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Pedestal and Antennas
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GMR-404 & GMR-406
Radar Arrays

The GMR 404 open array radar antenna allows you to scan more of what's out there while you're on the water. Whether ships, shores, birds or weather, you'll see it sooner with the GMR 404 and its counterpart, the GMR 406.

The GMR 404 is a 4-foot scanner with 1.8° beamwidth and a 72 nautical mile range. With this bandwidth and 4 kilowatts of power, this radar offers outstanding clarity, precision and target definition.

The GMR 406 is a 6-foot scanner with 1.1 ° beamwidth. With this bandwidth and 4 kilowatts of power, this radar offers outstanding clarity, precision and even more detailed target definition.

Any network-compatible Garmin chartplotter can double as your radar screen. And as an aid to locational awareness, you can overlay the GMR 404 radar image on the Garmin network's moving map cartography display. You can also split the on-screen display so that you can view the map and the standard radar page simultaneously.

Part No.

Description

MAP

Your Price

gar0100048400

$

gar0100048401

$

gar0100048402

$

GMR 404/406 Marine Radar Specifications

Moving map features

Antenna Type: End fed slotted waveguide

Input Return Loss: Better thean -20 dB

Polarization: Horizontal

Antenna Gain: 29 dB (404), 30 dB (406)

Horizontal Sidelobes: -23 dB within +/-10 deg of main -30 dB outside +/-10 deg of main (404) -25 dB within +/-10 deg of main -30 dB outside +/-10 deg of main (406)

Antenna Weight: 12 lbs (404), 16 lbs (406)

Pedestal Physical Size: 24” x 11” x 16”

Transmit Power: 4KW

Power input: 10.5-38 Vdc, 45W typical

Input Power
(100 kts wind): 130 W maximum

Antenna Beamwidth: 1.8 (404) and 1.1 (406) degrees horizontal /
25 degrees vertical (both 404 & 406)

Antenna RPMs: 24 rpm and 48 rpm

Scanner Operating
Temperature:
Range: -10 degrees C to 60 degrees C, and a relative humidity up to 95% at 35 degrees C

Wind Velocity
(relative): Withstands up to 100 Kts without performance degradation

Scanner
Waterproofing:
Waterproof to IEC 60529 IPX6 standards

Bearing Accuracy: 1 degree

Maximum Range: 72 nm

Minimum Range: 20 meters

Range Discrimination: 20 meters

Range Ring Accuracy: 20 meter or +/- 1.5% of range scale, whichever is greater

Receiver Noise Figure: Less than 4 dB

Range/Pulse
Width/PRF
(nm/nsec/Hz):

  • 0.125/65/2304
  • 0.250/65/2304
  • 0.500/80/2304
  • 0.750/200/1152
  • 1.0/250/1152
  • 1.5/500/576
  • 2.0/500/576
  • 3.0/800/576
  • 4.0/800/576
  • 6.0-24/1000/576
  • 36-72/1000/288

     

    Clutter Suppression:

  • Sea Clutter
  • Rain Clutter
  • FTC
    Pedestal Weight: 42 lbs (19 kg)

    Cable:15 meters long; 8.4 lbs (3.8 kg)

    Controls:

  • Auto & Manual Gain Adjust
  • Manual or Auto (AFC) receiver tuning
  • Manual adjust for Rain Clutter and 3 presets for Sea Clutter
  • FTC presets
    *VRM/EBL: 2 user adjustable, capable of floating

    *Presentation Modes: North up, Course up, Heading up

    Interference Rejection: Yes - Anti-jamming algorithm

    *Radar/Chart Overlay: Overlay mode is supported. Also has split overlay with standard radar presentation.

    *Zoom Mode: 2x, 4x

    *Trails: Short, Medium, Long

    *Guard Zone Alarm: 2 guard zones - user adjustable

    *Off center Function: Look ahead, Auto Shift and Manual

    FTC: Low, Medium, High

    *MARPA: Yes. Tracks up to 10 MARPA targets for radar plotting and collision avoidance. (Heading sensor is required)

    --> Specifications are subject to change without notice.

Pyacht.com
Performance Yacht Systems
919 Bay Ridge Road
Annapolis, MD  21403

Toll free: 1-877-379-2248
Local: (410) 267-8681

 

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