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...

Read article

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...

Read article
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...

Read article