Furuno 1834C-BB - Manual (Page 220)

SP - 1
SPECIFICATIONS OF MARINE RADAR
MODEL 18x4C-BB/19x4C-BB SERIES
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 72* 0.8 600
*Maximum Range: M1824C-BB: 24nm, M1834C-BB: 36nm, M1934C-BB: 48nm,
M1944C-BB: 64nm, M1954C-BB/1964C-BB: 72nm
1.2 Range Resolution M1824C-BB: 10 m, Others: 15 m
1.3 Bearing Resolution M1824C-BB: 5.5°, M1834C-BB: 4.0°, M1934C-BB: 2.4°,
M1944C-BB: 1.9°, M1954C-BB/1964C-BB:
1.9° (XN12A), 1.2° (XN13A)
1.4 Minimum Range M1824C-BB: 27 m, Others: 42 m
1.5 Bearing Accuracy ±1°
1.6 Range Ring Accuracy 0.9% of range or 8 m, whichever is the greater
1.7 Range, Range Ring Interval (RI), Number of Rings
Range (nm) 0.125 0.25 0.5 0.75 1 1.5 2 3 4 6 8 12 16 24 36 48 64 72
RI (nm) 0.0625 0.125 0.125 0.25 0.25 0.5 0.5 1 1 2 2 3 4 6 12 12 16 18
Rings 2 2 5 4 5 4 5 4 4 5 5 5 5 5 4 5 5 5
Maximum range: M1824C-BB: 24nm, M1834C-BB: 36nm, M1934C-BB: 48nm, M1944C-BB: 64nm,
M1954C-BB/1964C-BB: 72nm
2 ANTENNA
UNIT
2.1 MODEL1824C-BB:
2.1.1 Radiator Micro-strip
2.1.2 Polarization Horizontal
2.1.3 Antenna Rotation 30/24 rpm nominal (for short/long range)
2.1.4 Radiator Length 46 cm
2.1.5 Horizontal Beamwidth 5.2°
2.1.6 Vertical Beamwidth 25°
2.1.7 Sidelobe Attenuation -19 dB or less (within ±20º of main-lobe)
-21 dB or less (±20º of main-lobe or more)
2.2 MODEL1834C-BB:
2.2.1 Radiator Printed waveguide array
2.2.2 Polarization Horizontal
2.2.3 Antenna Rotation 24 rpm nominal