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FURUNO
FR-8xx2 Series
SP - 1 E3539S01B
2006/01/31
SPECIFICATIONS OF MARINE RADAR
FR-8062/FR-8122/FR-8252
1. GENERAL
1.1 Range, Pulse length & 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 96 0.8 600
1.2 Maximum Range 96 nm (2FR-8252), 72 nm (FR-8122 and FR-8062)
1.3 Range Resolution 20 m
1.4 Bearing Resolution 1.9° (4 ft), 1.2° (6 ft)
1.5 Minimum Range 20 m
1.6 Bearing Accuracy ±1.0°
1.7 Range, Range Ring Accuracy 1.0% of range or 8 m, whichever is the greater
2. ANTENNA UNIT
2.1 XN-12A (4 ft)
2.1.1 Radiator Slotted array
2.1.2 Polarization Horizontal
2.1.3 Antenna Rotation 24 rpm, 36 rpm, 48 rpm, range dependent rpm. (24 rpm motor
fixed at 24 rpm.)
2.1.4 Radiator Length 120 cm (4ft)
2.1.5 Horizontal Beamwidth 1.9°
2.1.6 Vertical Beamwidth 22°
2.1.7 Sidelobe Attenuation -24 dB or less (within ±10° of main-lobe)
-30 dB or less (±10° of main-lobe or more)
2.2 XN-13A (6 ft)
2.2.1 Radiator Slotted array
2.2.2 Polarization Horizontal
2.2.3 Antenna Rotation 24 rpm*, 36 rpm, 48 rpm, range dependent rpm. (24 rpm motor
fixed at 24 rpm.) * Not available with antenna XN-13A.
2.2.4 Radiator Length 180 cm (6 ft)
2.2.5 Horizontal Beamwidth 1.35°
2.2.6 Vertical Beamwidth 22°
2.2.7 Sidelobe Attenuation -28 dB or less (within ±10° of main-lobe)
-35 dB or less (±10° of main-lobe or more)