... receive Channels: 20 channels all-in-view trackingPosition Accuracy: 10 meters, 2D RMSVelocity Accuracy: 0.1 m/sTime Accuracy: 1 us ... start: 42 sec., averageAltitude Limit: 18,000 meters (60,000 feet) max.Velocity Limit: 515 meters/second (1000 knots) max.LED: 2 ...