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OEM4 Family USER MANUAL - VOLUME 1 Installation and Operation OM-20000046 Rev 19 Proprietary Notice OEM4 Family of Receivers Installation & Operation Manual Publication Number: OM-20000046 Revision Level: 19 Revision Date: 2005/12/22 Proprietary Notice Information in this document is subject to change without notice and does not represent a commitment on the part of NovAtel Inc. The software described in this document is furnished under a licence agreement or non-disclosure agreement. The software may be used or copied only in accordance with the terms of the agreement. It is against the law to copy the software on any medium except as specifically allowed in the license or non-disclosure agreement. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose without the express written permission of a duly authorized representative of NovAtel Inc. The information contained within this manual is believed to be true and correct at the time of publication. NovAtel, GPSolution, ProPak, RT-20 and RT-2 are registered trademarks of NovAtel Inc. FlexPak, PAC, GPSCard, and GPSAntenna are trademarks of NovAtel Inc. All other brand names are trademarks of their respective holders. Manufactured and protected under U.S. Patent: Narrow Correlator #5,101,416 #5,390,207 #5,414,729 #5,495,499 #5,809,064 PAC Correlator #6,243,409 B1 Dual Frequency GPS #5,736,961 Anti-Jamming Technology #5,734,674 Position for Velocity Kalman Filter #6,664,923 B1 © Copyright 2000-2005 NovAtel Inc. All rights reserved. Unpublished rights reserved under International copyright laws. Printed in Canada on recycled paper. Recyclable. 2 OEM4 Family Installation and Operation User Manual Rev 19 Table of Contents Proprietary Notice 2 Software License 9 Warranty Policy 11 Customer Service 12 Notice 13 Foreword 16 1 Introduction 17 1.1 Overview of the OEM4 Family ............................................................................. 17 1.1.1 Common Features...................................................................................... 17 1.2 GPSCards............................................................................................................ 18 1.2.1 OEM4-G2L GPSCard................................................................................. 18 1.2.2 OEM4-G2 GPSCard................................................................................... 19 1.3 Enclosures ........................................................................................................... 20 1.3.1 FlexPak....................................................................................................... 21 1.3.2 ProPak-G2plus ........................................................................................... 22 1.3.3 ProPak-LBplus............................................................................................ 23 2 Receiver System Overview 25 2.1 GPSCard.............................................................................................................. 26 2.1.1 Radio Frequency (RF) Section................................................................... 26 2.1.2 Digital Electronics Section.......................................................................... 26 2.2 Enclosure and Wiring Harness ............................................................................ 26 2.3 GPS Antenna ....................................................................................................... 26 2.3.1 Optional LNA Power Supply....................................................................... 26 2.4 Principal Power Supply ........................................................................................ 27 2.5 Data Communications Equipment ....................................................................... 27 3 Installation and Set Up 28 3.1 Additional Equipment Required ........................................................................... 28 3.1.1 Selecting a GPS Antenna........................................................................... 28 3.1.2 Choosing a Coaxial Cable.......................................................................... 28 3.1.3 Power Supply Requirements...................................................................... 29 3.2 Installation Overview............................................................................................ 30 3.2.1 Installing a GPSCard in a Wiring Harness and Enclosure.......................... 31 3.2.2 Mounting the GPS Antenna........................................................................ 34 3.2.3 Connecting the Antenna to the Receiver.................................................... 34 3.2.4 Applying Power to the Receiver ................................................................. 35 3.2.5 Connecting Data Communications Equipment........................................... 35 3.3 Additional Features and Information .................................................................... 36 3.3.1 Strobes ....................................................................................................... 36 3.3.2 USB (OEM4-G2/-G2L, FlexPak and ProPak-G2plus Only)........................ 38 3.3.3 Status Indicators......................................................................................... 38 OEM4 Family Installation and Operation User Manual Rev 19 3 Table of Contents 3.3.4 External Oscillator (OEM4-G2/-G2L and ProPak-G2plus Only) .................39 3.3.5 External Antenna LNA Power (OEM4-G2 Only) .........................................40 3.3.6 Mounting Bracket (ProPak-G2plus and ProPak-LBplus Only)....................40 4 Operation 41 4.1 Communications with the Receiver ......................................................................42 4.1.1 Serial Port Default Settings.........................................................................42 4.1.2 Communicating Using a Remote Terminal .................................................42 4.1.3 Communicating Using a Personal Computer..............................................42 4.2 Getting Started .....................................................................................................43 4.2.1 Starting the Receiver ..................................................................................43 4.2.2 Remote Terminal, PC and GPS Receiver...................................................44 4.3 Transmitting and Receiving Corrections...............................................................45 4.4 Enabling SBAS Positioning ..................................................................................47 4.5 Enabling L-Band Positioning (ProPak-LBplus Only).............................................47 4.6 Pass-Through Logging .........................................................................................48 4.7 Transferring Time Between Receivers .................................................................50 4.7.1 Procedures..................................................................................................50 5 Message Formats 52 5.1 RTCA-Format Messages......................................................................................52 5.1.1 RTCA1 ........................................................................................................52 5.1.2 RTCAEPHEM Type 7...............................................................................53 5.1.3 RTCAOBS Type 7 ....................................................................................53 5.1.4 RTCAREF Type 7 ....................................................................................54 5.2 RTCM-Format Messages .....................................................................................54 5.2.1 RTCM1........................................................................................................55 5.2.2 RTCM3 Base Station Parameters (RTK) ....................................................56 5.2.3 RTCM9 Partial Satellite Set Differential Corrections...................................56 5.2.4 RTCM15 Ionospheric Corrections...............................................................57 5.2.5 RTCM16 Special Message .........................................................................58 5.2.6 RTCM18 and RTCM19 Raw Measurements (RTK)....................................58 5.2.7 RTCM20 and RTCM21 Measurement Corrections (RTK) ..........................59 5.2.8 RTCM22 RTCM Extended Base Station Parameters (RTK) ......................59 5.2.9 RTCM59 Type 59N-0 NovAtel Proprietary Message (RTK) .......................59 5.3 RTCM Version 3.0 (RTCMV3) Messaging ...........................................................60 5.3.1 RTCM1001-RTCM1004 GPS RTK Observables ........................................60 5.3.2 RTCM1005 & RTCM1006 RTK Base Antenna Reference Point (ARP) .....61 5.4 CMR Format Messaging ......................................................................................61 5.4.1 Using RT-2 or RT-20 with CMR Format Messages ....................................62 5.5 NMEA Format Data Logs .....................................................................................63 6 Positioning Modes of Operation 64 6.1 Single-Point ..........................................................................................................64 6.1.1 GPS System Errors.....................................................................................66 6.2 Satellite-Based Augmentation