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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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