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Garmin 18 - Specifications

Garmin 18
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6
GMR 18 Marine Radar Installation Instructions
Specications
Unit Dimensions: 18" (457 mm) D x 8.9" (226 mm) H
Radar Scanner Weight: Unit 15.8 lbs (7.17 kg); cable 8.4 lbs (3.81 kg)
Range Scales (Range Rings): 1/8 nm (1/32 nm) to 36 nm (9 nm)
Power Output: 4 kW
Power Input Source: 10.5-35 VDC 33.5 W
Operating Temperature Range: 5° F (-15° C) to 140° F (60° C), and a relative humidity up to 95% at 95° F (35° C)
Beamwidth: Horizontal beamwidth of 5° nominal / Vertical beamwidth of 25° nominal
Range: 36 nm
Wind Velocity: Wind speed up to 100 Kts
Antenna RPMs: 24/30 rpm
Range Ring Accuracy: 20m or ± 1.5% of range scale, whichever is greater
Minimum Range: 20 meters
Range Discrimination: 20 meters
RF Transmit Frequency: 9410 ± 30 MHz

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