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1. GENERAL
1.1. Indication System
1.2. Range, Pulse length (PL) & Pulse Repetition Rate (PRR)
Range (nm)
0.125 to 1.5
1.5 to 3
3 to 64*
*Maximum Range: M1833C: 36nm, M1933C: 48nm, M1943C: 64nm
1.3. Range Resolution
1.4. Bearing Resolution
1.5. Minimum Range
1.6. Bearing Accuracy
1.7. Range Ring Accuracy
2. SCANNER UNIT
2.1. MODEL1833C:
2.1.1. Radiator
2.1.2. Polarization
2.1.3. Antenna Rotation
2.1.4. Radiator Length
2.1.5. Horizontal Beamwidth 3.9°
2.1.6. Vertical Beamwidth
2.1.7. Sidelobe Attenuation
2.2. MODEL1933C:
2.2.1. Radiator
2.2.2. Polarization
2.2.3. Antenna Rotation
2.2.4. Radiator Length
2.2.5. Horizontal Beamwidth 2.4°
2.2.6. Vertical Beamwidth
2.2.7. Sidelobe Attenuation
SPECIFICATIONS OF MARINE RADAR
MODEL 1833C/1933C/1943C
PPI Daylight display, raster scan, color LCD
Pulse length (µs)
0.08
0.3
0.8
20 m
M1833C: 4.0°, M1933C: 2.4°, M1943C: 1.9°
27 m
±1°
0.9 % of range or 8 m, whichever is the greater
Printed waveguide array
Horizontal
24 rpm nominal
60 cm
20°
-18 dB or less (within ±20° of main-lobe)
-23 dB or less (±20° of main-lobe or more)
Slotted waveguide array
Horizontal
24 or 48 rpm nominal
High brilliance monitor: 24 rpm nominal only
100 cm (XN10)
27°
-20 dB or less (within ±20° of main-lobe)
-28 dB or less (±20° of main-lobe or more)
PRR (Hz approx.)
2100
1200
600
SP - 1
E3503S02C
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