Onwa Marine Electronics KR-12X8 - Manual (Page 11)

KR-1268/1568 SPECIFICATION
ANTENNA UNIT
1. Radiator: Slotted waveguide array
2. Radiator length 120 cm
3. Horizontal beamwidth 1.9
4. Vertical beamwidth 22
5. Sidelobe
Within
20 off mainlobe; less than -24 dB
Outside 20 off mainlobe; less than -30 dB
6. Polarization Horizontal
7. Antenna rotation speed 24 rpm
8. Wind resistance Relative wind speed 100 knots(51.5 m/s)
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TRANSCEIVER MODULE (contained in antenna)
1. Transmitting tube MAF1421 or MSF1421
2. Peak output power 6KW nominal
3. Pulselength & pulse repetition rate
0.08
S, 2100 Hz (0.125, 0.25, 0.5, 0.75, 1.5nm)
0.3
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:
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S, 1200 Hz (1.5, 2, 3nm)
0.8 S, 600 Hz (3, 4, 6, 8, 12, 16, 24, 36, 48, 64nm)
4. Bandwidth:
Tx pulselength 0.3
S and 0.08 S: 25MHz
Tx pulselength 0.8 S: MHz
5. Other: See KR-1238/1538
4
DISPLAY UNIT
1. Range scale (nm):
Range, Range interval and no. of Rings:
, 48(8,6),
64(16,4)
2. Compass safe distance:
0.125(0.0625,2), 0.25(0.125,2), 0.75(0.25,3), 1(0.25,4), 1.5(0.25,6), 2(0.5,4),
3(0.5,6), 4(1,4), 6(1,6), 8(2,4), 12(2,6), 16(4,4), 24(4,6), 36(6,6)
Standard Compass
Display unit 0.75m 0.6m
0.91m 1.3m Antenna unit
Steering Compass
3. Power supply & power consumption: 12V, 24V or 32VDC (10.5V to 40VDC)
60W.