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R4 GPS / DGPS – NAVIGATION SYSTEM

HIGH END COMMERCIAL GPS AND DGPS SYSTEM

General

Waypoints 2000 waypoint memory
Routes 100 routes, using a total of 2000 waypoints
Functions Navigation (rhumb line and great circle), Position, Route, Waypoint, Event Mark, Plot, Sail To, MOB, GPS/DGPS, Alarms, Time Alerts, Trip Logs, Anchor Watch Alarm, Configuration
Integrity The product performs RAIM calculations in accordance with IEC 61108-1 Ed. 2
Supply 22 - 30 V DC, 12.5 W
Display High Resolution 6 inch, ¼ VGA monochrome, Sunlight Readable. Yoke or flush mounting of Display Unit
 

GPS Receiver

  • L1, C/A-code with carrier phase smoothing
  • 12 channels (2 channels dedicated to SBAS)
  • DGPS by SBAS or externally input RTCM corrections
  • Update rate 1 Hz default, 5 Hz max
  • Position accuracy: GPS*: 5 m, DGPS** 1 m (2D RMS)

* Dependent on ionospheric activity and multipath

** SVs >5, HDOP <2, RTCM SC-104 correction data from a dual frequency reference station, short baseline, and low multipath environment

DGPS Beacon Receiver

Dual receiver Manual or Automatic tuning
Frequency 283.5 to 325.0 kHz
MSK Bit Rates 50, 100, and 200 bps
Sensitivity 25 μV/m for 6 dB SNR @ 200 bps
Interfaces 2 bi-directional user ports RS422, 1 output port RS422, Alarm output port, Alarm acknowledge input discrete
Log pulse output Ports are configurable 4,800 - 38,400 bps
 

Dimensions (WxHxD)

Control and Display unit 270 x 207 x 102 mm
Navigation Sensor 128 x 39 x 137 mm

 

Weight

Control and Display unit 1.1 kg (2.4 Ib)
Navigation Sensor 0.5 kg (1Ib)

 

Compliance with the following Standards

  • IMO Performance Standard for GPS
  • IEC 61108-1 Ed2, GPS
  • IEC 61162-1/2 Ed.2, NMEA 0183, version 2.0 through 3.0

 

 

 

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