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Reading Scan Results

As the drone flies over the selected area, scan results are updated on the map in real-time. Each grid cell is colored based on the probability of a detected underground object.

Scan interpretation showing color-coded grid: gray for unstable readings, green for clear, yellow/red for targets

Color Legend

ColorMeaning
GraySensor reading was invalid — unstable drone flight (wind or other disturbance)
GreenNothing detected
YellowHigh probability of an object
RedHighest probability of an object

Tips for Interpreting Results

  • Red and yellow cells mark areas worth investigating further. The strongest signal (darkest red) is closest to the target's actual position.
  • Gray cells indicate a flight disturbance at that moment. Re-scan those rows on a calmer day or at a lower altitude.
  • Blank / missing cells mean either the sensor signal was lost (check the Link indicator) or the drone had insufficient GPS signal at that location.

Improving Scan Accuracy

IssueSolution
Many gray cellsFly slower and lower; avoid windy conditions
Blank cellsCheck antenna connections; ensure the drone has a clear view of the sky
Results look noisyReduce sensor sensitivity or use a custom sensitivity profile
DroneRover
DroneRover
Aerial Underground Scanner — DJI Phantom 4 Advanced
€5,299· ★★★★½ 4.9 (18 reviews)
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DroneRover — free iOS app required to operate the system
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