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SP - 1 E3502S01C
SPECIFICATIONS OF MARINE RADAR
MODEL 1833/1933/1943
1. GENERAL
1.1. Indication System PPI Daylight display, raster scan, monochrome CRT
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 64* 0.8 600
*Maximum Range: M1833: 36nm, M1933: 48nm, M1943: 64nm
1.3. Range Resolution 20 m
1.4. Bearing Resolution M1833: 4.0°, M1933: 2.4°, M1943: 1.9°
1.5. Minimum Range 27 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. MODEL1833:
2.1.1. Radiator Printed waveguide array
2.1.2. Polarization Horizontal
2.1.3. Antenna Rotation 24 rpm nominal
2.1.4. Radiator Length 60 cm
2.1.5. Horizontal Beamwidth 3.9°
2.1.6. Vertical Beamwidth 20°
2.1.7. Sidelobe Attenuation -18 dB or less (within ±20° of main-lobe)
-23 dB or less (±20° of main-lobe or more)
2.2. MODEL1933:
2.2.1. Radiator Slotted waveguide array
2.2.2. Polarization Horizontal
2.2.3. Antenna Rotation 24 or 48 rpm nominal
2.2.4. Radiator Length 100 cm (XN10)
2.2.5. Horizontal Beamwidth 2.4°
2.2.6. Vertical Beamwidth 27°
2.2.7. Sidelobe Attenuation -20 dB or less (within ±20° of main-lobe)
-28 dB or less (±20° of main-lobe or more)