u-blox (SIX:UBXN), a global leader in wireless and positioning technologies, announced today that Japan-based Aerosense Inc. has commercialized its AEROBO® Marker solution for drone surveying using the u blox NEO M8T timing module. Conceived to compute absolute time to within 20 nanoseconds using incoming GNSS signals, the NEO-M8T lets users access RAW GNSS data output, making it attractive for positioning applications that rely on post-processing GNSS data to enhance location accuracy.

Aerosense’s surveying solution is designed to reduce the time spent surveying construction sites. By combining ground markers equipped with a GNSS receiver with surveying drones and cloud-based data processing, they have converted huge workloads into a user friendly application for anyone.

The surveying operation on the site involves setting up ground markers fitted with u blox NEO M8T high performance GNSS receivers. The smart ground markers send the GNSS data they receive to the cloud, where it is post-processed using a static surveying algorithm to achieve high accuracy.

AEROBO’s solution can transform high-resolution drone images into a survey-accurate map by using the absolute geographic coordinates of specific points on the surveyed terrain. Images gathered by overflying the terrain with the drones are combined to create centimeter-precise outputs, including orthomap views, 3D models, and point clouds.

The challenge that engineers at Aerosense faced while developing their solution was achieving sufficiently high position accuracy. “We found a robust solution to the accuracy challenge by using the u blox NEO M8T high performance positioning module,” says Mr. Satoru Shimizu, Project Leader of AEROBO Marker, Technology Development Dept. at Aerosense Inc.

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