Knowledge base
The concepts and principles behind drone surveys, explained clearly. Intended for anyone who works with drone data or commissions it.
Accuracy
Ground control points (GCPs) explained
What are ground control points, why are they crucial and how many do you need?
Accuracy
RTK and PPK: georeferencing without many ground points
How RTK and PPK determine the drone's position to the centimetre — and what the difference is.
Image quality
What is GSD (ground resolution)?
GSD determines how much detail an orthophoto shows. Here is how it relates to flight height and accuracy.
Regulations
Drone regulations in Belgium (EASA)
Which rules apply to professional drone use in Belgium? A concise overview.
Data & formats
Point clouds: LAS, LAZ and classification
What is a point cloud, what do LAS and LAZ mean, and why is classification useful?
Georeferencing
Coordinate systems: Lambert 72 and ETRS89
Why a survey must be in the right coordinate system, and what Lambert 72 and ETRS89 are.
Ready to plan your flight?
Licensed surveyor-expert and certified drone pilot. Ask for advice or a quote, no obligation.