Model 1932 specifications, Model 1942 specifications, Antenna unit – Furuno 1942 User Manual

Page 7: Transceiver module (contained in antenna), Display unit

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MODEL 1932
SPECIFICATIONS

ANTENNA UNIT

1. Radiator:

Slotted waveguide
array

2. Radiator length:

100 cm

3. Horizontal beamwidth:

3.9

°

4. Vertical beamwidth:

27

°

5. Sidelobe:

Within

±

20

°

of mainlobe; less than -24 dB

Outside

±

20

°

of 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)

TRANSCEIVER MODULE
(contained in antenna)

1. Pulselength & pulse repetition rate:

0.08

µ

s, 2100 Hz (0.125, 0.25, 0.5, 0.75, 1.5)

0.3

µ

s, 1200 Hz (1.5, 2, 3)

0.8

µ

s, 600Hz (3, 4, 6, 8, 12, 16, 24, 36, 48)

2. Others:

See MODEL 1832.

DISPLAY UNIT

1. Range scale (nm):

Range, Range interval and no. of Rings:

0.125 (0.0625, 2), 0.25 (0.125, 4), 0.75
(0.25, 3), 1 (0.25, 4), 1.5 (0.5, 3), 2 (0.5, 4),
3 (1, 3), 4 (1, 4), 6 (2, 3), 8 (2, 4), 12 (3, 4),
16 (4, 4), 24 (6, 4), 36 (12, 3), 48 (12, 4)

2. Compass safe distance:

Standard compass Steering compass

Display unit

0.75 m

0.6 m

Antenna unit

1.1 m

0.8 m

3. Others:

See MODEL 1832.

MODEL 1942
SPECIFICATIONS

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

°

of mainlobe; less than -24 dB

Outside

±

20

°

of 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)

TRANSCEIVER MODULE
(contained in antenna)

1. Transmitting tube:

MG5389 or E3560

2. Peak output power:

6 kW nominal

3. Pulselength & pulse repetition rate:

0.08

µ

s, 2100 Hz (0.125, 0.25, 0.5, 0.75, 1.5)

0.3

µ

s, 1200 Hz (1.5, 2, 3)

0.8

µ

s, 600Hz (3, 4, 6, 8, 12, 16, 24, 36, 48, 64)

4. Bandwidth:

Tx pulselength 0.3

µ

s and 0.08

µ

s: 25 MHz

Tx pulselength 0.8

µ

s: 5 MHz

5. Others:

See MODEL 1832.

DISPLAY UNIT

1. Range scale (nm):

Range, Range interval and no. of Rings:

0.125 (0.0625, 2), 0.25 (0.125, 4), 0.75
(0.25, 3), 1 (0.25, 4), 1.5 (0.5, 3), 2 (0.5, 4),
3 (1, 3), 4 (1, 4), 6 (2, 3), 8 (2, 4), 12 (3, 4),
16 (4, 4), 24 (6, 4), 36 (12, 3), 48 (12, 4), 64
(16, 4)

2. Compass safe distance:

Standard compass Steering compass

Display unit

0.75 m

0.6 m

Antenna unit

1.0 m

0.74 m

3. Power supply & power comsumption:
12 V, 24 V or 32 VDC (10.2 V to 41.6 VDC)
52W

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