FURUNO
FR-8xx2 Series
SP - 1
E354S01A
SPECIFICATIONS OF MARINE RADAR
FR-8062/FR-8122/FR-8252
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 96
0.8
600
1.2
Maximum Range
96 nm (all models)
1.3
Range Resolution
20 m
1.4
Bearing Resolution
1.9° (4 ft), 1.2° (6 ft)
1.5
Minimum Range
21 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
125.5 cm
2.1.5 Horizontal
Beamwidth
1.9°
2.1.6 Vertical
Beamwidth
2.2°
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.)
2.2.4
Radiator Length
180 cm
2.2.5 Horizontal
Beamwidth
1.35°
2.2.6 Vertical
Beamwidth
2.2°
2.2.7
Sidelobe Attenuation
-28 dB or less (within ±10° of main-lobe)
-35 dB or less (±10° of main-lobe or more)
3. RF
TRANSCEIVER
3.1
Frequency and Modulation 9410 MHz ±30MHz (X band), P0N
3.2
Peak Output Power
FR-8062: 6 kW, FR-8112: 12 kW, FR-8052: 25 kW