White Papers
In-depth technical papers, industry analyses, and technology deep-dives on GNSS positioning, RTK, interference resilience, and precision navigation across commercial sectors.
Featured Paper
RTK vs PPK: Choosing the Right Correction Method for Your Application
A comprehensive comparison of Real-Time Kinematic (RTK) and Post-Processed Kinematic (PPK) GNSS correction methods. Covers latency trade-offs, data link requirements, accuracy characteristics, and application suitability across UAV, survey, and agriculture use cases. Includes practical decision framework and worked examples.
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Multi-Constellation GNSS: Why More Signals Mean Better Positioning
Explains how simultaneous GPS, GLONASS, Galileo, and BeiDou tracking improves availability, accuracy, and resilience in challenging environments including urban canyons and high-latitudes.
GNSS Jamming and Spoofing: Detection, Mitigation, and Protection
Technical overview of RF interference threats to GNSS receivers. Covers jamming types, spoofing attack vectors, AIM+ interference mitigation, and OSNMA signal authentication for civilian applications.
Achieving Centimetre RTK: Base Station Design and Correction Delivery
Practical guide to designing and deploying RTK correction infrastructure. Covers base station siting, NTRIP vs radio correction delivery, latency effects on RTK initialisation, and CORS network integration.
Industry Application Papers
High-Accuracy GNSS for Drone Photogrammetry: RTK, PPK, and GCP Trade-offs
Technical analysis of positioning methods for drone mapping missions. Compares RTK direct georeferencing, PPK post-processing, and ground control point workflows for photogrammetric accuracy, efficiency, and cost.
Sub-Centimetre Auto-Steer: GNSS Heading and Positioning for Agricultural Machinery
Covers dual-antenna GNSS heading for tractor auto-steer, pass-to-pass accuracy requirements, correction source options (NTRIP, PPP-RTK, RTX), and integration with AgOpenGPS and OEM displays.
GNSS + IMU Sensor Fusion for Outdoor Autonomous Robots
Technical paper on fusing GNSS position and heading with IMU data for outdoor robot localisation. Covers EKF filter design, ROS robot_localization integration, handling GNSS outages, and performance benchmarking.
GNSS for Vessel Positioning and Hydrographic Survey
Covers marine antenna installation, multi-antenna heading for dynamic positioning, NMEA 0183 integration with chart plotters and autopilots, and best practices for hydrographic data collection.
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All white papers are available free of charge. Contact us with the paper title and your application area — we’ll send the PDF directly to your inbox.