Ground Control Target unfolded 650x650 mm with circle on both sides

Large, waterproofed target markers UV resistant Size 350 x 350 mm closed, 650 x 650 mm opened Fixed points for use with drones A central hole permits exact calibration by GPS Can be secured to the ground with tent pegs Can be used lots of times Ideal for heights above 100 meters Marker visibility is device and weather-dependentThe ground marks are printed on both sides: RSL532XL (red - white / black - white), RLS512XL (black - white / white - black).Depending on the background, the lighter or darker side can be used.