Appendix > Specifications

Appendix

Specifications

Unit Dimensions: 24" D x 8" H (610 mm x 205 mm)

Cable Length: 15 meters

Radar Scanner Weight: Unit 26 lbs; cable 8.35 lbs

Range Scales (Range Rings)

GMR 21—1/8 nm (1/32 nm) to 24 nm (6 nm)

GMR 41—1/8 nm (1/32 nm) to 36 nm (9 nm)

Power Output

GMR 21—2 kW

GMR 41—4 kW

Power Input Source: 10.5–35 VDC, 28 W

Operating Temperature Range: -15°C to 70°C, and a relative humidity up to 95% at 35°C

Beamwidth: Horizontal beamwidth of 3.6° nominal / vertical beamwidth of 25° nominal

Wind Velocity: Wind speed up to 100 kts

Antenna RPMs: 24 rpm

Range Ring Accuracy: 20 meters or +/- 1.5% of range scale, whichever is greater

Bearing Accuracy: 1 degreeMinimum Range: 20 metersRange Discrimination: 20 metersSensitivity and Tune Controls: Gain, Sea Clutter, Rain Clutter, Frequency Tune

FTC: Low, Medium, High

Radar/Chart Synchronization: Overlay Mode; split overlay with standard radar presentation.

Off Center Function: Look Ahead, Auto Shift, and Manual

RF Transmit Frequency: 9410 ± 30 MHzWaterproofing: IEC 60529 IPX7Interference Rejection: Anti-jamming algorithm

MARPA: Tracks up to 10 targets

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GMR 21/41 Owner’s Manual