ONWA KRA Open Array Radar Antenna
£3,495.00 – £5,895.00
Exc VAT
ONWA KRA-4001/3002 Radar Antenna
The Onwa KRA4001 And 3002 Open Array Radar Antenna's have Digital Radar Target Technology and can share the same protocol between all ONWA magnetron pulse Radar antennas.
Features
- Built-in excellent sea and rain clutter algorithm
- Fully Digital Signal Processing
- High Performance Microwave front end
- Can be connected to PC directly or through home router
- Can use with DigiNav Application Software
ONWA Open Array Radar antennas are available with output power of 6KW (120cm) or 12.5KW (180cm).
Onwa Open-Array Radar Antenna (6KW) Model : KRA-4001
Includes: 15m antenna cable ended with RJ45, 1.2m scanner, Power supply
Onwa Open-Array Radar Antenna (12.5KW) Model : KRA-3002
Includes: 20m antenna cable ended with RJ45, 1.8m scanner, Power supply
Contact us For Further Information.
Additional information
| Option | KRA-3002, KRA-3002 – 6ft open array Output power 12.5KW, KRA-4001, KRA-4001 – 4ft open array Output power 6KW |
|---|
Specification
Antenna Radiator
Slotted waveguide Array
Radiator Length
KRA-4001: 120 cm
KRA-3002: 180 cm
KRA-3002: 180 cm
Antenna Rotation Speed
24RPM
Beam Width
Horizontal:
KRA-3002: 1.2°
KRA-4001: 1.9°
Vertical
KRA-3002: 22°
KRA-4001: 22°
KRA-3002: 1.2°
KRA-4001: 1.9°
Vertical
KRA-3002: 22°
KRA-4001: 22°
Sidelobe
Within ± 20° off mainlobe; less than -24 dB
Outside ± 20° off mainlobe; less than -30 dB
Outside ± 20° off mainlobe; less than -30 dB
Polarization
Horizontal
Wind Resistane
KRA-4001: Relative Wind Speed 100 knots (51.5 m/s)
Transceiver Module (contained in Antenna)
Transmitting Tube
KRA-3002: MSF1425
KRA-4001: MAF1422 or MSF1422
KRA-4001: MAF1422 or MSF1422
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, 36,48, 64,72 nm)
0.3µ S/1200 Hz(1.5, 2, 3 nm)
0.8 µ S/600 Hz(3, 4, 6, 8, 12, 16, 24, 36,48, 64,72 nm)
Warm Up time
1:30 minutes
Peak Output Power
KRA-3002: 12.5 kW nominal
KRA-4001: 6 kW nominal
KRA-4001: 6 kW nominal
Modulator
FET Switching Method
IF
60MHz
Tuning
Automatic or Manual
Receiver front end
MIC (Microwave IC)
Bandwidth
Tx pulselength 0.3 µ S and 0.08 µ S: 25 MHz
Tx pulselength 0.8 µ S: 3 MHz
Tx pulselength 0.8 µ S: 3 MHz
Duplexer
Circulator with Diode Limiter
Environment
Temperature
Antenna unit: -25 to +70°C
Humidity
Relative humidity 93% or less at 40°C
Power Supply
±12VDC external regulated power supply
Dimensions
