Ground Truth

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

DJI Terra 5.3 2D thermal infrared map with temperature scale and material emissivity set from the datasetComparison

Ground Truth

Sep 13, 2026

4E vs 4T: Terra 5.3 still does not make them the same aircraft

Terra 5.3 can stitch a 2D thermal map with temperatures. That is an inspection...

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A site grid with five chequered ground control targets, four round check points and an RTK base on a tripod beside it

Ground Truth

Aug 25, 2026

Do you still need ground control points with RTK? A practical answer for Australian sites

RTK puts every photo close to the right place. Check points prove it. When...

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A drone above a row of trees with laser lines reaching the ground between them

Ground Truth

Aug 11, 2026

What a LiDAR drone kit involves in Australia, and whether you need one

A LiDAR drone is a kit, not a payload: aircraft, sensor, RTK, software and...

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When Matrice 400 is the wrong aircraftComparison

Ground Truth

Feb 06, 2026

When Matrice 400 is the wrong aircraft

Buy M400 when payload or L3 actually constrains you. Matrice 4-class for inspection and...

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