GPS satellite compass
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5.7 inch high visibility LCD display
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Roll, pitch, ROT, heave integrated
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Heading accuracy 0,5º
- High speed tracking response (ROT 45º/ sec)
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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