Specifications; Radar Display - Furuno FAR-2805 Series Operator's Manual

Specifications

ANTENNA RADIATORS
1. Type
Slotted waveguide array
2. Beamwidth and sidelobe attenuation
B a n d X b -
R d a t a i r o X N
X N 3
X N 2 1 A F
y t e p
( X N
B a e m w d i h t
. 1 3 2 . 1
. 1 8
( H o ) . r
B a e m w d i h t
0 2
20 25
( V e ) . r
i S e d o l e b t t a
8 2
28 B d 24 B d
i w h t n i 0 1
i S e d o l e b t t a
2 3
32 B d 30 B d
u o i s t e d 0 1
* 0 1 f r t d a t a i r o S N 0 3 A F v a l i a b a e l
v a l i a b a e l f r o S O L A S h s p i ) .
3. Polarization
Horizontal
4. Rotation
FR/FAR-2815/2825: 24/42 rpm
FR/FAR-2825W2855W,
FR/FAR-2835SW/2865SW: 21 rpm (50 Hz),
FR/FAR-2835S: 21 rpm (50 Hz),
26 rpm (60 Hz),
45 rpm (for HSC)
FR/FAR-2855: 16 rpm (50 Hz),
20 rpm (60 Hz or DC)
RF TRANSCEIVER
1. Frequency
X-band: 9410 MHz 30 MHz
9415 MHz 30 MHz(50kW)
S-band: 3050 MHz 30 MHz
2. Output power
FR/FAR-2815:
FR/FAR-2825/2825W:
FR/FAR-2855-I/2855W:
FR/FAR-2835S-I/2835SW:
FR/FAR-2865SW:
3. Pulselength/PRF
FR/FAR-2815/2825
Range(nm) Pulselength ( s)
0.125, 0.25 0.07
0.5, 0.75 0.07/0.15
1.5 Two from 0.07, 0.15, 0.3 2200/1000
3 Two from 0.15, 0.3, 0.5 2200/1000
6 Two from 0.3, 0.5, 1.2
12, 24 Two from 0.5, 1.2
48, 96 1.2
a n d S b - a
0 2 A F X N 4 2 A F
X N 5 A
S N 6 3 F A
3 ) A
( X N 4 A )
3 2 . 0 5 7 2 1 .
. 0 95
0 2 0 2 5 2
d B 6 2 b d 5 2 d B
28 b d
d B 0 3 b d 0 3 d B
32 B d
f r o N O N - S O L A S h s . p i F ( A - R 8 2 5 3
26 rpm (60 Hz)
12 kW
25 kW
50 kW
30 kW
60 kW
PRR (Hz)
2200
2200
1000/600
1000/600
600 (48
nm)/500
(96 nm)
FR/FAR-2825W, 2855, 2855W, 2835S,
2835SW, 2865SW:
Range (nm)
0.125, 0.25, 0.5
0.75, 1.5
3
6
12, 24
48, 96
*: In case of FR-2855, FR-2855W, FR-2865SW
0.3 is replaced with 0.2.0
n d
4. I.F.
S N 0 3 A F
60 MHz, Logarithmic
2 5 .
S1-M1: 28 MHz
5 2
M2-Lpulse: 3 MHz
4 2 b d
5. Duplexer
0 3 b d
Ferrite circulator with diode limiter for
S H S C s i
FR/FAR-2815/2825/2835S/2835sw
Ferrite circulator with TR limiter for FR-
2825W/2855/2855W/2865SW
6. Noise figure
FR/FAR-2815/2825/2825W/2855/2855W/
2835S: 6 dB
FR/FAR-2835SW: 4 dB
FR/FAR-2865SW: 4.5 dB

RADAR DISPLAY

1. Picture tube
28" color CRT, Effective radar diameter 360
mm
IMO type: Yellow or green echoes in 16 levels
R-type: Yellow or green echoes in 16 levels or
Different color for VRM, range rings, alarms,
etc.
Raster scan at 32.25 kHz horizontal, 60 Hz
vertical. Number of scanning lines 1024,
interlaced.
2. Minimum range and discription
35 m
3. Range scales (nm)
IMO type:
0.125 (.025), 0.25 (0.05), 0.5 (0.1), 0.75
(0.25), 1.5 (0.25), 3 (0.5), 6 (1), 12 (2), 24 (4),
48 (8), 96 (16)
R-type:
0.125 (.025), 0.25 (0.05), 0.5 (0.1), 0.75
(0.25), 1.5 (0.25), 3 (0.5), 6 (1), 12 (2), 16 (4),
24 (4), 32 (8), 48 (8), 72 (16), 120 (20)
4. Range accuracy
1% of range in use or 15 m whichever is the
greater
Pulselength ( s)
0.08
0.08/0.3*
Two from 0.08, 0.3*, 0.6 2200/1100
Two from 0.08, 0.3*, 0.6 2200/1100
0.6, 1.2
1.2
3 colors depending on echo strengths
PRR (Hz)
2200
2200
1000/600
600/500
ix