Boreas D70 & D90

Utilizing world-first Digital FOG technology, the Boreas D70 and D90 deliver high-precision GNSS/INS performance with automatic Gyrocompassing, with the D90 offering an ultra-high accuracy INS and a 40% reduction in SWaP-C (Size, Weight, Power, and Cost) compared to standard solutions.

D70

D90

Roll & Pitch

0.01 °

0.005 °

Heading (Gyrocompass)

0.1 ° seclat

0.01 ° seclat

Bias Instability

0.01 °/hr

0.001 °/hr

Position Accuracy

10 mm

10 mm

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D70 Datasheet

D90 Datasheet

Boreas combines cutting-edge closed-loop Digital Fibre Optic Gyroscope (DFOG) and closed-loop accelerometer technologies with a dual antenna RTK GNSS receiver.

These are coupled in a sophisticated fusion algorithm to deliver accurate and reliable navigation. The system features ultra-fast gyro compassing, acquiring and maintaining an accurate heading under all conditions with no reliance on GNSS.

Boreas is compatible with our post-processing kinematic (PPK) software Kinematica.

Features

Applications

Specifications

Downloads

Features

Revolutionary DFOG Technology

Boreas takes Fibre Optic Gyroscope (FOG) technology into the next generation with new, patent-pending Digital FOG (DFOG) technology, developed over 25 years with 2 research institutions. This revolutionary DFOG technology combines a specially designed closed-loop optical coil with advanced spread spectrum digital modulation techniques that have never been used in a FOG before. The resulting DFOG offers dramatically improved accuracy, stability, and reliability with significantly reduced size, weight, power, and cost.

Ultra-Fast North Seeking

The superior accuracy of the DFOG technology enables the Boreas range to rapidly determine heading, without the need for GNSS or magnetometers. By sensing the Earth’s rotation, Advanced Navigation’s revolutionary north-seeking algorithm allows Boreas to acquire an accurate heading within minutes of start up. This can be achieved in both static and dynamic conditions, as well as at high latitudes.

Reliability

Boreas has been designed from the ground up for rugged reliability. Both the hardware and software are designed and tested to safety standards. The precision aluminum enclosure is waterproof and dustproof to the IP67 standard. The system is resilient to shock and vibration, allowing them to be used in the most extreme conditions. The hardware is designed and tested to MIL standards. The GNSS variants contains RAIM, which excludes malfunctioning or tampered satellite signals.

Industry-Leading SWaP-C

Based on ground-breaking DFOG technology, the Boreas range offers industry-leading size, weight, power and cost, when compared to competing systems of similar performance.

Multi Protocol Support

The Boreas range features multiple interfaces including Ethernet, CAN, RS232, RS422 and GPIOs. It supports all the industry standard protocols including NMEA, CANopen, NTP, PTP, as well as a wide variety of proprietary protocols. A rich, responsive embedded web interface provides full access to all of the device’s internal functions and data. Internal storage allows for up to 1 year of data logging.

Applications

Marine Surveying
Land Surveying
Antenna Targeting
ROV/AUV Navigation

Specifications

Roll & Pitch Accuracy | D90
0.005 °
Roll & Pitch Accuracy | D70
0.01 °
Heading Accuracy (without GNSS) | D90
0.01 ° secant latitude
Heading Accuracy (without GNSS) | D70
0.1 ° secant latitude
Gyrocompass Coarse Alignment (without GNSS)
2 minutes
Horizontal Position Accuracy (RTK or PPK)
0.01 m
Vertical Position Accuracy (RTK or PPK)
0.015 m
Horizontal Position Accuracy (SBAS)
0.5 m
Vertical Position Accuracy (SBAS)
0.8 m
Velocity Accuracy
0.005 m/s
Heave Accuracy
2 % or 0.02 m (whichever is greater)
Output Rate
1000 Hz

Accelerometers

Range
± 15 g
Bias Instability
7 ug
Initial Bias
< 100 ug
Initial Scaling Error
340 ppm
Scale Factor Stability | D90
100 ppm
Scale Factor Stability | D70
150 ppm
Non-linearity
150 ppm
Cross-axis Alignment Error
< 0.001 °
Noise Density | D90
30 ug/√Hz
Noise Density | D70
40 ug/√Hz
Random Walk | D90
17 mm/s/√hr VRW
Random Walk | D70
23 mm/s/√hr VRW
Bandwidth
300 Hz

Gyroscopes

Range
± 490 °/s
Bias Instability (D90)
0.001 °/hr
Bias Instability (D70)
0.01 °/hr
Initial Bias (D90)
< 0.01 °/hr
Initial Bias (D70)
< 0.05 °/hr
Initial Scaling Error (D90)
80 ppm
Initial Scaling Error (D70)
100 ppm
Scale Factor Stability (D90)
10 ppm
Scale Factor Stability (D70)
20 ppm
Non-linearity
10 ppm
Cross-axis Alignment Error
< 0.001 °
Noise Density (D90)
0.06 °/hr/√Hz
Noise Density (D70)
0.3 °/hr/√Hz
Random Walk (D90)
0.001 °/√h ARW
Random Walk (D70)
0.005 °/√h ARW
Bandwidth
400 Hz

Pressure

Range
10 to 130 kPa
Bias Instability
8 Pa
Initial Bias
< 50 Pa
Noise Density
0.4 Pa/√Hz
Bandwidth
50 Hz

Model
Advanced Navigation Aries
Supported Navigation Systems
GPS L1, L2 • GLONASS L1, L2 • GALILEO E1, E5b • BeiDou B1, B2
Supported SBAS Systems
WAAS • EGNOS • MSAS • GAGAN • QZSS
Update Rate
Up to 20 Hz
Hot Start First Fix
2 s
Cold Start First Fix
30 s
Horizontal Position Accuracy
1.2 m
Horizontal Position Accuracy (with SBAS)
0.5 m
Horizontal Position Accuracy (with RTK)
0.01 m
Velocity Accuracy
0.05 m/s
Timing Accuracy
20 ns
Acceleration Limit
4 g

Interface
Ethernet • RS232/RS422 • CAN • 1PPS
Speed
100Mbit • 4800 to 4M baud serial
Protocol
AN Packet Protocol • NMEA • CANopen
Peripheral Interface
2x GPIO • 1x Auxiliary RS232
GPIO Level
5 V (RS232) • 3.3 V
GPIO Functions
1PPS input/output • Odometer input • DVL/USBL input • Air Data input • Zero Velocity input • NMEA input/output • Novatel GNSS input • Trimble GNSS input • AN Packet Protocol • CAN/CANopen

Operating Voltage
9 to 36 V
Input Protection
-200 to 200 V
Power Consumption (Typical)
12 W
Hot Start Battery Capacity
> 48 hrs
Hot Start Battery Charge Time
30 mins
Hot Start Battery Endurance
> 10 years
Operating Temperature
-40 °C to 75 °C
Environmental Protection
IP67 • MIL-STD-810H
MTBF
> 70,000 hrs
Shock Limit
50 g 11 ms
Vibration
8g rms (20-2000 Hz random)
Dimensions
160 x 140 x 115.5 mm
Weight
2.8 kg

Downloads

Datasheet D90

Version 1.60

Jul 2025

View Online

Datasheet D70

Version 1.30

Jul 2025

View Online

Reference Manual D70 & D90

Online Version

View Online

Version 2.0.2

21 May 2025

Download

3D Model

Version 1.2

25 Sep 2024

Download

Boreas D90 Performance Evaluation

Version 1.1

Nov 2023

Download

Boreas Manager

Version 7.3

11 Apr 2024

Download

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

Boreas D70 Firmware

Version 2.0

31 Mar 2025

Download

Firmware for Boreas D70 hardware versions. This can be loaded onto Boreas using the web interface or the Boreas Manager software. The change log can be found in the Boreas reference manual.

Boreas D90 Firmware

Version 2.0

31 Mar 2025

Download

Firmware for Boreas D90 hardware versions. This can be loaded onto Boreas using the web interface or the Boreas Manager software. The change log can be found in the Boreas reference manual.

Boreas SDK

Version 7.3

28 Aug 2024

Download

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

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