Advantages

Low cost (no airfields, on-board pilots, launching pads, fuel costs, maintenance, …)

High ground resolution, up to 30 cm per pixel High precision, greater positioning accuracy (sensors can deliver data to within 10 to 15 cm accuracy of crops, buildings, water levels, …)

Short data renewal cycle (critical for change detection and monitoring)

Wide visual scope

Several weeks uninterrupted flying time, no refuelling

One central database (fast and uniform data processing and communication)

Environment friendly (no pollution)