Trimble Kestrel System

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kestrel.png

Trimble Kestrel System

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The Trimble Kestrel System provides the user with high rate GNSS and accelerometer data, full epoch-to-epoch measurement integrity and, using the Trimble SeismoGeodetic App, the ability to create a combined GNSS and accelerometer stream (200 sps high resolution displacement time series) in real-time.

The system has been designed and built using the latest technology and includes the following advanced features:

  • Combined true acceleration (200 sps) and displacement (10 sps) observations: GNSS displacement processing from on board receiver (Trimble® CenterPoint™ RTX™ technology)

  • Instantaneous processed displacements recorded and transmitted from the receiver

  • ANSS Class A: Force-Balance Accelerometer, triaxial (internal)

  • GNSS receiver with the latest Trimble-precise Maxwell™6 processor supporting tracking GPS, GLONASS, and Galileo frequencies

  • Unified recording format of both seismic and geodetic data

  • Low power

  • Rapid data transmission algorithm

  • Error-correction protocol with backfill algorithm for data integrity

  • τc and Pd calculation in real-time for EEW

  • Raw data post processing using:

  • Forward Kalman filter

  • Backward Kalman filter

  • Smoothing with forward-backward filter

  • User defined filter parameters

  • Different geodetic antenna options

  • Low maintenance

  • Data modules for high resolution acceleration and displacement data (10 or 200 sps) to real-time processing software: Earthworm and SeisComp3

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