JLN-900 Speed Log vs GEOLOG Dual-Axis GNSS Speed Log System
Integrated Bridge Systems comparison
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2 products
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The JRC (Navigation) JLN-900 Speed Log and AMI Marine GEOLOG Dual-Axis GNSS Speed Log System are both integrated bridge systems products certified to MED.
GEOLOG Dual-Axis GNSS Speed Log System
Specification comparison
Specification
JLN-900 Speed Log
GEOLOG Dual-Axis GNSS Speed Log System
Measurement Method
Acoustic correlation
Frequency (STW)
3.8 - 4.2 MHz
Frequency (SOG)
150 kHz
Speed Range (STW)
± 50 knots
Speed Range (SOG)
40 (any direction) knots
Speed Accuracy (STW)
0.1 knot or 1.0%
Speed Accuracy (SOG)
0.2 knots or 2.0%
Distance Range
9999.99 NM
SOG Depth Range
2 - 250 m
Minimum Depth (STW)
3 m
Weight (Signal Processor NJC-80)
18 kg
Weight (Signal Distributor NQA-4480)
20 kg
Weight (Main Display NWW-82)
0.6 kg
Weight (Transducer CFT-780)
23 kg
Weight (Sea Valve NKF-980)
125 kg
Power Supply
100 / 115 / 220-230 VAC, 47.5-63 Hz
Power Consumption
50 VA
Axes
2 (fore/aft and athwartships)
Sensor Configuration
Single sensor
Measurement Type
Speed over ground (GNSS)
Certification comparison
Certification
JLN-900 Speed Log
GEOLOG Dual-Axis GNSS Speed Log System
MED
✓
✓
SOLAS
✓
— Not listed
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Data sources
GEOLOG Dual-Axis GNSS Speed Log System
Data from amimarine.com ·
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