Tractor guidance system
Author: GPS World

The AgGPS Autopilot from Trimble automatically steers tractors. The GPS controller is connected to the tractor's power steering mechanism and an in-cab display allows for field pattern selection and operating parameters. The AgGPS 214 has reported centimeter accuracy with real-time kinematic (RTK) processing, nine-channel L1/12 full cycle carrier, CMR and RTCM correction input, 1 PPS output, three programmable RS-232 ports, with RTK fixed, RTK float and DGPS modes. The AgGPS 214 is a 12-channel dual-frequency carrier phase receiver with an update rate of 10 Hz standard, or 20 Hz via an optional MS750 upgrade package. Trimble, Sunnyvale, California.

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