High Precision
RTK GPS modules take navigation accuracy from metres down to centimetres. The Holybro H-RTK line with F9P and UM982 chips covers rovers for the drone as well as a base station for corrections, including dual antenna variants for precise heading without a compass.
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How RTK works
A ground base station knows its exact position and sends corrections to the rover on the drone. The result is centimetre accuracy, which photogrammetry, precision agriculture and repeatable inspection missions demand.
What you will need
- Rover: an RTK module on the drone (H-RTK F9P Rover, UM982)
- Correction source: your own base station (F9P Base, SIYI combo), or network corrections
- Autopilot: Ardupilot or PX4 on a flight controller with RTK support
A dual antenna (UM982, mosaic-H) also determines heading where metal structures interfere with the compass. We are happy to help you design an RTK setup.