Furuno 1823C-BB Operator's Manual page 240

2.3 MODEL1933C-BB:
2.3.1 Radiator
2.3.2 Polarization
2.3.3 Antenna Rotation
2.3.4 Radiator Length
2.3.5 Horizontal Beamwidth 2.4°
2.3.6 Vertical Beamwidth
2.3.7 Sidelobe Attenuation
2.4 MODEL1943C-BB:
2.4.1 Radiator
2.4.2 Polarization
2.4.3 Antenna Rotation
2.4.4 Radiator Length
2.4.5 Horizontal Beamwidth 1.9°
2.4.6 Vertical Beamwidth
2.4.7 Sidelobe Attenuation
2.5 MODEL1953C-BB:
2.5.1 Radiator
2.5.2 Polarization
2.5.3 Antenna Rotation
2.5.4 Radiator Length
2.5.5 Horizontal Beamwidth 1.9° (XN12A), 1.2° (XN13A)
2.5.6 Vertical Beamwidth
2.5.7 Sidelobe Attenuation
XN12A:
XN13A:
3 TRANSCEIVER MODULE
3.1 Frequency and Modulation 9410 MHz ±30 MHz (X band), P0N
3.2 Peak Output Power
-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 (XN10A)
27°
-20 dB or less (within ±20° of main-lobe)
-28 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
120 cm (XN12A)
22°
-24 dB or less (within ±20° of main-lobe)
-30 dB or less (±20° of main-lobe or more)
Slotted waveguide array
Horizontal
24 or 48 rpm nominal
120 cm (XN12A), 180 cm (XN13A, 24 rpm only)
22°
-24 dB or less (within ±20° of main-lobe)
-30 dB or less (±20° of main-lobe or more)
-24 dB or less (within ±10° of main-lobe)
-30 dB or less (±10° of main-lobe or more)
M1823C-BB: 2.2 kW nominal,
M1833C-BB/1933C-BB: 4 kW nominal,
M1943C-BB: 6 kW nominal, M1953C-BB: 12 kW nominal
SP - 2
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