SPECIFICATIONS OF MARINE RADAR

MODEL 1715

1 GENERAL

1.1 Indication System

PPI daylight display, raster scan, 4 tones in monochrome

1.2Range (shown: nm), Pulselength (PL) & Pulse Repetition Rate (PRR)

 

Range

0.125, 0.25, 0.5, 0.75

1, 1.5, 2

3, 4, 6, 8, 12, 16, 24, 36

 

Pulse Length

0.08 μs (short)

0.3 μs (medium)

0.8 μs (long)

 

Pulse Repetition Rate

3000 Hz nominal

1200 Hz nominal

600 Hz nominal

1.3

Range Resolution

18 m

 

 

1.4

Bearing Discrimination

5.2°

 

 

1.5

Minimum Range

30 m

 

 

1.6

Bearing Accuracy

Within 1°

 

 

1.7

Range Ring Accuracy

1.0 % of range or 8 m, whichever is the greater

2

ANTENNA UNIT

 

2.1

Radiator

Micro-strip

2.2

Polarization

Horizontal

2.3Antenna Rotation Speed 24/31/41 rpm nominal (auto-select according to range)

2.4

Radiator Length

45 cm

2.5

Horizontal Beamwidth

5.2° typical

2.6

Vertical Beamwidth

25°

2.7

Sidelobe Attenuation

Less than -20 dB

3

TRANSCEIVER MODULE

3.1

Frequency

9410 MHz ±30MHz (X-band)

3.2

Modulation

P0N

3.3

Peak Output Power

2.2 kW

3.4

Modulator

FET Switching Method

3.5Intermediate Frequency 60 MHz

3.6

Tuning

Automatic

3.7

Receiver Front End

MIC (Microwave IC)

3.8

Bandwidth

15 MHz (short pulse), 5 MHz (medium/long pulse)

3.9

Duplexer

Circulator with diode limiter

3.10

Warm-up Time

1-min. approx.

4

DISPLAY UNIT

 

4.1

Picture Tube

7” rectangular monochrome LCD

4.2

Display Pixels

240(H) x 320(V) dots,

 

 

Effective radar display area: 240x240 dots

4.3Range, Range Interval, Number of Rings

 

Range (nm/km)

0.125

0.25

0.5

0.75

1

1.5

2

3

4

6

8

12

16

24

36

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ring Interval

0.0625

0.125

0.125

0.25

0.25

0.5

0.5

1

1

2

2

3

4

6

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Number of Rings

2

2

4

3

4

3

4

3

4

3

4

4

4

4

3

Range unit: nm/sm/km selectable, 0.125: nm/sm only, 36: km only

 

 

 

 

 

 

 

 

 

 

 

 

SP-1

 

 

 

 

 

 

 

 

E3514S01B

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Furuno 1715 manual Specifications of Marine Radar, SP-1