GMR 18 xHD3 Dome
A 17-inch radome marine radar with a 48 nm maximum range, 4 kW transmit power, and MARPA target tracking when paired with a heading sensor.
One stop shop for complete navigation & communication solutions.
Icom

Marine Radar Key Features: 36 NM Range Observation with 4kW Output Radome Scanner Simplified ARPA (Automatic Radar Plotting Aids) Function* DSC (Digital Selective Calling) Information Function* AIS (Automatic Identification System) Overlay Function* Wide…
Technical
| Display type | 10.4-inch Color TFT LCD |
|---|---|
| Resolution | 480 × 640 dots |
| Minimum range | 25 m; 82 ft (at 1/8 NM range) |
| Maximum range | 36 NM |
| Range scales (NM) | 1/8, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 32, 36 |
| Range scales (km) | 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 32, 36, 48 |
| Preheat time | 90 seconds |
| Power supply | 10.2–42 V DC |
| Power consumption | 55 W (approximately) |
| Usable temperature range | −15°C to +55°C; +5°F to +131°F |
| Input data format | NMEA 0183, N+1, AUX, IEC61162-2 |
| Output data format | NMEA 0183 |
| Scanner type | 60 cm; 2 ft radome scanner |
| Rotation speed | 24, 36 rpm typ. |
| Horizontal beamwidth | 4° typ. |
| Vertical beamwidth | 22° typ. |
| Sidelobe | −22 dB typ. |
| Scanner usable temperature range | −25°C to +70°C; −13°F to +158°F |
| Scanner usable humidity range | Less than 95% (at 40°C; +104°F) |
| Frequency | 9410 MHz ±30 MHz |
| Modulation | P0N |
| Peak output power | 4 kW |
| Pulse-width/repetition rate | 80 ns/2160 Hz, 80 ns/1440 Hz, 250 ns/1440 Hz, 350 ns/1440 Hz, 900 ns/720 Hz |
| Modulator | FET switching |
| Intermediate frequency | 60 MHz (EUR Version), 250 MHz (EXP Version) |
| IF bandwidth | 10 MHz / 3 MHz (EUR Version), 15 MHz / 3 MHz (EXP Version) |
| Tuning | Auto/manual selectable |
| Supplied system cable | 15 m; 49.2 ft (OPC-2341) |
Overview
Questions
The MR-1010RII has a 10.4-inch colour TFT LCD with a resolution of 480 x 640 dots.
The MR-1010RII has a maximum range of 36 NM, with selectable range scales down to 1/8 NM for close-in work.
The scanner unit has a peak output power of 4 kW at a frequency of 9410 MHz +/-30 MHz.
It runs on 10.2-42 V DC and draws approximately 55 W.
It has simplified ARPA, automatically tracking targets and showing their course and speed to help assess collision risk, alongside two user-programmable alarm zones. This is a simplified implementation rather than the full ARPA capability required on larger SOLAS-regulated vessels.
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A 17-inch radome marine radar with a 48 nm maximum range, 4 kW transmit power, and MARPA target tracking when paired with a heading sensor.
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