| dGNSS | differential Global Navigation Satellite System |
| FIS | Fédération Internationale de Ski |
| IMU | inertial measurement unit |
| LoA | limit of agreement |
| MAE | mean absolute error |
| PTZ | pan–tilt–zoom |
| SEM | standard error of the mean |
| UWB | ultra-wideband |
| WRTTS | wearable real-time tracking system |
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