Seaview 4 Degree Radar Wedges for Marine Domes and Open Arrays.
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Description
Description
Seaview 4 Degree Radar Wedges for Marine Domes and Open Arrays
Model Numbers
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RW-41: 4° Wedge for Direct Mount, Fits Most 15-18" 2KW Domes (Furuno, JRC, Koden)
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RW42BLK: 4° Radar Wedge, Black, Fits Major Radar Brands (Garmin, Raymarine, Simrad, Furuno, etc.)
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RW-43: 4° Wedge for Direct Mount, Fits Most Open Array Radars (Furuno, Garmin, Simrad (non-Halo), Koden, Northstar)
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RW-44: 4° Wedge for Direct Mount, Fits Raymarine Open Array Radars
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RW46: 4° Radar Wedge, White, Fits Most Furuno 24" Domes
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RW47: 4° Radar Wedge for Halo
Product Description
Seaview's 4 Degree Radar Wedges are designed to improve radar performance by angling the radar 4 degrees downward from the horizontal plane. This direct-mount wedge situates itself underneath the radar dome or open array to refocus the radar beam for better coverage. The wedges are pre-drilled for quick, hassle-free installation and are compatible with a wide range of major radar brands including Furuno, Garmin, Raymarine, Simrad, JRC, Koden, and Northstar. The RW42BLK and RW46 wedges are constructed of durable marine-grade polymer King Starboard or injection molded ASA plastic, providing excellent corrosion resistance and longevity in marine environments.
Key Features
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Angled 4-degree design to optimize radar beam positioning
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Pre-drilled for direct mounting to specific radar models
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Fits most popular radar domes and open arrays between 15" and 24" (model specific)
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Compatible with Furuno, Garmin, Raymarine, Simrad, JRC, Koden, Northstar, and Halo radars
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Available in black (RW42BLK) and white (RW46) finishes
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Made from marine-grade King Starboard polymer or ASA plastic for corrosion resistance
Comparison Table
| Model | Color | Compatible Radar Types | Dome/Array Size Range | Material | Notes |
|---|---|---|---|---|---|
| RW-41 | Natural | Furuno, JRC, Koden | 15-18" 2KW Domes | Plastic | 4° angled wedge |
| RW42BLK | Black | Garmin, Raymarine, Simrad, Furuno | Most radar domes | King Starboard / ASA | Durable, corrosion-resistant |
| RW-43 | Natural | Furuno, Garmin Simrad(non-Halo), Koden, Northstar | Open Array Radars | Plastic | For most open arrays |
| RW-44 | Natural | Raymarine Open Array Radars | Open Arrays | Plastic | For Raymarine open arrays |
| RW46 | White | Furuno | Most 24" domes | King Starboard / ASA | Marine-grade, corrosion resistant |
| RW47 | Natural | Halo | Specific to Halo radars | Plastic | 4° wedge designed for Halo |
What’s In The Box
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One 4 Degree Radar Wedge (model and color specific)
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Pre-drilled mounting holes for direct attachment to radar

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