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Specifications of
FAR-2117/2127/2137S
Antenna Radiators
1. Type Slotted waveguide array
2. Beamwidth and sidelobe attenuation
3. Rotation
RF Transceiver
1. Frequency
X-band: 9410 MHz ± 30 MHz
S-band: 3050 MHz ± 30 MHz
2. Output power
3. Pulselength/PRR
Range scale (nm)
Pulselength (µs) PRR (Hz)
0.125, 0.25 0.07 3000
0.5 0.07, 0.15 3000
0.75, 1.5 0.07, 0.15, 0.3 3000, 1500
3 0.15, 0.3, 0.5, 0.7 3000, 1500, 1000
6 0.3, 0.5, 0.7, 1.2 1500, 1000, 600
12, 24 0.5, 0.7, 1.2 1000, 600
48, 96 1.2 600
4. I.F. 60 MHz, Logarithmic
5. Bandwidth Short pulse: 40 MHz
Middle pulse: 10 MHz
Long pulse: 3 MHz
Radar Display
1. Display
20.1" color LCD (SXGA 1280 x 1024 pixels),
400 (H) x 320 (V) mm,
Effective display diameter: 308 mm
Echo Color: Yellow, green or white in 32 levels
2. Range scales and ring intervals (nm)
Range: .125, .25, .5, .75, 1.5, 3, 6, 12, 24, 48, 96
Ring: .025, .05, .1, .25, .25, .5, 1, 2, 4, 8, 16
3. Minimum range
30* m on 0.75 nm range scale
*Using a 10 m
2
test target at 3.5 m high above sea and
antenna at 15 m high (IEC 60936-1). Different conditions give
a different result, maybe close to 20 m in actual installations.
4. Range discrimination
30 m on 0.75* nm range scale
5. Range ring accuracy
+
0.2 %
6. Presentation modes
Head-Up, Course-Up, North-Up, North-Up TM
7. Heading information
Furuno GPS compass is a recommendable heading sensor as
a backup of a gyrocompass.
Confirm with your Administrations.
8. Parallel index lines
1, 2, 3 or 6 lines (menu selectable)
9. Radar map
20,000 points to create coastlines, own ship safety contour,
isolated underwater dangers, buoys, traffic routing systems,
prohibited areas, fairways as required by IMO.
Automatic Plotting
1. Acquisition
100 targets (e.g. manually 50, automatically 50)
2. Tracking
Automatic tracking of all acquired targets in 0.1 to 32 nm
3. Guard zone
Two zones, one of them 0.5 nm depth
4. Vector
True or relative 30 s, 1, 3, 6, 12, 15, 30 min for prediction of
target motion
5. Past positions
5 or 10 past positions at intervals of 30 s,1, 2, 3, 6 min.
6. Collision warning
CPA limit: 0.2 - 10 nm, TCPA limit: 0 - 99 min.
7. Trial maneuver
Dynamic or static, with selected delay time.
AIS Display (Data input from AIS is required)
1. Symbols
Sleeping, Activated, Dangerous, Selected, Lost targets
2. Number of targets
1,000 targets max.
3. Data indication
Basic and expanded data
Power Supply (specify when ordering)
1. Processor Unit
24 VDC or 115/230 VAC, 1ø, 50/60 Hz,
7.6 A (FAR-2117: 24 rpm at 24 VDC),
8.8 A (FAR-2127: 24 rpm at 24 VDC)
440 VAC, 1ø, 50/60 Hz with optional transformer RU-1803
2. Display Unit
24 VDC or 115/230 VAC, 1ø, 50/60 Hz, 2.3 A (24 VDC)
440 VAC, 1ø, 50/60 Hz with optional transformer RU-1803
3. Antenna Unit
FAR-2137S:
230 VAC, 3ø, 60 Hz; 380 VAC, 3ø, 50 Hz; 440 VAC, 3ø, 60 Hz
115 VAC, 3ø, 60 Hz with optional transformer RU-5693
230 VAC, 3ø, 50 Hz with optional transformer RU-6522
440 VAC, 3ø, 50 Hz with optional transformer RU-5466-1
X-Band
S-Band
Radiator Type
Length
Beamwidth(H)
Beamwidth(W)
Sidelobe
(within ± 10°)
Sidelobe (outside ± 10°)
XN-12AF
4 ft
1.9°
20°
-24 dB
-30 dB
XN-20AF
6.5 ft
1.23°
20°
-28 dB
-32 dB
XN-24AF
8 ft
0.95°
20°
-28 dB
-32 dB
SN-30AF
10 ft
2.3°
25°
-24 dB
-30 dB
S-band 10 ft radiator usable for an HSC
SN-36AF
12 ft
1.8°
25°
-24 dB
-30 dB
● IEC 60936-1 shipborne radar
● IEC 60936-2 HSC radar
● IEC 60872-1 ARPA
● IEC 60872-2 ATA
● IEC 601993-2 AIS
● IEC 61162-1 ed 2
● IEC 60945 General requirements
● IMO MSC.64(67) Annex 4
● IMO A.823(19)
● IMO MSC.74(69) Annex 3
This series of radar comply with the following IMO and
IEC standards:
X-Band S-Band
Rotation
Gear Box
24 rpm
RSB-096
42 rpm
RSB-097
21/26 rpm
RSB-098
RSB-099
45 rpm
RSB-100
RSB-101
RSB-102
Output Power
Transceiver
FAR-2117
12 kW
RTR-078
FAR-2127
25 kW
RTR-079
FAR-2137S
30 kW
RTR-080