GNSS Compass

The GNSS Compass is a plug-and-play GNSS/INS navigation and heading solution.

Roll & Pitch
0.4 °
Position Accuracy (RTK)
0.01 m
Heading
0.2 °
Update Rate
200 Hz
GNSS Compass

GNSS Compass is an all-in-one GNSS/INS navigation and heading solution.It provides accurate dual-antenna GPS-based heading that is not subject to magnetic interference and can maintain accurate heading during GNSS outages of up to 20 minutes. It features high accuracy 1cm RTK positioning and is plug and play with NMEA 0183, NMEA 2000, and Ethernet interfaces.

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Features

Advanced Navigation | GNSS Compass

Plug-And-Play

GNSS Compass is a fully plug-and-play solution with support for both NMEA 2000 and NMEA 0183. There is no configuration, setup or calibration required. Reliable position and heading in minutes.
Acoustic Heading

GNSS Heading

GNSS Compass uses dual GNSS antennas to reliably determine true heading with high accuracy. It doesn't require motion to work and it isn't affected by magnetic interference.

Protocols Interfaces

Interface Options

GNSS Compass is available in both a serial variant and a power over ethernet variant. The serial variant supports both NMEA 2000 and NMEA 0183 for plug-and-play connection to existing marine systems, while the power over ethernet variant allows simplified power and network cabling with maximum flexibility for new applications.

Dual Frequency RTK GNSS

Dual Frequency RTK GNSS

GNSS Compass features L1/L2 RTK to deliver real time position accuracy of 10 mm. It supports all of the current and future satellite navigation systems including GPS, GLONASS, GALILEO and BeiDou.

Time Server

Time Server

GNSS Compass features a GPS disciplined oscillator allowing it to act as a high accuracy time reference for other systems. The power over ethernet variant supports both PTP and NTP for precise time synchronization across your whole network.

Applications

Specifications

Navigation

Horizontal Position Accuracy
1.5 m
Vertical Position Accuracy
2.0 m
Horizontal Position Accuracy (with RTK)
0.01 m
Vertical Position Accuracy (with RTK)
0.015 m
Velocity Accuracy
0.05 m/s
Roll & Pitch Accuracy
0.4 °
Heading Accuracy
0.2 °
Heave Accuracy
5 % or 0.05 m (whichever is greater)
Range
Unlimited
Hot Start Time
500 ms
Output Data Rate
Up to 200 Hz

GNSS

Supported Navigation Systems
GPS L1, L2 • GLONASS L1, L2 • GALILEO E1, E5b • BeiDou B1, B2
Supported SBAS Systems
WAAS • EGNOS • MSAS • GAGAN • QZSS
Acceleration Limit
4 g
Hot Start First Fix
6 s
Cold Start First Fix
30 s
Heading Fix (after valid position)
10 s

Communication

Ethernet

Interface
Ethernet
Speed
10/100
Protocol
NMEA0183 • AN Packet Protocol • TSS1 • Simrad • RTCM
Ports
Up to 4 TCP or UDP ports
Timing
PTP Server • NTP Server
Timing Accuracy (PTP)
50 ns
Timing Accuracy (NTP)
1 ms

Serial

Interface
RS422 or RS232 • CAN bus
Speed
2400 to 1 M baud
Protocol
NMEA0183 • NMEA2000 • AN Packet Protocol • TSS1 • Simrad • RTCM
Timing
1PPS Output
Timing Accuracy
20 ns

Hardware

Ethernet

Power Input
Power over Ethernet (PoE) 802.3af or 802.3at
Power Consumption
1.3 W
Operating Temperature
-40 °C to 85 °C
Environmental Protection
IP67 • MIL-STD-810G
Shock Limit
75 g 11 ms
Dimensions
672 x 190 x 73.9 mm
Weight
1450 grams

Serial

Operating Voltage
9 to 36 V
Power Consumption
1.4 W
Operating Temperature
-40 °C to 85 °C
Environmental Protection
IP67 • MIL-STD-810G
Shock Limit
75 g 11 ms
Dimensions
672 x 190 x 73.9 mm
Weight
1450 grams

Documentation

Datasheet
21 Sep 2021 - V3.0
Reference Manual (Online)
Latest
Reference Manual (PDF)
14 Nov 2023 - V2.5
Ethernet 3D Model
23 Jan 2018 - V1.0
Serial 3D Model
23 Jan 2018 - V1.0

Software

GNSS Compass Manager

GNSS Compass Manager is used for testing, configuration, firmware management and logging with GNSS Compass. Java 11 is required to run GNSS Compass Manager v7.0 and later. Adoptium JRE 11 is the recommended Java installer. Please see the reference manual for more information.

10 Nov 2023 – V7.2

GNSS Compass Firmware

The firmware for all GNSS Compass hardware versions. This can be loaded onto GNSS Compass using the web interface or the GNSS Compass Manager software. The change log can be found in the GNSS Compass reference manual.

10 Nov 2023 – V2.30

GNSS Compass SDK

The GNSS Compass SDK provides example source code for interfacing with Certus through the AN Packet Protocol. The languages provided are C/C++, Java, and .Net C#.

09 Jan 2023 – V7.0

Case Studies

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