Specifications

GMR 18

Unit Dimensions:

457 mm (18") D x 236.40 mm (9 5/16") H

Radar Scanner Weight:

Unit 7.17 kg (15.8 lbs); cable 3.81 kg (8.4 lbs)

Range Scales:

1/8 nm (with 1/32 nm range rings) to 36 nm (with 9 nm range rings)

Power Output:

4 kW

Power Input Source:

10.5-35 VDC 33.5 W

Operating Temperature Range:

-15° C (5° F) to 60° C (140° F), and a relative humidity up to 95% at 35° C (95° F)

Beamwidth:

Horizontal beamwidth of 5° nominal / Vertical beamwidth of 25° nominal

Range:

66.67 km (36 nm)

Wind Velocity:

Wind speed up to 100 Kts

Antenna RPMs:

24 or 30 rpm

Range Ring Accuracy:

20m or ± 1.5% of range scale, whichever is greater

Minimum Range:

20 meters (65 feet)

Range Discrimination:

20 meters (65 feet)

RF Transmit Frequency:

9410 ± 30 MHz

GMR 24

Unit Dimensions:

610 mm (24") D x 248.9 mm (9 13/16") H

Radar Scanner Weight:

Unit 9.12 kg (20.1 lbs); cable 3.81 kg (8.4 lbs)

Range Scales:

1/8 nm (with 1/32 nm range rings) to 48 nm (with 12 nm range rings)

Power Output:

4 kW

Power Input Source:

10.5-35 VDC 33.5 W

Operating Temperature Range:

-15° C (5° F) to 60° C (140° F), and a relative humidity up to 95% at 35° C (95° F)

Beamwidth:

Horizontal beamwidth of 3.6° nominal / Vertical beamwidth of 25° nominal

Range:

88.89km (48 nm)

Wind Velocity:

Wind speed up to 100 Kts

Antenna RPMs:

24 or 30 rpm

Range Ring Accuracy:

20m or ± 1.5% of range scale, whichever is greater

Minimum Range:

20 meters (65 feet)

Range Discrimination:

20 meters (65 feet)

RF Transmit Frequency:

9410 ± 30 MHz

GMR 18/24 Marine Radar Installation Instructions