These high contrast, double-sided ground markers help to increase accuracy during a drone survey.

They feature dark and light target markers for use against different backgrounds.

Ground markers, also known as ground control points (GCPs), are targets on the ground with known coordinates. They can be used to provide reference points to help collect correct and accurate survey data.

• Large, waterproof ground control targets - 350x350 mm
• Survey points for use with drones
• Can be fixed to the ground with tent pegs
• Recommended for use with non-RTK mapping missions