNR
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ID?0001??H?01This menu item display
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When using an external source, be s
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Pressing the and keys allows you to
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item returns the menu system to the
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Top?Menu@ When accessed using the b
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Back@ or Top Menu@ item in focus wi
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! Depending on which baud rate you
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! Using the or key, move the Config
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6. Configuration WizardThe Configur
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6.1 Start-up SequenceWhen you turn
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6.6 Saving a ConfigurationWhen comp
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Table 7-1 NMEA Message ElementsElem
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Table 7-3 GGA Data Message DefinedF
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GST message into its components. Th
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7.5.7 RRE Data MessageThe RRE messa
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DGPS MAX Reference Manual 131
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• Check antenna connections• Ve
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ItemSerial Interface Specifications
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MAINExternal Device5 GND GND3 RX NM
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! Connect Pin-5-Common Ground of th
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OmniSTAR Service ActivationYou may
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Over-Air Subscription ActivationOmn
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! Adjust the output of the Bin96 me
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Proximity, 4DGPS MAXRear Panel Inte
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Automatic Beacon Search (ABS),39, 4
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