Ideal position sensor for Radar, AIS, ECDIS, autopilot, echo sounder and other navigation and communications equipment
 Full compliance with IMO MSC. 112 (73) and IEC 61108-1: performance and testing standards for GPS receiver
 Enhanced stability and precision in position fixing thanks to a highly sensitive antenna unit

Enhanced noise rejection capabilities are incorporated in the GPS receiver, delivering anti-jamming function as well as high level of tolerance towards multi-path mitigation*

* the Antenna unit GPA-020S or GPA-021S is required

 Augmentation to enhance precision by utilizing SBAS (Satellite-Based Augmentation System) and DGPS (an optional DGPS radio beacon receiver as well as GPA-021S antenna unit required)
 Fully complies with IMO MSC. 114 (73) and IEC 61108-4: performance and testing standards for DGPS radio beacon receiver
 10 Hz position update rate (position updated every 0.1 second) making steady own ship position tracking possible
 USB port available on the front panel

Routing data, menu setting, user setting can be exported/imported through USB jump drives

 Dual configuration for back-up purpose to ensure system availability

Information about waypoints, route and other data set by the operators on the one unit can be shared with the other unit for functional back-up

 LAN interface available for efficient network integration into a bridge system, fully complying with IEC 61162-450, the new mandatory Ethernet communication standard
 5.7” color LCD (with 640 x 480 pixels) for data presentation
 Simplified menu operation

The operator can navigate through the menu tree either by pressing the cursor pad or pressing the corresponding numbers on the numeric keypad to the menu items

 Enhanced route planning/management function available
  • Comprehensive range of voyage information to be incorporated in routes
  • Streamlined route creation through combination with an external PC
  • Sharing the active route information with ECDIS to supplement the ECDIS route monitoring capability

Display Mode

 Variety of display modes available: Plotter, Course, Highway, Data and Integrity



  • (A) Basic positioning data such as own ship position data, its data integrity, time, etc., are presented. Also, display mode as well as notice icons are displayed.
  • (B) The area shows the information specific to the display mode currently selected. Please refer to each of the display modes for details.
  • (C) Guide to currently available actions is displayed. Under alert situation, the information about the most imminent alert is displayed.



Information to be displayed:

  • Simplified plotter display
  • Cursor information
  • Contextual menu
  • SOG/COG data boxes


Information to be displayed:

  • Skyplot presentation of currently viewable satellites
  • Status on GNSS/SBAS satellite signal reception; incl.
    signal strength/signal to noise ratio (in bar/line charts)
  • Elevation angles of the available satellites
  • Detailed information about the beacon stations

Information to be displayed:

  • Course information
  • SOG/COG data boxes
  • User-preset cross track limit of deviation (XTE)
  • Own ship gauge, showing the attitude of the ship, incl. pitch, roll and heave


Information to be displayed:

  • Graphical presentation of course information, incl. current waypoint, bearing to the destination, COG, XTE
  • Estimated Time of Arrival data box, incl. required time to reach the current/next waypoints and range to the waypoint*
    * when autopilot is interfaced, the following information is shown in the data boxes: Autopilot status data box, incl. mode, ship’s heading, rudder angle, and COG, and SOG data box.
  • Velocity to destination
  • Trip distance data
Information to be displayed:

Information to be displayed:

  • Navigation data boxes configurable according to the needs of the operators

Interconnection Diagram

 For new building

*Specify when ordering
**Selectable when DGPS beacon receiver is incorporated into the Display Unit GP-170.


 For retrofitting

*Specify when ordering. The GPA-019S from the GP-150 previously installed can be used. If type-approved DGPS is required, please replace it with GPA-021S.
**Selectable when DGPS beacon receiver is incorporated into the Display Unit GP-170.