NovAtel STEADYLINE Firmware

NovAtel STEADYLINE Firmware

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STEADYLINE technology reduces position jumps that can occur when a GNSS receiver changes positioning modes.

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Overview

NovAtel’s STEADYLINE technology reduces position jumps that can occur when a GNSS receiver changes positioning modes. This effect is especially evident when a receiver transitions from a high accuracy RTK position solution to a lower accuracy solution such as PPP (TerraStar), DGPS, SBAS+GLIDE or even autonomous GLIDE. Smooth transitions are extremely important for precision agricultural steering applications where sudden jumps are disruptive.

STEADYLINE internally monitors the position offsets between all the positioning modes in the receiver. When the current positioning mode becomes unavailable, the receiver automatically transitions to the next most accurate positioning mode. To handle the transition, STEADYLINE supports multiple accuracy modes including Maintain, Transition and Prefer Accuracy.

Features

  • Works with RTK, PPP and autonomous solutions
  • Three types of accuracy modes available to optimize steering performance
  • Allows user to set accuracy levels for reporting operational, warning and out of bounds limits
  • Smooths transitions between changes in position mode types – reduces position jumps
  • Ideal for agricultural and machine guidance systems

Options

Maintain

When the receiver transitions to a different positioning mode, it maintains the position offset calculated to limit a potential real position jump. The receiver continues to apply the position offset to all positions calculated in the new positioning mode.

Transition

When the receiver transitions to a different positioning mode, the position offset is applied to the calculated position to limit a potential real position jump. The position then slowly transitions to the new reference position type over a user specified period of time.

Prefer Accuracy

In Prefer Accuracy mode, the positioning mode change depends on the accuracy level of the positioning modes. When the position mode changes from a more accurate to a less accurate mode the receiver uses the Maintain option. When the position mode changes from a less accurate to a more accurate mode the receiver uses the Transition option.

User Accuracy Levels

User accuracy levels can be set to change the solution type in the GPGGA and BESTPOS messages. When User Accuracy Level mode is used along with STEADYLINE, the accuracy mode is adjusted based on the current estimated accuracy.

Ordering

For further information on NovAtel STEADYLINE firmware, please use the Request Pricing form to contact Canal Geomatics.