Documentation Contents


The documentation referenced here describes the installation, configuration and use of the novatel_oem7_driver for ROS (henceforth "the driver").

The driver is for Hexagon | NovAtel® OEM7® GNSS devices, or OEM7 devices running the SPAN GNSS+INS sensor fusion engine, such as the PwrPak7 family of products. It allows NovAtel OEM7 devices to communicate via the ROS framework in a simple, flexible, and comprehensive way.

This document focuses on use of the prebuilt binary version of the NovAtel OEM7 ROS driver. For modifying and installing the ROS driver from source code, refer to the NovAtel GitHub ROS driver repository at GitHub.

For full documentation on NovAtel OEM7 products and their interface, refer to:

novatel_oem7_driver is the only ROS driver produced and supported by NovAtel Inc.

About Hexagon | NovAtel

Hexagon is a global leader in sensor, software and autonomous solutions. We are putting data to work to boost efficiency, productivity, and quality across industrial, manufacturing, infrastructure, safety, and mobility applications.

Our technologies are shaping urban and production ecosystems to become increasingly connected and autonomous — ensuring a scalable, sustainable future.

NovAtel, part of Hexagon, is a global technology leader, pioneering end-to-end solutions for assured positioning for land, sea, and air. NovAtel designs, manufactures and sells high precision positioning technology developed for efficient and rapid integration. Its solutions are empowering intelligent positioning ecosystems in vital industries that depend on the ability to tackle the most complex challenges in the most demanding environments. Learn more at novatel.com.

novatel_oem7_driver Documentation

Here are links to sub-pages to help with use of the novatel_oem7_driver.

Supported ROS Releases

novatel_oem7_driver currently supports these ROS releases:

Release History

See Change Log.

Documentation Pages

  1. Hardware Setup

  2. Binary Driver Installation

  3. Driver Configuration

  4. Driver Runtime Operation

  5. Position Generation

  6. IMU Support

  7. NMEA Sentence Support

  8. Post-Processing data

Appendix Pages

  1. novatel_oem7_driver/manual_receiver_communications

  2. Advanced Topics

  3. Relevant Products and Services

  4. Driver Source Code

  5. ROS1 Topic Mapping

Known Issues

Known Issues are communicated via the Issues section of the driver's GitHub repository, located here:

  1. Known issue where outdated position information is output to /gps/gps and /gps/fix ROS topics

Use the 'Watch' feature in GitHub if you would like to receive updates for the driver repository.

Additional Support Resources

OEM7 Commands and Logs

The NovAtel OEM7 Documentation Portal offers extensive documentation both online and in PDF form.

NovAtel Customer Support

Part of the great value in using NovAtel products and services is the availably of extremely qualified technical support, generally at no additional charge. To get support with the novatel_oem7_driver, please contact NovAtel Customer Support.

New Feature Requests

New feature requests for the ROS driver may be registered and voted for in the Issues section of the driver's GitHub repository, located here:


NovAtel gives away a comprehensive and free ebook that gives an excellent overview of many key concepts related to precise positioning in their Introduction GNSS Handbook, available here:
Introduction GNSS Handbook

Wiki: novatel_oem7_driver (last edited 2023-04-18 22:13:54 by NovAtelApplicationsEngineering)