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SPECIFICATIONS OF MARINE RADAR
MODEL 1724C/1734C
1 GENERAL
1.1 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 36* 0.8 600
*Maximum Range: M1724C: 24nm, M1734C: 36nm
1.2 Range Resolution All models: 21 m
1.3 Bearing Resolution M1724C: 6.7°, M1734C: 5.5°
1.4 Minimum Range M1724C: 27 m, M1734C: 35 m
1.5 Bearing Accuracy ±1°
1.6 Range Ring Accuracy 0.9% of range or 8 m, whichever is the greater
2 ANTENNA UNIT
2.1 MODEL1724C:
2.1.1 Radiator Micro-strip
2.1.2 Polarization Horizontal
2.1.3 Antenna Rotation 31/25 rpm nominal (for short/long range)
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 MODEL1734C:
2.2.1 Radiator Printed waveguide array
2.2.2 Polarization Horizontal
2.2.3 Antenna Rotation 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