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Simrad GS25 GPS Antenna 000-11043-001

Simrad GS25 GPS Antenna

  • $ 299.00 USD

GS25 GPS Antenna 000-11043-001

GS25 Antenna with built in rate compass. 10 Hz position update rate. Build in rate compass is perfect for for providing heading data for Radar Chart Overlay and for orienting charts in Head Up Mode. Note: This heading sensor is not recommended for MARPA or Autopilot control! Please use the Precision 9 for this.

Key features of the GS25

  • NMEA 2000 antenna module offers rugged and precise position, and heading sensor
  • Spot-on, around-the-world accuracy -- supporting GPS and GLONASS, WASS/EGNOS/MSAS; Galileo-capable with future software update
  • Excellent time-to-first-fix, with 10-hertz, multi-GNSS, high-speed updates – up to 10 times per second -- for smoother and more accurate location updates
  • Integrated electronic rate stabilized compass to provide chart stabilization, accurate course over ground at low speed, and radar overlay
  • Rugged design for all marine environments and fully waterproof
  • Include spat/pole mount for easy installation and flexible boat location for optimal performance
  • Independent source selection on any display

Note: Not suitable for MARPA or Steering of an Autopilot. Please use an Precision-9



Receiver Type L1, C/A code, 1.575 GHz Frequency/L2 C/A code, 1.602 GHz Frequency
Channels 32 channels
Position Update Rate Up to 10 Hz (1,5,10)
Horizontal Accuracy 3 m (9.8 ft)
Heading Accuracy +/- 3°
Rate of Turn +/- 3°
Pitch / Roll Accuracy @30 degrees 1 grade error
Cold Start 50 sec
Start-Up Time 3 sec
Satellite Reacquisition 5 sec


Operating Temperature -25° C to +60° C
Storage Temperature -40° C to +85° C
Splash Proof IPX7
Humidity 40° C, 93%RH, operating


Input Voltage 9 V DC - 18 V DC
Reverse Polarity Protection Yes
Power Consumption < than 2w
Current Consumption < 100 mA @ 12 V DC
Dimensions 90 mm (diam) x 38mm (height) 3.54” (diam) x 1.50” (height)
Weight 0.14 Kg (0.3 lbs) aprox
Power/Data Cable NMEA 2000 thru NMEA 2000 network
Antenna Connector NMEA 2000 Micro C: Lowrance attached cable with Micro-C connector
Mounting Flush mount / Standard Pole Mount


Data I/O Protocol NMEA 2000

NMEA 2000 PGNs

PGN Number PGN Title
126992 System Time
129025 Position, Rapid Update
129026 COG & SOG RU
129029 Position Data
129539 GNS DOP
129540 GNS Satellites in view
127258 Magnetic Variation
127250 Compass Heading (Vessel Heading)
127251 Rate of Turn
127257 Attitude

Compliance Statements Lowrance Point-1, Simrad GS25 and B&G ZG100 Meet the technical standards in accordance with Part 15.103 of the FCC Rules. Comply with CE under R&TTE directive 1999/5/EC Comply with the requirements of level 2 devices of the Radio-communications (Electromagnetic Compatibility) standard 2008.The relevant Declaration of Conformity is available in the following website under model documentation section:

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