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Modular RTK GPS sensor with built-in radio modem delivers centimeter-level accuracy in flexible package

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Applications

The RT-3020S is packaged for mobility. It can be used for construction stakeout, boundary surveys, high order control surveys, and topographic surveys in rough terrain. The system can be powered from portable, rechargeable batteries, which allow for a full day's operation.

The RT-3020M is a real-time kinematic (RTK) sensor specifically designed for machine control applications in construction, agriculture, mining and military. Machine control dynamic environments require virtually instantaneous position reports multiple times per second. The RT-3020M delivers position updates computed at up to 25-Hz with less than 20ms latency. The horizontal accuracy of 1 cm or better and the vertical accuracy of 2 cm or better are maintained as each output is independently calculated based on an actual GPS position measurement, as opposed to an extrapolation between 1Hz measurements.

Benefits

The receivers use our NCT-2000D GPS engine, which incorporates the next generation of interference suppression, multi-path mitigation, and measurement accuracy. With a signal-to-noise ratio advantage over competing technology, the user benefits from improved real-time positioning with instantaneous centimeter-level accuracy.

The RTK algorithm developed by NavCom provides fast initialization and the NCT ultra compact binary data format for RTK ensures robust data throughput on the built-in spread spectrum radio. The sensor can utilize RTCM and CMR data streams from other base stations to minimize base rover separation. Each RT-3020 can be used as either a Base or a Rover to meet your changing needs as the survey progresses.

For GIS applications, your base station can be used as another rover. The two onboard WAAS/EGNOS channels, NavCom's enhanced SBAS algorithm and dual frequency GPS typically provide half-meter real-time accuracy.

Flexible Interface

The RT-3020 receiver is easily configured by the provided Windows®- based utility program. For system integrators needing maximum flexibility, the receivers offer NavCom's binary user interface that allows complete command and control of the GPS and spread spectrum radio receivers, thus enabling customization of the interface and receiver operation.

Features

• “All-in-view" tracking on 22 channels (10 L1/L2 GPS + 2 SBAS)
• L1 & L2 full wavelength carrier phase tracking
• 2 dedicated WAAS/EGNOS channels
• C/A, P1 & P2 code tracking
• RTK processing with on-the-fly initialization
• User configurable as base or rover
• User programmable measurement and navigation data rates
• Integrated Spread Spectrum Radio (SSR)
• 64 MB Internal memory for data recording
• NavCom’s ultra compact RTK format, RTCM v3.1, or CMR
• Output NMEA 0183 or NavCom binary format
• Superior interference suppression
• Patented multipath rejection
• LED Display for GPS, Link, and Base
• CAN bus interface (RT-3020M Only)
• 1PPS output (RT-3020M Only)
• Event Marker input (RT-3020M Only)