ONWA 12inches & 15inches Marine Radar with AIS Display / ARPA Function

ONWA

12 inches & 15 inches Color LCD Marine Radar with AIS Display and Target Tracking(ARPA)

Model :  KR-1238   ( 12inch 36nm with Antenna Radom )

‘        KR-1268   ( 12 inch 64nm with Open Array Antenna )

KR-1538   ( 15inch 36nm with Antenna Radom )

KR-1568   (15inch 64nm with Open Array Antenna )

Feature :

Adjustable DATA FIELD , More Flexible

The system Software can be upgraded Via USB

AIS Display Function

Multi Color selection for target and background

Rugged die-cast , waterproof housing

“Target Tracking” Function , Can track and trace to 20 targets

User-programmable function keys

Automatic optimization of radar picture

Newly enhanced performance

Head-up , Course-up and North-up representation mode

Economy Mode, Guard Zone Alarm and Watch Mode.

36nm with KRA-1003 Antenna Radom

64nm with KRA-1004  1.2m Open Array Antenna

KR-1238   . 12-inch 4KW 36nm Marine Radar

KR-1538      15-inch 4KW 36nm Marine Radar

Specifications

 Antenna Radiator

Radiator :  Slotted waveguide Array

Radiator Length : 55 cm

Antenna Rotation Speed : 24 RPM (±2)

Wind Resistance :  Relative wind speed 100 knots(51.5 m/s)

Beam Width   :  Horizontal 4° ,   Vertical 25°

Sidelobe

Within ± 20° off mainlobe; less than -18 dB
Outside ± 20° off mainlobe; less than -23 dB

Polarization :   Horizontal

KR-1268  :  12- inch 6KW  64nm Marine Radar

KR-1568 :    15-inch 6KW 64nm Marine Radar

Specifications

 Antenna Radiator

Radiator

Slotted waveguide Array

Radiator Length   :    120 cm   ( 180cm Optional )

Antenna Rotation Speed :   24 RPM

Wind Resistance :      Relative wind speed 100 knots(51.5 m/s)

Beam Width  : Horizontal 1.9°
Vertical 22°

Sidelobe

Within ± 20° off mainlobe; less than -24 dB
Outside ± 20° off mainlobe; less than -30 dB

Polarization :      Horizontal

 Transceiver Module (contained in Radome)

Transmitting Tube :  MSF1421B or MAF1421B

Frequency :     9410 ± 30MHz (X-band)

Pulse Length PPR

0.08 µ s/2100 Hz(0.125, 0.25, 0.5, 0.75, 1.5 nm)
0.3µ s/1200 Hz(1.5, 2, 3 nm)
0.8 µ s/600 Hz(3, 4, 6, 8, 12, 16, 24, 36 nm)

Warm Up time :      1:30 minutes

Peak Output Power :    4 kW nominal

Modulator :        FET Switching Method

IF :                    60MHz

Tuning :         Automatic or Manual

Receiver front end :     MIC (Microwave IC)

Bandwidth    Tx pulselength 0.3 µS and 0.08µS: 25 MHz
Tx pulselength 0.8µS: 3 MHz

Noise Figure :     10 dB nominal

Duplexer :    Circulator with Diode Limiter

 Power Supply

10.5 VDC to 40.0 VDC, 60W (30W in economy mode)

Display Modes

Head-up, Course-up*, North-up*, True Motion**
* Heading input required
** Heading and speed inputs required

Range Scale

Range: 0.125, 0.25, 0.5,0.75, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36
Range Interval: 0.0625,0.125,0.125,0.25,0.25,0.25,0.5,0.5,1,1,2,2,4,4,6
Number of Rings: 2,2,4,3,4,6,4,6,4,6,4,6,4,6,6

Bearing Resolution :  4°

Bearing Accuracy :     Within 1°

Range Discrimination :   Better than 30 m

Range Ring Accuracy   :  0.9% or range in use or 8 m whichever is larger

Minimum Range :      Better than 25 m

Target Tracking Function

Acquisition : 40
Tracking : Auto
Display : Speed, Course, Range/Bearing and CPA/TCPA

Vibration

Vibration Total Amplitude:
1 to 12.5 Hz± 1.6 mm
12.5 to 25 Hz± 0.38 mm
25 to 30 Hz± 0.1 mm

Echo Trail

Interval: 15s, 30s, 1min, 3mins, 6mins, 15mins, 30mins or continuous

Interface

any talker (menu selection) input
$–APB,$–BWC,$–BWR,$–DBK,$–DBS,$–DBT,$–DPT,
$–GGA,$–GLC,$–GLL,$–GTD,$–HDG,$–HDW,$–HDT,
$–MDA,$–MTW,$–RMA,$–RMB,$–RMC,$–VTG,$–VHW,$–XTE

AIS Display

Acquisition: AIS Vessels or ATON
Tracking : Auto
Display : Vessel Name, MMSI, Call sign, Range/Bearing, L/L
Speed/Course, ROT, CPA/TCPA
(AIS data input required)

Equipment List

Display unit: 1 unit
Radome Antenna unit: 1 unit
ANTENNA CABLE: 10/15/20/30m (Specify when ordering)
POWER CABLE: 3m
Operation Manual
Standard Spare Parts and installation materials : 1 set