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Description

The ONWA KRA‑1007N is a compact 4 kW X‑band radome radar antenna, designed for reliable yacht navigation in all weather conditions. This network radar combines ONWA’s proven magnetron radar technology with fully digital signal processing, providing clear and stable target display, even in rain, rough seas, or heavy traffic.

Thanks to its lightweight and enclosed radome design, the KRA-1007N is particularly suitable for installation on sailing and motor yachts where space and weight are important, such as mast mounting. The radar communicates via Ethernet and is intended for use in combination with compatible ONWA (KM-Series & K-Astral) chart plotters, where radar image and radar overlay are fully processed by the plotter. The radar can also be connected to a PC for use with ONWA's DigiNav software.

Specifications

Type: Network radar antenna (radome)
Transmit Power: 4 kW nominal
Frequency: X‑band 9.410 ± 30 MHz
Antenna: Slotted waveguide
Antenna Diameter: 55 cm
Beamwidth:
- Horizontal: 4°
- Vertical: 25°
Antenna Rotation Speed: 24 RPM (+/- 2)
Maximum Range: up to 36 nautical miles
Clutter Suppression: Built-in sea and rain clutter algorithms
Signal Processing: Fully digital
Power Supply: 10.5 – 40 V DC (internal power supply)
Operating Temperature: −25 °C to +70 °C
Wind Load: Up to 100 knots relative wind speed
Weight:

In the Box

ONWA KRA‑1007_N radome radar antenna
Fixed network/power connection cable (15 meters with RJ45 connector)
Mounting and fastening hardware (no mast/pole mounting bracket)
Installation and user documentation

Certifications

CE Mark - Radio Equipment Directive (RED) 2014/53/EU (ICR Polska/VC/HS220503)

Supported Chart Plotters

The KRA‑10097N is designed to work with ONWA chart plotters that support radar functionality, specifically:

ONWA KM‑series (such as KM‑8 and KM‑12) and K-Astral-series
Other compatible ONWA multifunction displays with radar support

The radar uses a proprietary ONWA protocol and is not intended for integration with chart plotters of other brands.

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Country/Region

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KRA-1007N Radome Yacht Radar

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