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SP - 1 E3494S01J
SPECIFICATIONS OF THE MARINE RADAR
MODEL 1722/1732/1742/1752/1762
MODEL 1722C/1732C/1742C/1752C/1762C
1. GENERAL
1.1 Indication System
M1722 series PPI Daylight display, raster scan, 4 tones monochrome LCD
M1722C series 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, M1732/1742/1752 (C): 36nm, M1762/C: 48nm
1.3 Range Resolution M1722/1732/1742/1762 (C): 29 m, M1752/C: 39 m
1.4 Bearing Resolution M1722/C: 6.7°, M1732/C: 5.5°, M1742/C: 5.0°,
M1752/C: 4.5°, M1762/C: 3.9°
1.5 Minimum Range M1722/1732/1742/1762 (C): 41 m, M1752/C: 46 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 5.2°
2.1.6 Vertical Beamwidth 25°
2.1.7 Sidelobe Attenuation -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 4°
2.2.6 Vertical Beamwidth 20°
2.2.7 Sidelobe Attenuation -18 dB