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SP - 1 E3494S01F
SPECIFICATIONS OF THE MARINE RADAR
MODEL 1722/1732/1742/1762
MODEL 1722C/1732C/1742C/1762C
1. GENERAL
1.1. Indication System
M1722/1732/1742/1762 PPI Daylight display, raster scan, 4 tones monochrome LCD
M1722C/1732C/1742C/1762C PPI Daylight display, raster scan, color LCD
1.2. Range, Pulse length (PL) & Pulse Repetition Rate (PRR)
Range (nm) Pulse length (µs) PRR (Hz
approx.)
0.125 to 1.5 0.08 2100
1.5 to 3 0.3 1200
3 to 48* 0.8 600
*Maximum Range: M1722/C: 24nm, M1732/C: 36nm, M1742/C: 36nm, M1762/C: 48nm
1.3. Range Resolution 29 m
1.4. Bearing Resolution M1722/C: 6.7°, M1732/C: 5.5°, M1742/C: 5.0°, M1762/C: 3.9°
1.5. Minimum Range 41 m
1.6. Bearing Accuracy ±1°
1.7. Range Ring Accuracy 0.9 % of range or 8 m, whichever is the greater
2. SCANNER UNIT
2.1. MODEL1722/C:
2.1.1. Radiator Micro-strip
2.1.2. Polarization Horizontal
2.1.3. Antenna Rotation Speed 23 rpm nominal
2.1.4. Radiator Length 45 cm
2.1.5. Horizontal Beamwidth less than 5.2°
2.1.6. Vertical Beamwidth 25°
2.1.7. Sidelobe Attenuation less than -20 dB
2.2. MODEL1732/C:
2.2.1. Radiator Printed waveguide array
2.2.2. Polarization Horizontal
2.2.3. Antenna Rotation Speed 24 rpm nominal
2.2.4. Radiator Length 60 cm
2.2.5. Horizontal Beamwidth less than 4°
2.2.6. Vertical Beamwidth 20°