Ò³ãæ 12, Kr-1668 specification – Onwa Marine Electronics KR-1338C v.1 User Manual

Page 12

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KR-1668 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 wing speed 100 knots(51.5 m/s)

TRANSCEIVER MODULE
(contained in antenna)

1. Transmitting tube : MAF1421 or MSF1421
2. Peak output power : 4kW nominal
3. Pulselength & pulse repetition rate :
0.08

S, 2100 Hz (0.125, 0.25, 0.5, 0.75, 1.5nm)

0.3

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 : 5 MHz

5. Other : See KR-1338

4

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