Ground Truth

Independent, field-tested guidance on drone & handheld mapping for Australian teams — platform selection, accuracy, compliance and data workflows.

FJD Trion V10 rover on a carbon pole under open sky, RTK Fixed 43 of 43 on the rover screenInsights

Ground Truth

Sep 13, 2026

A held RTK fix is what puts a flight, a walk and a stakeout on one grid

RTK GNSS is how a scan and a flight stop arguing about the kerb....

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AUSCORS NTRIP: the correction network that makes your drone and handheld scanner survey-gradeInsights

Ground Truth

Sep 02, 2026

AUSCORS NTRIP: the correction network that makes your drone and handheld scanner survey-grade

AUSCORS NTRIP is Geoscience Australia's no-charge RTK stream. Account, caster, mount names like ALIC00AUS0,...

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Night overhead of an active construction pad. The measured site a drone model can overlay on the design BIMBest Practices

Ground Truth

Aug 29, 2026

A drone model is not a BIM. It is the measured site you overlay on the one you drew.

Tenders say digital twin and mean a current, georeferenced 3D you can fly again....

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DJI Terra reconstruction of a point cloud used for a repeated mapping outputComparison

Ground Truth

Feb 06, 2026

Terra builds the model. Modify cleans the mesh. Repeated surveys live or die on the coordinate system.

Terra turns a flight into a measurable file. Modify repairs a mesh you already...

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DJI Pilot 2 on a mapping aircraft: mechanical shutter on, dewarping off. The PPK prep the live fix still needsComparison

Ground Truth

Feb 06, 2026

D-RTK 3 Relay versus the Multifunctional Station: which one actually holds the coordinates

Relay Fixed Deployment is a pad link. The Multifunctional Station is the portable base,...

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