White paper: Enhancing Trimble Applanix POSPac INFusion+ PP-RTX performance in urban canyons

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Urban canyons present dynamic challenges for GNSS positioning in the form of multipath, signal blockage and interference. This article demonstrates how Trimble harnesses the code bias method to improve Trimble Applanix POSPac IN-Fusion+ PP-RTX performance in these unforgiving environments.

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Automotive
Field Robotics
Marine
Surveying & Mapping
Land Mobile Mapping
LiDAR Mapping
Photogrammetry
Reality Capture
Automation
HD Maps
Inertial Navigation
Navigation Systems
Spatial Intelligence
Correction Services
Georeferencing Software
GNSS Positioning
Inertial Positioning and Orientation
Precise Positioning
White Paper
© 2026 Trimble Inc.

Trimble is a global technology company that connects the physical and digital worlds, transforming the ways work gets done. With relentless innovation in precise positioning, modeling and data analytics, Trimble enables essential industries including construction, geospatial and transportation. Whether it's helping customers build and maintain infrastructure, design and construct buildings, optimize global supply chains or map the world, Trimble is at the forefront, driving productivity and progress.