Furuno 1835 Operator's Manual page 123

1 ENERA
1.1 Range scale, pulselength (PL) and Pulse repetition rate (PRR)
Range scale
(NM)
0.0625 to 1.6
1.5 to 3.2
3 to 36
Range scale
(NM)
0.0625 to 1.6
1.5 to 3.2
3 to 64
1.2 Range discrimination
1.3 Minimum range
1.4 Bearing resolution
1.5 Bearing accuracy
1.6 Range ring accuracy
2 ANTENNA NIT
2.1 Radiator type
2.2 Radiator length
2.3 Hori ontal beamwidth
2.4 Vertical beamwidth
2.5 Sidelobe
2.6 Polari ation
2.7 Antenna rotation speed MODEL 1835 24 rpm, MODEL 1935/1945 24 rpm/48 rpm
2.8 Wind resistance
SPECIFICATIONS OF
ODE 1
O
PRR
PL (μs)
(H approx.)
0.08 2100
0.3 1200
0.8 600
O
PRR
PL (μs)
(H approx.)
0.08 2100
0.3 1200
0.8 600
25 m
25 m
MODEL 1835 4 , MODEL 1935 2.4 , MODEL 1945 1.9
1
0.9 of range in use or 8 m, whichever is greater
MODEL 1835 Printed array,
MODEL 1935/1945 Slotted waveguide array
MODEL 1835 60 cm, MODEL 1935 100 cm,
MODEL 1945 120 cm
MODEL 1835 4.0 , MODEL 1935 2.4 , MODEL 1945 1.9
MODEL 1835 20 , MODEL 1935/1945 22
MODEL 1835 Within 20 of main lobe -18dB
MODEL 1935 Within 20 of main lobe -20dB
MODEL 1945 Within 20 of main lobe -24dB
Hori ontal
MODEL 1935/1945 Relative wind speed 100 kn for 24 rpm/
ARINE RADAR
1 1
Range scale
(NM)
0.0625 to 1.6
1.5 to 3.2
3 to 48
Outside 20 of main lobe -23dB
Outside 20 of main lobe -28dB
Outside 20 of main lobe -30dB
70 kn for 48 rpm
SP - 1
MODEL 1835/1935/1945
O
PRR
PL (μs)
(H approx.)
0.08 2100
0.3 1200
0.8 600
E3579S01C-M