Novatel EuroPak-15a User Manual
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Novatel EuroPak-15a User Manual

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EuroPak-15a/15aT
Receiver
USER MANUAL
OM-20000100
Rev 5

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  • Page 1 EuroPak-15a/15aT Receiver USER MANUAL OM-20000100 Rev 5...
  • Page 2 Associated Firmware Version: L1/E5a 5.101 or higher NovAtel® and Narrow Correlator® tracking technology are registered trademarks of NovAtel Inc. All other brand names are trademarks of their respective holders. © Copyright NovAtel Inc. (2006-2007). All rights reserved. Unpublished rights reserved under International copyright laws.

  • Page 3: Table Of Contents

    2.3.3 External Oscillator ........................ 27 2.3.4 Mounting Bracket ......................... 27 3 Operation 3.1 Pre-Start Check List........................28 3.2 Start-Up ............................28 3.3 Communicating with the EuroPak-15a ..................29 3.4 Getting Started..........................29 3.4.1 Starting the Receiver......................29 EuroPak-15a Receiver User Manual Rev 5...
  • Page 4 6.3.2 ALMANAC Decoded Almanac ................... 75 6.3.3 CLOCKMODEL Current Clock Model Status..............77 6.3.4 PSRPOS Pseudorange Position..................80 6.3.5 RANGE Satellite Range Information.................. 82 6.3.6 RAWEPHEM Raw Ephemeris ................... 86 6.3.7 RAWFRAME Raw Subframes ................... 87 EuroPak-15a Receiver User Manual Rev 5...
  • Page 5 6.3.13 TRACKSTAT Tracking Status ..................98 6.3.14 VERSION Version Information ..................100 7 Firmware Updates 7.1 Contacting the NovAtel Aviation Department ................102 7.2 Downloading the Files ......................... 103 7.3 Decompressing the Files ......................103 7.4 Running the Utility........................104 7.4.1 Open a File to Download....................
  • Page 6 Location of Receiver Error Word ....................108 Reading the Bits in the Receiver Error Word ................108 EuroPak-15a Power Cable......................115 EuroPak-15a Null Modem Cable....................116 EuroPak-15a Straight Through Serial Cable ................117 EuroPak-15a I/O Strobe Port Cable .................... 118 EuroPak-15a Receiver User Manual Rev 5...
  • Page 7 Tables Default Serial Port Configurations ....................26 Available Strobe Signals on the EuroPak-15a ................27 EuroPak-15a Status Indicators ....................27 Response Messages ........................33 Log Triggers for Each Log Type ....................34 ASCII Message Header Structure ....................36 Binary Message Header Structure ....................37 Field Types ...........................
  • Page 8 Tables Performance Specifications ......................110 EuroPak-15a Serial Port Pin-Out Descriptions ................114 EuroPak-15a I/O Port Pin-Out Descriptions ................114 10GALILEO6GPS Channel Configuration .................. 120 16GPSL1L5 Channel Configuration ................... 120 16GALILEOL1E5a Channel Configuration ................. 121 12GPS4GEOL1L5 Channel Configuration ................. 121 8GPS8GEO Channel Configuration ................... 122 16GPSL5 Channel Configuration ....................

  • Page 9: Notices

    WARNING: This is a Class B product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. "Hereby, NovAtel Inc. declares that this EuroPak-15a is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC."...
  • Page 10 Notices Electromagnetic Compatibility (EMC) The EuroPak-15a has passed the following EMC regulatory tests: Emissions Testing of the EUROPAK-15a • EN 55022 1998 (CISPR 22 (2006)) - Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement •...

  • Page 11: Software License

    License: NovAtel Inc. ("NovAtel") grants you a non-exclusive, non-transferable license (not a sale) to use one copy of the enclosed NovAtel software on a single computer, and only with the product it was supplied with. You agree not to use the software for any purpose other than the due exercise of the rights and licences hereby agreed to be granted to you.
  • Page 12 INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, EVEN IF NovAtel HAS KNOWLEDGE OF THE POTENTIAL LOSS OR DAMAGE. NovAtel will not be liable for any loss or damage caused by delay in furnishing the software or any other performance under this Agreement.

  • Page 13: Warranty Policy

    One (1) Year from date of sale Date of sale shall mean the date of the invoice to the original customer for the product. NovAtel’s responsibility respecting this warranty is solely to product replacement or product repair at an authorized NovAtel location.

  • Page 14: Customer Service

    Customer Service Customer Service Contact Information If you have any questions or concerns regarding your EuroPak-15a receiver, please contact the NovAtel Aviation Group using any one of the following methods: NovAtel GPS Hotline: 1-800-NOVATEL (U.S. and Canada) 403-295-4900 (International) Fax:...

  • Page 15: Foreword

    For an overview of GPS, a glossary of terms, units of conversion and acronyms, refer to the GPS+ Reference Manual available on our website at http://www.novatel.com/Downloads/docupdates.html. It is beyond the scope of this manual to provide details on service or repair. Please contact your local NovAtel dealer for any customer-service related inquiries, see Customer Service on Page 14.

  • Page 16: Introduction

    Chapter 1 Introduction This chapter provides information on the features and functionality of the EuroPak-15a and how it operates in the context of an SBAS system. Overview of the EuroPak-15a The EuroPak-15a is a high-performance GPS, Galileo and GEO receiver capable of receiving and tracking sixteen GPS L1, GPS L5, Galileo L1 and Galileo E5a signals.

  • Page 17: Galileo Overview

    2007-2008 time frame to validate the basic Galileo space and related ground segment. Once this In-Orbit Validation (IOV) phase has been completed, the remaining satellites will be installed to reach the Full Operational Capability (FOC) in 2010. EuroPak-15a Receiver User Manual Rev 5...

  • Page 18: Open Service

    Galileo operator will be able to offer certain service guarantees. This aspect of service guarantee and the commensurate liabilities is one area where Galileo is significantly differentiated from GPS. A key component in achieving this is an independent system within Galileo for monitoring the satisfactory working of EuroPak-15a Receiver User Manual Rev 5...

  • Page 19: Safety-Of-Life Service

    EuroPak-15a Enclosure The EuroPak-15a provides a hardware interface between your equipment and the NovAtel Euro-L1E5a card. Each is a rugged, sealed enclosure that provides protection against adverse environments. It has DB-9 connectors to access data and status signals.

  • Page 20: Europak-15A Features

    1 straight through serial cable • A CD containing NovAtel’s PC utilities and product documentation For technical specifications on the EuroPak-15a, please see Appendix A, Technical Specifications starting on Page 110. Figure 2: EuroPak-15a Enclosure The port labelled COM2 on the back of the receiver, see Figure 2 above, connects to COM3 of the internal Euro-L1E5a card.

  • Page 21: Geo Signal Processing

    Digital pulse blanking involves removing or attenuating pulses in the RF signal that exceed a specified level. The EuroPak-15a provides digital pulse blanking for the GPS L1, GPS L5 signal, Galileo L1 and Galileo E5a signal paths. Digital pulse blanking reduces the negative effects of pulsed interference.

  • Page 22: Digital Electronics Section

    1.10 Data Communications Equipment A PC or other data communications equipment is necessary to communicate with the receiver and, if desired, to store data generated by the receiver. EuroPak-15a Receiver User Manual Rev 5...

  • Page 23: Installation

    An L5 Signal Generator is available from NovAtel, see the Aviation Group’s contact information on Page 14 to learn more. The GPS-704-X antenna is a wide band passive antenna available from NovAtel. It is designed to operate in the frequency range 1150-1650 MHz. An external LNA is required.

  • Page 24: Power Supply Requirements

    2.1.3.1 EuroPak-15a Enclosure The EuroPak-15a is supplied with a 12 V power adapter with a built-in slow-blow fuse for use with a standard 12 VDC power outlet. If a different supply is desired, the input range required is +9 to +18 VDC. The type of connector required to mate with the receiver’s power connector is a 4-pin LEMO socket connector labelled PWR.

  • Page 25: Mounting The Antenna Or Signal Generator

    Connect the antenna or signal generator to the receiver using high-quality coaxial cable, as discussed in Section 2.1.2 on Page 23. The EuroPak-15a provides a TNC female connector, which can be connected to the antenna or signal generator directly with any of NovAtel’s coaxial cables.

  • Page 26: Applying Power To The Receiver

    Strobes A set of inputs and outputs that provide status and synchronization signals are given on the EuroPak-15a. These signals are referred to as strobes. As shown in Table 2 on Page 27, not all strobe signals are provided on all receivers.

  • Page 27: Status Indicators

    Installation consists of connecting a cable from the external oscillator to the EuroPak-15a’s external oscillator input connector. The BNC external oscillator port, labelled OSC, is used for input signals on the EuroPak-15a and for output signals on the EuroPak-15aT. See Figure 2 on Page 20.

  • Page 28: Operation

    Before operating the EuroPak-15a for the first time, ensure that you have followed the installation instructions in Chapter 2. From here on, it will be assumed that testing and operation of the EuroPak-15a will be performed while using a personal computer (PC), which allows the greatest ease and versatility.

  • Page 29: Communicating With The Europak-15A

    Chapter 4. The valid commands, which are used to control the operation and data logging of the EuroPak-15a, are specified in Chapter 5. Chapter 6 provides details on the data logs that can be requested from the EuroPak-15a. It is to your advantage to become thoroughly familiar with Chapters 4 through 6 of this manual to ensure maximum utilization of the EuroPak-15a's capabilities.
  • Page 30 Any of the above prompts indicate that the receiver is ready and waiting for command input. If you find that GPSolution (Aviation) is unable to locate your EuroPak-15a receiver, it may be that you have previously used the SAVECONFIG command. In this case, try using a different COM port to communicate to the receiver.

  • Page 31: Using Commands And Logs

    15a. The sections below give information on using these messages, including the formats they can take and the responses they may provide. Entering Commands The EuroPak-15a is capable of responding to many different input commands. The commands offer a wide range of flexibility and can be used to control the following: •...

  • Page 32: Determining The Current Command Settings

    PSRPOS log. It can then be entered again with a second set of parameters to configure the EuroPak-15a to capture the RANGE log. When the LOG command is entered the second time, the new parameter set does not overwrite the first, it exists in addition to the first set.

  • Page 33: Response Messages

    INVALID OFFSET The offset is invalid MAX NUMBER OF USER MESSAGES The maximum number of user messages allowed has been REACHED reached GPS PRECISE TIME IS ALREADY GPS precise time is already known KNOWN EuroPak-15a Receiver User Manual Rev 5...

  • Page 34: Logging Data

    Chapter 6 to capture. Note the following however: 1. The EuroPak-15a can handle 20 logs at a time. If you attempt to log more than 20 logs at a time,...

  • Page 35: Specifying Log Formats

    • ASCII • Binary This allows for some versatility in the way the EuroPak-15a can be used. 4.3.1 ASCII The ASCII format is readable by both you and a computer. The structures of all ASCII messages follow the general conventions as noted here: 1.

  • Page 36: Binary

    3 sync bytes plus 25 bytes of header information. The header length is variable as fields may be appended in the future. Always check the header length. Parameters Variable length binary data 4 bytes 2. The 3 Sync bytes are always: EuroPak-15a Receiver User Manual Rev 5...

  • Page 37: Binary Message Header Structure

    These time fields are ignored if Field #11, Time Status, is invalid. In this case the current receiver time is used. The recommended values for the three time fields are 0, 0, 0. EuroPak-15a Receiver User Manual Rev 5...

  • Page 38: Fields

    Using Commands and Logs Fields The commands and logs for the EuroPak-15a use a variety of field types to convey data. The following sections provide information on the types of fields used and some of the more commonly-used fields. 4.4.1 Field Types The following table describes the field types used in the commands and logs.

  • Page 39: Commonly-Used Fields

    01 = ASCII 10 = Abbreviated ASCII, NMEA 11 = Reserved Response indicator, where 0 = original message 1 = response message. (See Section 4.2 on Page 34 for more information on logging data.) EuroPak-15a Receiver User Manual Rev 5...

  • Page 40: Gps Time Status

    UTC with zero point defined as midnight on the night of January 6, 1980 at 0:00 hours. The time stamp consists of the number of weeks since that zero point, the EuroPak-15a rolls over, (0 to 1023) and the number of seconds since the last week number change (0 to 603,799).
  • Page 41 The ASCII and Binary message formats all contain a 32-bit Cyclic Redundancy Check (CRC) for data verification. This allows you to ensure that the data received (or transmitted) is valid with a high level of certainty. This CRC can be generated using the C algorithm shown on Page 42. EuroPak-15a Receiver User Manual Rev 5...
  • Page 42 ( ulCount-- != 0 ) ulTemp1 = ( ulCRC >> 8 ) & 0x00FFFFFFL; ulTemp2 = CRC32Value( ((int) ulCRC ^ *ucBuffer++ ) & 0xff ); ulCRC = ulTemp1 ^ ulTemp2; return( ulCRC ); EuroPak-15a Receiver User Manual Rev 5...

  • Page 43: Commands

    Control signal thresholds for acquisition, tracking and cross correlation UNASSIGN Unassign a previously ASSIGNed channel CLOCK INFORMATION, STATUS, AND TIME Enable or disable adjustments to the internal clock and 1PPS output CLOCKADJUST Set the parameters for an external clock EXTERNALCLOCK EuroPak-15a Receiver User Manual Rev 5...

  • Page 44: Command Summary

    STHRESHOLD tracking and cross correlation lock crosscorr UNASSIGN Unassign a previously ASSIGNed channel unassign channel UNLOG Remove log from logging control unlog [port] datatype UNLOGALL Remove all logs from logging control unlogall [port] EuroPak-15a Receiver User Manual Rev 5...

  • Page 45: Command Reference

    Table 46, Receiver Status on Page 93, reports the AGC as GOOD as long as the control metric used in the feedback loop is within 7.5% of the set point. This command controls the EuroPak-15a’s Automatic Gain Control (AGC) mechanism, which has two primary functions: •...

  • Page 46: Antispoofing Flag Values

    35 to 262144 Float H+12 when the mode field is set to MANUAL. Example: AGCMODE L1 MANUAL 40 50 Table 17: Antispoofing Flag Values ASCII Description FALSE Antispoofing is disabled. TRUE Antispoofing is enabled. EuroPak-15a Receiver User Manual Rev 5...

  • Page 47: Assign Assign Individual Satellite Channels

    2. Assigning an SV channel will set the Channel Assignment bit to 1 for forced assignment in the Channel Tracking Status field of the RANGE log. The RANGE log is specified in Section 6.3.5 on Page 82. 3. The doppler field applies to L1 GPS and Galileo channels only. EuroPak-15a Receiver User Manual Rev 5...

  • Page 48: Channel State Values

    Table 18: Channel State Values ASCII Description IDLE Set the SV channel to not track any satellites. ACTIVE Set the SV channel active. AUTO Tell the receiver to automatically assign PRN codes to channels. EuroPak-15a Receiver User Manual Rev 5...

  • Page 49: Chanconfig

    6 GPS L1 + 6 GPS L5 + 2 GEO L1 + 2 GEO L5 channels 16GPSL5 16 GPS L5 channels Use the 10GALILEODATA6GPS configuration when tracking the GIOVE-A satellite. GIOVE-A uses a different signal structure than the Galileo SIS-ICD, therefore the receiver tracks the data signal. EuroPak-15a Receiver User Manual Rev 5...

  • Page 50: Clockadjust

    Offset header This field contains the Abbreviated ASCII command name. See Section 4.1 on Page 31. switch DISABLE Disallow adjustment of Enum internal clock. ENABLE Allow adjustment of internal clock. ASCII Example: CLOCKADJUST DISABLE EuroPak-15a Receiver User Manual Rev 5...

  • Page 51: Com Serial Port Configuration Control

    Baud rates higher than 115,200 bps are not supported by standard PC hardware. Special PC hardware is required for higher rates, such as 230,400 bps. Example: COM COM3 57600 N 8 1 N OFF ON EuroPak-15a Receiver User Manual Rev 5...

  • Page 52: Parity Values

    XON/XOFF software handshaking CTS/RTS hardware handshaking Table 22: Echo Values ASCII Description No echo Transmit any input characters as they are received. Table 23: Break Values ASCII Description Disable break detection Enable break detection EuroPak-15a Receiver User Manual Rev 5...

  • Page 53: Ecutoff Set Satellite Elevation Cut-Off

    Name Bytes Offset This field contains the Abbreviated ASCII command name. See header Section 4.1 on Page 31. Elevation cut-off angle angle -90.0 to +90.0 relative to horizon in Float degrees. Example: ECUTOFF 10.0 EuroPak-15a Receiver User Manual Rev 5...

  • Page 54: Externalclock

    EXTERNALCLOCK Overview The EXTERNALCLOCK command allows the EuroPak-15a to operate with an optional external oscillator. You are able to optimally adjust the clock model parameters of the receiver for various types of external clocks. This command will affect the interpretation of the CLOCKMODEL log, see Page 77.

  • Page 55: Clock Type

    Table 25: Pre-Defined Values for Oscillators Clock Type VCTCXO 1.0 e-21 1.0 e-20 1.0 e-20 OCXO 2.51 e-26 2.51 e-23 2.51 e-22 Rubidium 1.0 e-23 1.0 e-22 1.3 e-26 Cesium 2.0 e-20 7.0 e-23 4.0 e-29 EuroPak-15a Receiver User Manual Rev 5...

  • Page 56: Fix Constrain To Fixed Position

    Chapter 5 Commands 5.3.8 FIX Constrain to Fixed Position This command fixes position parameters for the EuroPak-15a. For various applications, fixing this value can assist in improving acquisition times and accuracy of position or corrections. Syntax: Message ID: 44 TYPE...

  • Page 57: The Wgs84 Ecef Coordinate System

    WGS 84 ω Earth's Center of Mass BIH-Defined Zero Meridian (1984.0) W GS 84 WGS 84 Analogous to the BIH Defined Conventional Terrestrial System (CTS), or BTS, 1984.0. Figure 4: The WGS84 ECEF Coordinate System EuroPak-15a Receiver User Manual Rev 5...

  • Page 58: Freset Clear Data In Nvm

    This field contains the Abbreviated ASCII command name. See Section 4.1 on header Page 31. Reserved field required for Binary format only. Set to 0 when entering the Enum command in Binary. Example: FRESET EuroPak-15a Receiver User Manual Rev 5...

  • Page 59: 5.3.10 Log Request Logs From Receiver

    Flag for whether or not the log is removed hold See Table 28 on Page 60. by the UNLOGALL Enum H+28 command. Valid for ONTIME trigger only. EuroPak-15a Receiver User Manual Rev 5...

  • Page 60: Log Trigger Values

    LOG COM3 PRSPOSA ONCE The first example configures the EuroPak-15a to output the PSRPOS log in ASCII format to COM1 at 7 second intervals offset by 2.5 seconds (output at 2.5 seconds then 9.5 seconds and so on). The second example outputs the log only once on COM3.

  • Page 61: 5.3.11 Positiontype Set The Position Solution

    This field contains the Abbreviated ASCII command name. See Section header 4.1 on Page 31. frequency GPSL1 or GPSL5 Position frequency, see Table 29 Enum Example: POSITIONTYPE GPSL1 Table 29: Position Frequency Switch ASCII Description GPSL1 GPS L1 frequency GPSL5 GPS L5 frequency EuroPak-15a Receiver User Manual Rev 5...

  • Page 62: 5.3.12 Pulseblanking Enable/Disable Pulse Blanking

    PULSEBLANKING L1 5 Table 30: Frequency Switch ASCII Description GPS L1 and Galileo L1 frequency GPS L5 and Galileo E5a frequency Table 31: Pulse Blanking Switch ASCII Description Disable pulse blanking 1-127 Enable pulse blanking EuroPak-15a Receiver User Manual Rev 5...

  • Page 63: 5.3.13 Reset Hardware Reset

    This field contains the Abbreviated ASCII command name. See Section 4.1 on header Page 31. Seconds to wait before resetting. If no delay Any ulong value. value is provided, the default of 0 ULong seconds is assumed. Example: RESET 5 See also the FRESET command. EuroPak-15a Receiver User Manual Rev 5...

  • Page 64: 5.3.14 Sdllbw Configure Dll Filter Bandwidth

    This field contains the Abbreviated ASCII command name. See header Section 4.1 on Page 31. The parameters should be applied dsigchan 0-15 Ulong to this signal channel. Noise equivalent bandwidth of 0.001-0.5 Float DLL filter in Hz. Example: SDLLBW 0 0.01 EuroPak-15a Receiver User Manual Rev 5...

  • Page 65: 5.3.15 Spllbw Configure Phase-Lock-Loop Bandwidth

    Example: SPLLBW 0 1.0 Table 32: PLL Bandwidth Values Frequency Valid Bandwidth Values GPS C/A signals 0.5 to 15 Hz Galileo L1 signals 0.5 to 15 Hz Galileo E5a signals 0.5 to 15 Hz EuroPak-15a Receiver User Manual Rev 5...

  • Page 66: 5.3.16 Sthreshold Control Signal Thresholds

    ULong dBHz. Steady-state tracking lock lock 10-80 ULong threshold in dBHz. Specifies the cross-correlation crosscorr 10-80 power threshold in dBHz, at which ULong point, the checks are performed. Example: STHRESHOLD 0 35 20 35 EuroPak-15a Receiver User Manual Rev 5...

  • Page 67: 5.3.17 Unassign Unassign A Previously Assigned Channel

    0 to 15 ULong acquisition mode, see also Table 56 on Page 120. Reserved field required for Binary format only. Set to 2 when entering the Enum command in Binary. Example: UNASSIGN 11 EuroPak-15a Receiver User Manual Rev 5...

  • Page 68: 5.3.18 Unlog Remove Log From Logging Control

    Serial port at which log is being output. If a value is port See Section 10 on Page 39. Enum not provided, COM1 is assumed. datatype Message name Message ID Log to be disabled. ULong Example: UNLOG COM3 PSRPOSA EuroPak-15a Receiver User Manual Rev 5...

  • Page 69: 5.3.19 Unlogall Remove All Logs From Logging Control

    Page 31. Serial port at which logging is to port See Table 10 on Page 39. disabled. If a value is not provided, Enum COM1 is assumed. Reserved (always 0). Enum Example: UNLOGALL EuroPak-15a Receiver User Manual Rev 5...

  • Page 70: Data Logs

    SATELLITE TRACKING AND CHANNEL CONTROL ALMANAC Current decoded almanac data Asynch RANGE Satellite range information Synch RAWEPHEM Raw ephemeris Asynch RAWFRAME Raw subframes Asynch SATVIS Satellite azimuth and elevation angle data Synch TRACKSTAT Channel tracking information Synch EuroPak-15a Receiver User Manual Rev 5...

  • Page 71: Log Summary

    All logs are followed by a carriage return and line feed. However, in some of the examples, carriage returns have been inserted in the middle of the log to clearly indicate different data sets. EuroPak-15a Receiver User Manual Rev 5...

  • Page 72: Agcstats Automatic Gain Control Status

    H+60 noise floor Calculated noise floor Double H+68 Double H+76 Reserved Double H+84 16... Next RF deck, offset = H+ 4 + (#RF *88) Bytes H+ 4 32-bit CRC (ASCII and Binary only) (#RF*88) EuroPak-15a Receiver User Manual Rev 5...

  • Page 73: Agc Status Word

    Method of Noise Floor Calculation 1 = AGC 2 = Post Correlation 3 = … Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved EuroPak-15a Receiver User Manual Rev 5...
  • Page 74 Chapter 6 Data Logs Recommended Input: LOG AGCSTATSA ONTIME 10 Example Output: #AGCSTATSA,COM1,0,78.0,FINE,338,320316.822,00A00000,0000,33331; 28A,8493,3893,8000,0.0383,0.1064,0.2175,0.2853,0.2162,0.1364, 1283057.375000,-0.009275,0.000000, 29A,8037,3437,8000,0.0905,0.1543,0.2492,0.2490,0.1627,0.0944, 1273863.750000,-0.008741,0.000000*A05AE5E7 EuroPak-15a Receiver User Manual Rev 5...

  • Page 75: Almanac Decoded Almanac

    Anti-spoofing flag, see Table 17 on Page 46 Enum H+112 20... Next almanac data set, offset = H + 4 + (# previous msg x 112) H + 4 + (112 x 32-bit CRC (ASCII and Binary only) #msg) EuroPak-15a Receiver User Manual Rev 5...
  • Page 76 Data Logs Recommended Input: LOG ALMANACA ONCHANGED ASCII Example: #ALMANACA,COM1,0,78.0,SATTIME,338,320004.000,00A00000,0000,33331; 1,338,503808.0,6.318092E-03,-7.60031658E-09,-1.96827599E+00, -1.70715209E+00,-1.27284116E+00,3.71932983E-05,3.63797881E-12, 1.45856914E-04,2.65599916E+07,4.42098057E-02,1,0,0,TRUE, 2,338,503808.0,9.141445E-03,-8.26320134E-09,2.18251798E+00, 1.97852363E+00,1.88691247E-01,-1.81198120E-05,0.00000000E+000, 1.45860977E-04,2.65594983E+07,8.63463404E-03,1,0,0,FALSE, 3,338,503808.0,7.876873E-03,-8.11462372E-09,1.04690369E+00, 6.62592815E-01,-6.81532759E-01,7.53402710E-05,3.63797881E-12, 1.45858780E-04,2.65597651E+07,-1.61187825E-02,1,0,0,TRUE, 4,338,503808.0,7.454395E-03,-8.27463039E-09,2.20228558E+00, 1.45160422E-01,2.49410670E+00,1.52587891E-04,1.09139364E-11, 1.45848996E-04,2.65609528E+07,8.20919406E-03,1,0,0,FALSE, 27,338,503808.0,1.979542E-02,-8.16033991E-09,-1.01833966E+00, -1.95538209E+00,2.34013039E+00,3.62396240E-05,0.00000000E+000, 1.45857411E-04,2.65599312E+07,1.44709516E-02,1,0,0,FALSE, 28,338,503808.0,1.103687E-02,-7.84032658E-09,1.06756599E-01, -2.28547146E+00,1.17978552E+00,3.33786011E-05,0.00000000E+000, 1.45859194E-04,2.65597148E+07,1.80602269E-02,1,0,0,TRUE, 29,338,503808.0,9.426594E-03,-7.60031658E-09,-2.01631026E+00, -9.70531593E-01,7.15315540E-01,5.36918640E-04,1.09139364E-11, 1.45855712E-04,2.65601375E+07,4.33289651E-02,1,0,0,TRUE, 30,338,503808.0,8.715153E-03,-8.02319134E-09,5.43083877E-02, 1.29254172E+00,1.52598431E+00,2.57492065E-05,3.63797881E-12, 1.45865786E-04,2.65589145E+07,2.19311316E-03,1,0,0,FALSE *2E0D3E7A EuroPak-15a Receiver User Manual Rev 5...

  • Page 77: Clockmodel Current Clock Model Status

    The standard clock model now used is as follows: clock parameters array = [ B BR SAB] covariance matrix = σ σ σ σ σ σ σ σ σ σ σ σ σ σ σ EuroPak-15a Receiver User Manual Rev 5...
  • Page 78 Last instantaneous measurement of the range bias rate range bias rate Double H+120 (m/s) Indicates whether or not there is a change in the change Enum H+128 constellation. See Table 37 on Page 79. 32-bit CRC (ASCII and Binary only) H+132 EuroPak-15a Receiver User Manual Rev 5...

  • Page 79: Clock Model Status Values

    The clock model is not valid ERROR Clock model error Table 37: Constellation Change Flag Values ASCII Binary Description FALSE There has not been a change in the constellation TRUE The constellation has changed EuroPak-15a Receiver User Manual Rev 5...

  • Page 80: Psrpos Pseudorange Position

    #obs in pos Number of observations used in position UChar H+65 UChar H+66 UChar H+67 UChar H+68 Reserved UChar H+69 UChar H+70 UChar H+71 32-bit CRC (ASCII and Binary only) H+72 EuroPak-15a Receiver User Manual Rev 5...

  • Page 81: Solution Status Values

    Delta position is too large NEGATIVE_VAR Negative variance Table 39: Position Type Values ASCII Binary Description NONE No solution Position has been fixed by the FIX POSITION command FIXEDPOS or by position averaging SINGLE Single point position EuroPak-15a Receiver User Manual Rev 5...

  • Page 82: Range Satellite Range Information

    Tracking status. See Table 40 on Page 84. ULong H+44 status 13... Next data set, offset = H + 4 + (# previous obs x 44) H+4+ variable 32-bit CRC (ASCII and Binary only) (#obs x EuroPak-15a Receiver User Manual Rev 5...
  • Page 83 Data Logs Chapter 6 Recommended Input: LOG RANGEA ONTIME 30 Example Output: #RANGEA,COM1,0,86.0,FREEWHEELING,336,158190.000,00E80000,0000,33331 7,0,23349304.589,0.280,-122701400.419,0.008,-2905.889,43.4, 7344.640,08005C04, 2,0,20669493.328,0.159,-108618920.523,0.005,-1639.363,48.4, 7343.750,08005C24, 25,0,24880354.627,0.376,-130747143.832,0.009,370.102,40.9, 1179.550,08005C44, 5,0,21128558.586,0.141,-111031319.590,0.004,-2245.102,49.4, 7340.550,08005C64, 6,0,22572830.405,0.307,-118621049.557,0.008,2665.866,42.7, 3916.040,08005C84, 30,0,20727099.269,0.179,-108921652.406,0.004,-196.892,47.3, 6596.850,08005CA4*FAE4A508 EuroPak-15a Receiver User Manual Rev 5...

  • Page 84: Channel Tracking Status

    15 = E5b dataless 0x01000000 30 = L5 C5 combined 16 = E5b data 0x02000000 0x04000000 Forward Error Correction (FEC) 0 = Not FEC, 1 = FEC Reserved (always 0) Continued on Page 85 EuroPak-15a Receiver User Manual Rev 5...

  • Page 85: Tracking State Bit Values

    Narrow frequency band pull-in Reacquisition Steering Frequency-lock loop 8-14 Reserved Neumann-Hoffman alignment Table 42: Correlator Spacing Bit Values Bit Value Description Reserved Standard correlator: spacing > 0.1 chip Narrow correlator: spacing = 0.1 chip Reserved Reserved EuroPak-15a Receiver User Manual Rev 5...

  • Page 86: Rawephem Raw Ephemeris

    Subframe 3 data. H+72 32-bit CRC (ASCII and Binary only) H+104 Recommended Input: LOG RAWEPHEMA ONCHANGED Example Output: #RAWEPHEMA,COM1,7,76.5,SATTIME,338,338430.000,00A00000,0000,33331; 29,338,345600,8B05486E2B255490003CD3E8731DDB8A24F57C45F225546000006 946137A0000000000,8B05486E2BA8250A4E2BB771090CD2097204D3A7FB1250A10 D95B354607D000000B2EA,8B05486E2C2F0072ADE5E6AE005C2829DA2F1B93D8620 667FFAAFC250D9A0000000000*D413845E #RAWEPHEMA,COM1,4,76.5,SATTIME,338,338430.000,00A00000,0000,33331; 10,338,345584,8B05486E2B255490003CD3E8731DDB8A24F57C45FB94545F00000 50A52E70000000000,8B05486E2BA894FC2A2D01670FCEA8FCC0039DF4691822A10 C7F8E545F2B000000B2EA,8B05486E2C2FFFBA8488C0FDFFD127BDA71614E90FD78 438FFABE494F11E0000000000*6854985A #RAWEPHEMA,COM1,0,76.5,SATTIME,338,338430.000,00A00000,0000,33331; 15,338,345600,8B05486E2B255492012CD3E8731DDB8A24F57C45FB56546000003 44A40460000000000,8B05486E2BA856FD4936E4E87361D4FD2F04D0F1270900A10 DA76554607C000000B2EA,8B05486E2C2FFFFD5C183A3FFFBE27061AC724B767F70 A30FFA2F056FDD40000000000*71B1AC43 EuroPak-15a Receiver User Manual Rev 5...

  • Page 87: Rawframe Raw Subframes

    In the Binary log case, the data field will only output the number of bits in the subframe. This is 120 for L1 and 244 for E5a. Recommended Input: LOG RAWFRAMEA ONNEW Example Output: #RAWFRAMEA,COM1,0,82.5,SATTIME,343,408162.000,004C0000,0000,33331; 0,25,0,300,38, 8B055C85EC8749C007DBB52D155C1600602633471F30DDE8937A78CB99790057570 AFFFAF140*AEC280E1 EuroPak-15a Receiver User Manual Rev 5...

  • Page 88: Rxcommands Receiver Configuration

    21,PULSEBLANKING L5 127*409DCBCE #RXCOMMANDSA,COM1,53,77.5,FINE,334,237306.919,00E40008,0000,33331; 39,DLLORDER GPS 1*63D03A14 #RXCOMMANDSA,COM1,52,77.5,FINE,334,237306.919,00E40008,0000,33331; 2,ANTENNAPOWER OFF*100A691D #RXCOMMANDSA,COM1,51,77.5,FINE,334,237306.919,00E40008,0000,33331; 3,CLOCKADJUST DISABLE*CBDEACCB #RXCOMMANDSA,COM1,50,77.5,FINE,334,237306.921,00E40008,0000,33331; 4,COM COM3 115200 N 8 1 N OFF ON*9FA0AF3C #RXCOMMANDSA,COM1,49,77.5,FINE,334,237306.921,00E40008,0000,33331; 47,POSITIONTYPE GPSL1*F455BBD0 #RXCOMMANDSA,COM1,32,77.5,FINE,334,237306.937,00E40008,0000,33331; 45,SDLLBW 0 0.2000*287F8BC9 #RXCOMMANDSA,COM1,31,77.5,FINE,334,237306.939,00E40008,0000,33331; 45,SDLLBW 1 0.2000*91909AD3 EuroPak-15a Receiver User Manual Rev 5...
  • Page 89 46,SPLLBW 4 3.0000*0D170431 #RXCOMMANDSA,COM1,11,77.5,FINE,334,237306.961,00E40008,0000,33331; 46,SPLLBW 5 3.0000*02C8C399 #RXCOMMANDSA,COM1,10,77.5,FINE,334,237306.961,00E40008,0000,33331; 46,SPLLBW 6 3.0000*0CAD969C #RXCOMMANDSA,COM1,9,77.5,FINE,334,237306.963,00E40008,0000,33331; 46,SPLLBW 7 3.0000*2E2CDD3F #RXCOMMANDSA,COM1,8,77.5,FINE,334,237306.963,00E40008,0000,33331; 46,SPLLBW 8 3.0000*77E69D75 #RXCOMMANDSA,COM1,7,77.5,FINE,334,237306.963,00E40008,0000,33331; 46,SPLLBW 9 3.0000*534DAF6D #RXCOMMANDSA,COM1,6,77.5,FINE,334,237306.964,00E40008,0000,33331; 46,SPLLBW 10 3.0000*5858199B #RXCOMMANDSA,COM1,5,77.5,FINE,334,237306.964,00E40008,0000,33331; 46,SPLLBW 11 3.0000*4EC8EE24 #RXCOMMANDSA,COM1,4,77.5,FINE,334,237306.964,00E40008,0000,33331; 46,SPLLBW 12 3.0000*89AE44D8 EuroPak-15a Receiver User Manual Rev 5...

  • Page 90: Command Type Values

    Table 43: Command Type Values ASCII BINARY Command ASSIGN Reserved CLOCKADJUST ECUTOFF EXTERNALCLOCK FRESET RESET Reserved 11-18 11-18 AGCMODE CHANCONFIG PULSEBLANKING UNLOG 23-24 23-24 Reserved UNLOGALL UNASSIGN 27-42 27-42 Reserved STHRESHOLD Reserved SDLLBW SPLLBW POSITIONTYPE EuroPak-15a Receiver User Manual Rev 5...

  • Page 91: Rxsecstatus Receiver Section Status

    Example Output: #RXSECSTATUSA,COM1,0,78.0,FINE,338,320380.000,00A00000,0000,33331; 1,L1E5A,PM,"L1E5AGALT","DZN05140006","5.000D24",00A00000,00000000, 00401000*3FD5F86C Table 44: Component Type ASCII Binary Description UNKNOWN Unknown component GPSCARD Receiver component FPGA Field Programmable Gate Array CLKSTAT Reserved L5EURO Reserved CPLD Complex programmable logic device L1E5A Reserved EuroPak-15a Receiver User Manual Rev 5...

  • Page 92: Receiver Error

    PLL RF2 hardware status - L5 Error 0x00002000 Reserved Error 0x00004000 Error 0x00008000 NVM status Error 0x00010000 Stack usage status Error 0x00020000 Memory usage status Error 0x00040000 Message queue usage status Error 0x00080000 Message usage status Error EuroPak-15a Receiver User Manual Rev 5...

  • Page 93: Receiver Status

    PLL not locked PLL locked 0x01000000 Stack warning Warning 0x02000000 Memory warning Warning 0x04000000 Message queue warning Warning 0x08000000 Message block usage warning Warning 0x10000000 Reserved 0x20000000 0x40000000 0x80000000 AUX1 status event flag No event Event EuroPak-15a Receiver User Manual Rev 5...

  • Page 94: 6.3.10 Satvis Satellite Visibility

    GPS+ Reference Manual http://www.novatel.com/support/docupdates.htm. available on our website at Recommended Input: LOG SATVISA ONTIME 60 ASCII Example: #SATVISA,COM1,0,44.0,FINE,1039,490308.000,00000028,6002,0; TRUE,TRUE,27, 14,0,0,74.5,267.4,458.2,458.926672761, 25,0,0,61.3,73.7,-1252.6,-1251.902056196, 1,0,0,55.9,277.4,1799.2,1799.897879028, 16,0,0,33.6,305.9,2874.8,2875.534296744, 26,0,0,-82.0,114.8,-188.9,-188.237459086*bf8c9522 EuroPak-15a Receiver User Manual Rev 5...

  • Page 95: Satellite Visibility Values

    Table 47: Satellite Visibility Values ASCII Binary Description FALSE Satellite visibility is invalid TRUE Satellite visibility is valid Table 48: Complete Almanac Flag Values ASCII Binary Description FALSE Complete almanac was not used TRUE Complete almanac was used EuroPak-15a Receiver User Manual Rev 5...

  • Page 96: 6.3.11 Systemlevels System Hardware Levels

    Next component offset = H + 4 + (# comp x 48) H + 4 + (# variable 32-bit CRC (ASCII and Binary only) comp x 48) Recommended Input: LOG SYSTEMLEVELSA ONTIME 1 Example Output: #SYSTEMLEVELSA,COM1,0,77.5,FINE,338,320405.000,00A00000,0000,33331; L1E5A,PM,58.000,0.138,1.194,11.636,4.985,4.564,3.230,1.588,77.880, 4.223*B5E852BE EuroPak-15a Receiver User Manual Rev 5...

  • Page 97: 6.3.12 Time Time Data

    GPS time = receiver time - offset offset std Receiver clock offset standard deviation (s) Double H+12 5-12 Reserved H+20 32-bit CRC (ASCII and Binary only) H+44 Recommended Input: LOG TIMEA ONTIME 1 Example Output: #TIMEA,COM1,0,58.0,FINE,1049,248050.000,00000128,5C46,0; VALID,-0.000000002,0.000001901,-13.00000000294,2000,2,15,20,53, 57011,VALID*d6f14d5d EuroPak-15a Receiver User Manual Rev 5...

  • Page 98: 6.3.13 Trackstat Tracking Status

    Pseudorange filter weighting Float H+54 16... Next hardware channel data set, offset = H+16 + (# previous chans x 40) H+16 + variable 32-bit CRC (ASCII and Binary only) (#chans x 40) EuroPak-15a Receiver User Manual Rev 5...

  • Page 99: Reject Code Values

    Tracking a Galileo L1 signal GALE5a Tracking a Galileo E5a signal OBSL1 Tracking a GPS or SBAS L1 signal that is not used in a position solution No observation (a reject code is not applicable) EuroPak-15a Receiver User Manual Rev 5...

  • Page 100: 6.3.14 Version Version Information

    Next component, offset = H + 4 + (# previous comp x 108) H+4+ variable 32-bit CRC (ASCII and Binary only) (#comp x 108) Recommended Input: LOG VERSIONA ONCE Example Output: #VERSIONA,COM1,0,78.0,FINE,338,320423.720,00A00000,0000,33331; L1E5A,"L1E5AGALT","DZN05140006","L1E5A-1.00-2X2", "5.000D24","5.000D1DB","2006/FEB/10","11:48:48", FPGA,"ALTERA","","1.3.52","GALILEO","","2006/JAN/12", "13:26:48"*C1270A13 EuroPak-15a Receiver User Manual Rev 5...

  • Page 101: Version Log Field Formats

    One character for each of the COM ports 1, 2, and 3. Characters are: 2 for RS-232, 4 for RS-422, and T for LV-TTL. Therefore, the example is for a receiver that uses RS-232 for COM 1 and COM 2 and LV- TTL for COM 3. EuroPak-15a Receiver User Manual Rev 5...

  • Page 102: Firmware Updates

    4. Run the firmware loading utility. Contacting the NovAtel Aviation Department The first step in updating the receiver is to contact the NovAtel Aviation Group via any of the methods described in Customer Service on Page 14. When you call, be sure to have the receiver's serial number and program revision level available. This information is printed on the bottom surface of a EuroPak-15a, as shown in Figure 5.

  • Page 103: Downloading The Files

    Typical Euro-L1E5a card firmware files might be named 5100.HEX, for example. To proceed with your update, you will first need to download the appropriate files from NovAtel's FTP site at ftp.novatel.ca, or via e-mail at support@novatel.com. If downloading is not possible, the files can be mailed to you on diskette.

  • Page 104: Running The Utility

    From the file menu choose Open. Use the Open dialog to browse for your file, see Figure 7. Figure 7: WinLoad’s Open Dialog Once you have selected your file, the name should appear in the main display area and in the title bar, see EuroPak-15a Receiver User Manual Rev 5...

  • Page 105: Communications Settings

    You will only be able to access information from the card and download new firmware during the first few seconds after power initiation. 6. WinLoad should be able to locate the card and the hex file should start downloading. When the EuroPak-15a Receiver User Manual Rev 5...

  • Page 106: Authorization Code Dialog

    7. The receiver should finish downloading and reset. The process is complete when “Done.” is displayed in the main display area, see Figure 11 on Page 106. Figure 11: Update Process Complete 8. Close WinLoad. This completes the procedure required to update a EuroPak-15a receiver. EuroPak-15a Receiver User Manual Rev 5...

  • Page 107: Built-In Status Test

    The status word is the third last field in the RXSECSTATUS log as shown in Figure 12 on Page 108. It is also the third last field in the header of every log. EuroPak-15a Receiver User Manual Rev 5...

  • Page 108: Error Word

    The numbering of the bits is shown in Figure 15. 0 0 0 0 0 0 0 0 0000 0000 0000 0000 0000 0000 0000 0000 Bit 0 Bit 15 Figure 15: Reading the Bits in the Receiver Error Word EuroPak-15a Receiver User Manual Rev 5...

  • Page 109: Status Code Arrays

    Bit 31 and bit 32 of the receiver status word corresponds to the auxiliary 1 and auxiliary 2 status words respectively. See the RXSECSTATUS log on Page 91 for a more detailed descriptions of this log. EuroPak-15a Receiver User Manual Rev 5...

  • Page 110: Performance Specifications

    5 seconds C/No = 44 dB-Hz 1 L1 C/A σ L5 Code 60 seconds C/No = 44 dB-Hz 1 Height Measurements Up to 18,288 metres (60,000 feet) maximum a. In accordance with export licensing. EuroPak-15a Receiver User Manual Rev 5...
  • Page 111 All dimension are in millimeters, please use the Unit Conversion section of the GPS+ Reference Manual available on our website at http://www.novatel.com/Downloads/ docupdates.html for conversion to imperial measurements. b. Page 119 provides the dimension information for the mounting bracket. EuroPak-15a Receiver User Manual Rev 5...
  • Page 112 0 VDC and maximum 0.55 VDC @ 24 mA High: minimum 2.4 VDC and maximum 3.6 VDC @ 8 mA Input Voltage: LVTTL levels Low: minimum 0 VDC and maximum 0.8 VDC High: minimum 2.0 VDC and maximum 5.5 VDC EuroPak-15a Receiver User Manual Rev 5...
  • Page 113 -20°C to +50°C Storage Temperature -45°C to +95°C Humidity Not to exceed 95% non-condensing a. The EuroPak-15a provides an external oscillator input on this connector while the EuroPak-15aT provides an output from the internal clock. EuroPak-15a Receiver User Manual Rev 5...

  • Page 114: Europak-15A Serial Port Pin-Out Descriptions

    Appendix A Technical Specifications A.1.1 Port Pin-Outs Table 53: EuroPak-15a Serial Port Pin-Out Descriptions Connector COM1 COM2 Pin No. Reserved RXD1 RXD2 TXD1 TXD2 Reserved Reserved RTS1 RTS2 CTS1 CTS2 Reserved a.The internal COM3 port is labelled COM2 on the EuroPak-15a.

  • Page 115: Europak-15A Power Cable

    A.1.2.1 12V Power Adapter Cable (NovAtel part number 01017023) The power adapter cable supplied with the EuroPak-15a, see Figure 16, provides a convenient means for supplying +12 VDC while operating in the field. Input is provided through the standard 12V power outlet. The output from the power adapter utilizes a 4-pin LEMO connector (LEMO part number FGG.0B.304.CLAD52Z) and plugs directly into the PWR input located...

  • Page 116: Europak-15A Null Modem Cable

    Null-Modem Cable (NovAtel part number 60323062) This cable supplied with the EuroPak-15a, see Figure 17, provides an easy means of communications with a PC. The cable is equipped with a 9-pin connector at the receiver end which can be plugged into the COM1, COM2, or AUX port.

  • Page 117: Europak-15A Straight Through Serial Cable

    Straight Through Serial Cable (NovAtel part number 60723066) This cable can be used to connect the EuroPak-15a to a modem or radio transmitter to propagate differential corrections. The cable is equipped with a female DB9 connector at the receiver end. The male DB9 connector at the other end is provided to plug into your user-supplied equipment (please refer to your modem or radio transmitter user guide for more information on its connectors).

  • Page 118: Europak-15A I/O Strobe Port Cable

    I/O Strobe Port Cable (NovAtel part number 60723065) The strobe lines on the EuroPak-15a can be accessed by inserting the male DB9 connector of the I/O strobe port cable into the I/O port. The other end of this cable is provided without a connector to provide flexibility.
  • Page 119 Technical Specifications Appendix A A.1.3 Mounting Bracket Dimensions 1234 2145 EuroPak-15a Receiver User Manual Rev 5...

  • Page 120: 10Galileo6Gps Channel Configuration

    Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto EuroPak-15a Receiver User Manual Rev 5...

  • Page 121: 16Galileol1E5A Channel Configuration

    Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L1 C/A Standard WAAS WAAS Idle L1 C/A Narrow WAAS WAAS Idle L5 C5 Narrow WAAS WAAS Idle L5 C5 Narrow WAAS WAAS Idle EuroPak-15a Receiver User Manual Rev 5...

  • Page 122: 8Gps8Geo Channel Configuration

    Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto L5 C5 Narrow Auto EuroPak-15a Receiver User Manual Rev 5...
  • Page 123 "lightning rod", funneling the entire charge into the components inside the bag. • Do not allow chargeable plastics, such as binders, within 0.6 m of unshielded PCBs. • Do not allow a PCB to come within 0.3 m of a computer monitor. EuroPak-15a Receiver User Manual Rev 5...

  • Page 124: Static-Accumulating Materials

    Remove the replacement circuit board from the static-shielding bag or clamshell and insert it into the equipment. Place the original board into the shielding bag or clamshell and seal it with a label. Do not put repair tags inside the shielding bag or clamshell. Disconnect the wrist strap. EuroPak-15a Receiver User Manual Rev 5...
  • Page 125 1315 East-West Highway Station 9244 Silver Springs, MD, USA 20910-3282 Telephone: (301) 713-2692 Fax: (301) 713-4172 Website: www.ngs.noaa.gov Contact information may be subject to change however they are accurate at the time of publication. EuroPak-15a Receiver User Manual Rev 5...

  • Page 126: Replacement Parts

    Appendix D Replacement Parts The following are a list of the replacement parts available for your NovAtel GPS receiver. Should you require assistance or need to order additional components, please contact your local NovAtel dealer or Customer Service representative. D.1 EuroPak-15a...
  • Page 127 ASCII control format commands header logs assign range measurements cancelling tracking status single channel unassigning ASSIGN command channels asterisk checksum, see cyclic redundancy check asynchronous logs circuit board atmosphere clock delays adjustment EuroPak-15a Receiver User Manual Rev 5...
  • Page 128 – logs raw data control signals reset – conventions, document time status corrected mean motion errors corrections, accuracy card status correlator technology clock multipath CRC, see cyclic redundancy check range reject codes EuroPak-15a Receiver User Manual Rev 5...
  • Page 129 GPS overview LVTTL handshaking hardware mark input (MKI) reset memory version hardware interface buffer space header non-volatile ASCII message almanac Binary formats document convention MKI, see mark input health satellite model – clock height reset EuroPak-15a Receiver User Manual Rev 5...
  • Page 130 (PLL) reset phase-lock-loop hardware configuring RESET command defaults residual polled logs response messages ports formats TIME strings EuroPak-15a Receiver User Manual Rev 5...
  • Page 131 U.S. National Geodetic Survey channel tracking unassign commands single channel receiver UNASSIGN command steer unlog clock all logs – time hold STHRESHOLD command one log stop bits UNLOG command subframe UNLOGALL command subframe data support EuroPak-15a Receiver User Manual Rev 5...
  • Page 132 Index VCTCXO, see oscillator velocity limit – VERSION log versions visibility, satellite voltage – warnings warranty week reference weighting, pseudorange filter WGS84 wide-area reference station word year EuroPak-15a Receiver User Manual Rev 5...
  • Page 133 Index EuroPak-15a Receiver User Manual Rev 5...
  • Page 134 Recyclable Printed in Canada on recycled paper OM-20000100 Rev 5 2007/04/26...

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