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Surveying solution with drone using high performance positioning technology

u-blox announces that Japan-based Aerosense Inc has commercialised 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 centimetre-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 Satoru Shimizu, Project Leader of AEROBO Marker, Technology Development Dept. at Aerosense Inc.

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