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TRANSFORMING THE WAY THE WORLD WORKS TECHNICAL PUBLICATION Superior performance under challenging GNSS environments, with groundbreaking measurement management that leverages the latest developments in GNSS and Inertial sensor fusion. INTRODUCTION In 1992, Trimble® released the world's first commercial GPS (Global Positioning System) receiver capable of performing centimeter accurate Real Time Kinematic (RTK) positioning. Although this first generation system required the user to position the rover over a known location to initialize the system, it was revolutionary for land surveyors enabling topographic mapping, stakeout and Trimble ProPoint Engine - Next Generation Centimeter Positioning and Orientation as-built surveys in real-time. Follow-on applications such as construction machine control and agriculture resulted in positioning engines that have delivered rapid on-the-fly initializations and high update rate, low latency positions. This technical bulletin provides an overview of the Trimble ProPoint™ Engine, the fifth generation RTK/ RTX precision positioning engine, engineered to provide positions and orientation from the fusion of GNSS signals, worldwide correction services and measurement data from a variety of sensors. SYSTEM ARCHITECTURE Support for the latest constellations and frequencies The space segment of the world's Global Navigation Satellite System (GNSS) is

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