JRC JLR-21
JRC JLR-21 - Image 2
GPS COMPASS
JRC JLR-21

GPS satellite compass

  • 5.7 inch high visibility LCD display

  • Roll, pitch, ROT, heave integrated

  • Heading accuracy 0,5º

  • High speed tracking response (ROT 45º/ sec)
Product Information
Description

 

The JLR-21 GPS compass continues the success of its predecessor, reaching a new level of performance and stability with many new features and enhancements. This system is also known as a 3D Dynamic Sensor™, which besides giving heading information, is designed to provide highly accurate information of the ships movement in all axis.

The JLR-21 has heave functionality built-in as standard. In rough ocean conditions (with high waves), the GPS compass can correct up and down (attitude), movement. JLR-21 supports Speed Over Ground (SOG) and Course Over Ground (COG). The position, SOG and COG are updated every 200 milliseconds (which is 5 times faster than previous model JLR-20), delivering high accuracy.

 

JLR-21 and JLR-31 Comparison

  Model   JLR 21    JLR-31   Conclusion
  Specifications
     Accuracy      0.5º RMS      0.25º RMS      JLR-31 is idea for vessels needing
     higher precision
     3D dynamic
     sensor		      ROT of
     45º/second		      ROT of
     45º/second		      JLR-31 performs better in rough
     conditions
     Heave
     functionality		      Available       Available       JLR-31 better in correcting heave
      in rough seas 
     Applications      Suitable for
     vessels ≤ 500GT		     Suitable for
    vessels ≤ and > 500G		       JLR-31 suits larger ships and more
      precision operations 
     Display and 
     integration		      5.7 – inch high 
     visibility LCD		      5.7 – inch high 
     visibility LCD		      JLR-31 integrates better with complex
     systems 

 

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