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Veripos ld7 Operation Manual

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LD7
Operations Manual
Veripos
Date: 26.01.2017

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Summary of Contents for Veripos ld7

  • Page 1 Operations Manual Veripos Date: 26.01.2017...
  • Page 2 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 REVISION DATE DESCRIPTION ORIGINATOR CHECKED APPROVED 26.01.2017 Default settings updated Updated Disclaimer & WEEE sections. 01.08.2016 Data logging information removed 13.11.2015 Antenna offset information updated 19.02.2015 Default settings amendment 23.06.2014 GNSS and L-Band on Ethernet Port 18.03.2014...

  • Page 3: Table Of Contents

    VERIPOS LD7 ............................5 LD7 INTEGRATED MOBILE UNIT ......................6 WHAT THIS DOCUMENT COVERS .....................6 EQUIPMENT SUPPLIED WITH LD7 ....................7 VERIPOS HELPDESK REQUESTS FOR SERVICE ENABLE / DISABLE ..........7 ENABLING THE LD7 FOR USE ......................8 DISCLAIMER ............................9 WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT ..............10 OVERVIEW AND DESCRIPTION OF THE LD7 ..................
  • Page 4 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX IV................................. 41 QUALITY STANDARDS ..........................41 APPENDIX V................................45 NMEA SENTENCES ............................ 45 APPENDIX VI................................. 55 GLOBAL COVERAGE CHART........................55 APPENDIX VII................................ 57 HEADING ANTENNA GUIDE ........................57 APPENDIX VIII ...............................

  • Page 5: Introduction

    At Veripos it is our mission is to be a market leader in the supply of precise navigation and positioning services and solutions, through innovative application of technology, continuous product development and operational excellence, whilst creating maximum value for both our customers and stakeholders.

  • Page 6: Ld7 Integrated Mobile Unit

    AB-V-MA-00555 LD7 INTEGRATED MOBILE UNIT The Veripos LD7 is a small, lightweight and economical unit which may be configured as an Integrated Mobile Unit, complete with internal dual L1/L2 GPS and GLONASS receiver. For maximum flexibility, the design includes dual frequency Heading capability and all tiers of Veripos positioning accuracy.

  • Page 7: Equipment Supplied With Ld7

    Throughout this manual reference will be made to the Veripos Helpdesk. The Helpdesk is a service provided by Veripos as first point of contact for all technical enquiries and fault reports. It is manned 24 hours per day, 365 days per year.

  • Page 8: Enabling The Ld7 For Use

    The procedure is detailed in this manual in the Configuration section. N.B. The Helpdesk cannot issue a code unless an active SAL exists. To avoid delay the user should keep a record of the SAL number associated with the LD7 unit and User Code. Rev No:...

  • Page 9: Disclaimer

    (including legal costs), expenses and liabilities of any kind and nature, invoked against Veripos by any third party, for or arising out of, any alleged infringement of any patent or proprietary or protected right arising out of or in...

  • Page 10: Waste Electrical And Electronic Equipment

    RoHS (Restriction of Hazardous Substances) complements the WEEE directive by banning the presence of specific hazardous substances in the products at the design phase. The WEEE directive covers all VERIPOS products imported into the EU as of August 13 2005. EU-based manufacturers, distributors, retailers and importers are obliged to finance the costs of recovery from municipal collection points, reuse, and recycling of specified percentages per the requirements contained in the WEEE Directive.

  • Page 11: Overview And Description Of The Ld7

    AB-V-MA-00555 OVERVIEW AND DESCRIPTION OF THE LD7 The LD7 supplied by Veripos offers benefits to the user in terms of economy, small size, ease of operation and low power dissipation. Power input to the unit is on a 4 pin LEMO connector with 12V VDC.

  • Page 12: Front Panel

    FRONT PANEL 2.1.1 LED’s Shows the enabled/disabled status of the unit. The LED will be solid Green if the unit is enabled for Veripos services and flashing green if disabled. Shows signal strength of the selected Veripos beam in three states: Red –...

  • Page 13: Ld7 Connections

    The combined GNSS and L-Band antenna is connected to the MAIN ANT GNSS Antenna connection. Where the LD7 is used to derive a heading output, a second GNSS antenna is connected to the Auxiliary Antenna (AUX ANT) connection of the LD7.
  • Page 14 Corrections. This can be used when masking may cause a problem or when working at high latitudes where the satellites are low on the horizon. To utilize a 3 three antenna combination a conversion kit can be fitted to the LD7 unit. This can be installed by a Veripos technician.

  • Page 15: Data Cables And Output

    Configuration via Ethernet only using PC & browser 2.2.2.1 Data output Data cables are LEMO style and are specific to each port labelled on the LD7 rear panel. The LD7 ports output messages. Should you require other message output, configurations, etc. contact Veripos for assistance.

  • Page 16: Ld7 Logic Flow Diagram

    From L-Band card (Serial 1) calculation of a corrected position to AsteRx2eH (COM1) LD7 LOGIC FLOW DIAGRAM The diagram shows the data connection port mapping relating to the GNSS and L-Band cards to the external COM ports of the LD7 Rev No: Page 16...

  • Page 17: Configuration

    Use the LD7’s browser interface to carry out all essential functions when working with the LD7. Veripos recommend the Chrome browser on a PC to configure the LD7. This is the only browser supported (Chrome version 30.0.1559.101 or above). The default fixed IP address of the LD7 is 192.168.0.126.
  • Page 18 Select Tab then OK. Chrome browser Connect the LD7 RJ45 connector either via an Ethernet hub or directly to the PC. (NOTE: some PC’s require a hub to be used.) On the PC open Chrome browser and enter the LD7 IP address (default 192.168.0.126) and enter the unique LD7 User code (on front of LD7 unit).

  • Page 19: L-Band

    AB-V-MA-00555 LD7 Main browser page – default / recommended settings shown To set up the LD7 for use, follow the sequence of browser tab screens listed below. L-BAND To access the LD7 L-Band configuration page, click on L-BAND at the top of the main...

  • Page 20: Beam Selection

    North Sea, Mediterranean Sea, Africa The above information may change from time to time. Visit VOSS (http://help.Veripos.com) for the latest listing. Verichart a Veripos software application can be used to create global and region coverage charts and is available from the same location.

  • Page 21: Enable/ Disable

    Ref.: AB-V-MA-00555 3.2.2 Enable/ Disable The L-Band page is also used to view the status of using Veripos corrections (enabled or disabled for corrections). To enable, disable or change the active service on the LD7, contact the Veripos Helpdesk quoting the Vessel SAL (Service Access Licence) number and unit code.

  • Page 22: Veripos Ultra And Apex Services

    Veripos supply the “Verichart” utility program to assist the user in selecting stations. It is supplied with all LD7 units and is also available (with database updates) as a download from the Veripos Online Support Site (VOSS). URL is in the Contacts List in the Appendix.

  • Page 23: Io (Inputs / Outputs)

    38400 is recommended. The recommended GNSS output baud is 115200. 3.3.2 Ethernet The Ethernet port can be used to configure the LD7 via web browser and output data streams from the GNSS and L-Band receivers. The IO page allows changes to the IP address of the LD7 processor, GNSS and L-Band receivers.
  • Page 24 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 The ports for the data streams available on the LD7 Ethernet are: Data stream Port RTCMa 9001 RTCMb 9002 L-Band Config 9003 NMEAa 9011 NMEAb 9012 Raw GNSS 9013 Rev No: Page 24...

  • Page 25: Gnss

    NMEAb) from the LD7. This should match the requirements of the receiving system. In the example above, NMEAa is set to GGA and is output on LD7 Com1, NMEAb is set to output HDT and is output on LD7 Com2.

  • Page 26: Positioning Mode

    GNSS card. Note that RTK is unlikely to be available at present. 3.4.3 PPP mode The LD7 can only compute an Apex or Ultra at any time. This setting sets the PPP computation that will be used. Select from the drop – down which of the two Precise Point Positioning services is required to be used by the LD7.

  • Page 27: Ppp Dqi

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 3.4.6 PPP DQI This setting changes the Differential Quality Indicator (DQI) reported in the GGA message. It can be set to 2 or 5. If it is set to 2 the DQI will report 2 for all corrected solutions (PPP and DGNSS).

  • Page 28: System Operation

    Ref.: AB-V-MA-00555 SYSTEM OPERATION The LD7 is designed to function with minimal user intervention during operations. The unit performance can be monitored by referring to the GNSS RXTools software described in the Appendix of this manual. There are no user-adjustable controls or serviceable items within the receiver.

  • Page 29: Troubleshooting

    The equipment is designed and manufactured to exacting standards. Once installed and operating it should provide prolonged trouble-free service. Veripos encourage all users to promptly report problems or queries to the Veripos Helpdesk. The Helpdesk is manned 24 hours per day, 365 days per year. Contact details are given in the Appendix.

  • Page 30: Power Faults

    (Access code shows the Helpdesk. unchanged). No L-BAND Sync Ensure a suitable L-BAND beam is selected for your worksite and confirm that the LD7 has locked on and has a good signal strength. L – BAND SIGNAL FAULTS Fault Reason Remedy...

  • Page 31: Heading Faults

    HEADING FAULTS Fault Reason Remedy No GNSS heading Incorrect serial port Check serial port configuration in the LD7 solution output configuration Web page. Ensure that HDT format is selected in either NMEAa or NMEAb. Ensure that the NMEA stream which has HDT enabled is selected on the relevant serial port.

  • Page 32: Contact Information

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX I. CONTACT INFORMATION Rev No: Page 32...
  • Page 33 Veripos Online Support Site (VOSS): http://help.veripos.com If shipping equipment back to Veripos, please contact the Helpdesk who will provide the current shipping address, according to your area of operations. UK Veripos office address: Veripos House, 1B Farburn Terrace, Dyce, Aberdeen.

  • Page 34: Abbreviations

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX II. ABBREVIATIONS Rev No: Page 34...
  • Page 35 SDRAM Synchronous Dynamic Random Access Memory Signal Notification Form Signal to Noise Spotbeam High Power L-Band Signal Standard Veripos Single frequency DGPS system Space Vehicle Ultra Veripos High accuracy positioning systems Universal Serial Bus Coordinated Universal Time VDOP Vertical Dilution of Precision...

  • Page 36: Veripos Reference Stations

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX III. VERIPOS REFERENCE STATIONS Rev No: Page 36...

  • Page 37: Ld7 Operations Manual Ab-V-Ma

    LD7 Operations Manual Ref.: AB-V-MA-00555 Veripos reference stations. The latest Veripos Station listing can be found on the Veripos Online Support System via the following link: http://help.veripos.com/ics/support/default.asp?deptID=4494&task=knowledge&questionID=3 A list of available reference stations (up-to-date 23 June 2014) is listed below:...
  • Page 38 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 Beam Name Type Service Type Comments Standard Standard NWECS Stations Wick AORE Netherlands AORE Bodo AORE Kristiansund GPS,GLO AORE Tananger AORE Falmouth GPS,GLO AORE Bologna AORE Cyprus AORE Marbella AORE Vardo AORE Ny Alesund...
  • Page 39 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 Beam Name Type Service Type Comments Standard Standard Caspian & Middle East Stations Baku GPS,GLO Aktau Bahrain Dubai GPS,GLO Mumbai GPS,GLO 143.5E Kolkata 143.5E Chennai GPS,GLO 143.5E Far East Stations Singapore GPS,GLO 143.5E Labuan 143.5E...
  • Page 40 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 ID’s VERPOS Ultra, APEX and APEX Note: Ultra available only when using LD7 with Verify QC. Please specify your requirement when contacting the Helpdesk to enable the LD7. Rev No: Page 40...

  • Page 41: Quality Standards

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX IV. QUALITY STANDARDS Rev No: Page 41...
  • Page 42 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 QUALITY STANDARDS A number of standards offer marine satellite navigation system users DGNSS (DGPS/DGPS+DGLONASS) quality information. The most well-known and frequently referred to standards are: 1. UKOOA 2. NMEA-0183 Each standard is explained in more detail in the following sections.
  • Page 43 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 “It is essential to assess the precision and reliability of each position in order to ensure the quality of the DGPS measurements. Thus is recommends that the following processing steps be implemented: - ...
  • Page 44 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA-0183 STANDARD The National Marine Electronics Association (NMEA) has developed a specification defining the interface between various pieces of marine electronic equipment. The standard permits marine electronics to send information to computers and to other marine equipment via a serial interface. A full copy of this standard is available for purchase at their web site (www.nmea.org).

  • Page 45: Nmea Sentences

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX V. NMEA SENTENCES Rev No: Page 45...
  • Page 46 NOTE: The number of decimal places in the Latitude and Longitude values is configurable via the LD7 Web Interface in the GNSS page under NMEA Precision. Between 5 and 8 decimal places are selectable.
  • Page 47 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA GST Sentence The NMEA GST sentence provides error statistics of the position fix. These statistics follow from the position calculation process. Structure and Example: $GPGST,hhmmss.ss,a.a,b.b,c.c,d.d,e.e,f.f,g.g*hh<CR><LF> $GPGST,024603.00,3.2,6.6,4.7,47.3,5.8,5.6,22.0*58 GST sentence defined: GST = GNSS Pseudo-range Error Statistics hhmmss.ss...
  • Page 48 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA GSA Sentence GSA sentence defined: GNSS DOP and Active Satellites GNSS receiver operating mode, satellites used in the navigation solution reported by the GGA or GNS sentence, and DOP values. If only GPS, GLONASS, etc. is used for the reported position solution the talker ID is GP, GL, etc.
  • Page 49 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA GSV Sentence GSV sentence defined: GNSS Satellites In View Number of satellites (SV) in view, satellite ID numbers, elevation, azimuth, and SNR value. Four satellites maximum per transmission. Total number of sentences being transmitted and the number of the sentence being transmitted are indicated in the first two fields.
  • Page 50 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA HDT Sentence. The NMEA HDT sentence provides heading information derived from the receiver. Structure and example: $GPHDT,xxx.xx,T*hh<CR><LF> where: $GPHDT – is the message name stating it is a GPS heading (true) message xxx.xx –...
  • Page 51 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA VTG Sentence The NMEA VTG sentence provides the actual course and speed relative to the ground. Structure and Example: $GPVTG,p.p,T,q.q,M,r.r,N,s.s,K,u*hh<CR><LF> $GPVTG,054.7,T,034.4,M,005.5,N,010.2,K*33 VTG sentence defined: VTG = Course over ground and ground speed...
  • Page 52 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA GNS Sentence The NMEA GNS sentence contains time and position fix related data for a single or combined satellite navigation system. Separate $GPGNS and $GLGNS sentences are used to report data calculated from individual systems if a combined GPS+GLONASS position is output. A single string will be output if no GLONASS data is in use.
  • Page 53 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA GRS Sentence GNSS Range Residuals This sentence is used to support Receiver Autonomous Integrity Monitoring (RAIM). Range residuals can be computed in two ways for this process. The basic measurement integration cycle of most navigation filters generates a set of residuals and uses these to update the position state of the receiver.
  • Page 54 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 NMEA RMC Sentence NMEA has its own version of essential gps pvt (position, velocity, time) data. It is called RMC, The Recommended Minimum, which will look similar to: $GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A Where: Recommended Minimum sentence C...

  • Page 55: Global Coverage Chart

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX VI. GLOBAL COVERAGE CHART Rev No: Page 55...
  • Page 56 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 Veripos Inmarsat Global Coverage chart showing footprints of Geostationary Satellites broadcasting Veripos corrections. Updated charts, Verichart software and updates can be downloaded from the Knowledge Base on VOSS http://help.Veripos.com Rev No: Page 56...

  • Page 57: Heading Antenna Guide

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX VII. HEADING ANTENNA GUIDE Rev No: Page 57...
  • Page 58 Heading Calibration methods for Septentrio AsteRx2eH GNSS card This document has some recommended checks (using RxTools software) of the heading quality, in order to compute the GNSS Heading Vector. Contact Veripos if you require the RxTools software. Step 1 Connect RxTools to the receiver in order to check the AUX antenna Signal to Noise Ratio (SNR).
  • Page 59 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 Receiver Heading calibration methods Typical accuracy will be (With heading mode fixed):-  1m separation, expected heading accuracy to be better than 0.3 deg with RTK fixed quality  3m separation, expected heading accuracy to be better than 0.1 deg with RTK fixed quality ...

  • Page 60: Appendix Viii

    Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 APPENDIX VIII SERVICES NOTIFICATION FORM Rev No: Page 60...
  • Page 61 Note. Veripos NTRIP – additional documentation on the use of this service will be provided upon request. Upon receipt of a completed SNF, the Veripos Helpdesk will initiate the relevant enable or disable procedures and where appropriate, update the service over-the-air.
  • Page 62 Manual Title: LD7 Operations Manual Ref.: AB-V-MA-00555 SERVICES NOTIFICATION FORM Email to: helpdesk@Veripos.com Website: http://www.Veripos.com 24Hr Helpline: +44 (0)1224 965900 SIGNAL ACCESS LICENCE Number [see note 1, 3 & 4] Company / Project Name Vessel Name Vessel / Rig / Offshore Installation Details...

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