The Raymarine Magnum 4 Foot Array (E70490) from Nomadic Supply Company® is the compact 4-foot open array antenna for the Raymarine Magnum 4kW radar system, delivering 1.85° horizontal beamwidth and a maximum range of 72 nautical miles when paired with the Magnum 4kW Pedestal (E70484).
Raymarine Magnum 4 Foot Array (E70490) Features:
- 1.85° Horizontal Beamwidth. The 4-foot antenna delivers 1.85° horizontal beamwidth (nominal) for excellent target resolution and detailed target separation across all range scales.
- 72 NM Maximum Range. When paired with the Magnum 4kW Pedestal (E70484), delivers a maximum radar range of up to 72 nautical miles — ideal for coastal and offshore navigation in all conditions.
- Superior Bird Mode. Bird Mode automatically optimizes the radar image to detect sea birds up to 10nm, helping anglers quickly locate schooling baitfish with less fuel consumption.
- Enhanced Radar Imaging. Raymarine beam sharpening technology delivers better than 1-degree bearing resolution for map-like coastal detail and superior long-range target performance.
- Best-in-Class Target Tracking. Fully automatic MARPA target acquisition and Evolution 9-axis heading sensor technology deliver real-time, accurate target plots and superior situational awareness.
- True Trails. Displays a historical “wake” behind every moving contact, making it easier to interpret vessel motion and pass other vessels safely.
- Broad Chartplotter Compatibility. Compatible with Axiom 2, Axiom+, Axiom Pro, and legacy Raymarine MFDs including LightHouse 2-based a/c/e/eS/gS-Series, C-Series Widescreen, E-Series Widescreen, and E-Series Classic chartplotters.
Raymarine Magnum 4 Foot Array (E70490) Includes:
- 1x Raymarine Magnum 4 Foot Array (E70490)
Raymarine Magnum 4 Foot Array (E70490) Specifications:
- Array Length: 1306 mm (51.4 in)
- Beamwidth (Horizontal): 1.85° (nominal)
- Beamwidth (Vertical): 25° (nominal)
- Compatible Pedestal: Magnum 4kW Pedestal (E70484)
- Maximum Range (with E70484): 72 nautical miles
- Rotation Speed: 24 / 48 RPM
- Waterproof Rating: IPx6
- Max Wind Speed: 85 knots
- Operating Temperature: -25°C to +55°C (-13°F to +131°F)
Raymarine Magnum 4 Foot Array Documents:
Raymarine Magnum 4 Foot Array Installation Guide








