ONWA Open-array Marine Radar Antenna

Enhance Navigation with ONWA Open-array Marine Radar Antenna

GET A QUOTE

FIND A DEALER

Product Description
Specification
In the Box
Manuals & Firmware
Compare All Models

Unparalleled Performance

The ONWA Open Array Radar series offers powerful and precise radar solutions for mariners seeking exceptional performance and reliability. Available in three types—6KW, 12.5KW, and 25KW—these radars are designed to meet the diverse needs of various vessels, from recreational boats to commercial ships.

Superior Detection Capabilities

Each model in the ONWA Open Array Radar series delivers superior detection capabilities, allowing you to accurately identify and track targets at various ranges. Whether navigating congested waterways or open seas, these radars provide the clarity and detail needed to make informed decisions.

High Resolution

X-Band radar offers higher resolution compared to other frequency bands, allowing for detailed imagery and precise detection of small objects or vessels. This makes it particularly useful in navigation where accuracy is crucial.

Target Tracking

The radar system can simultaneously track multiple targets, providing detailed information on their position, speed, and direction. This feature is essential for avoiding collisions and maintaining a safe navigation path.

Radar Overlay on Charts

The KM Series allows radar data to be overlaid on nautical charts, combining visual navigation aids with real-time radar information. This feature enhances situational awareness by showing radar echoes on the chart, making it easier to correlate radar returns with charted objects.
Why Choose ONWA Open-Array Radar?

Superior Detection Capabilities With its extended range and high-resolution imaging, the Open-Array Radar offers unmatched detection and tracking capabilities, providing you with a comprehensive understanding of your maritime environment.

Ideal for Larger Vessels The extensive coverage and advanced features make it the perfect choice for larger vessels, including commercial ships, fishing boats, and yachts, that require reliable and detailed radar performance.

Durability and Reliability The Open-Array Radar is built to handle the toughest marine conditions, ensuring that you can rely on it for consistent and dependable performance during extended voyages.
Model Overview

OPTIONAL RADAR DISPLAY

	KRA-3002/KRA-4001
Antenna Radiator
Radiator	Slotted waveguide Array
Radiator Length	KRA-4001: 120 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°
Sidelobe	Within ± 20° off mainlobe; less than -24 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 Radome)
Transmitting Tube	KRA-3002: MSF1425 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)
Warm Up time	1:30 minutes
Peak Output Power	KRA-3002: 12.5 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
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