Advanced Navigation Boreas D90 - Dual Antenna Heading Accuracy; Sensor Specifications

6.1.1 Dual Antenna Heading Accuracy
Antenna Separation
0.5 m 0.01 °
1 m 0.006 °
2 m 0.005 °
5 m 0.004 °
10 m 0.003 °
Table 10: Heading Accuracy based onAntenna Separation
6.1.2 Sensor Specifications
Parameter Accelerometers Gyroscopes Pressure
Range ± 15 g ± 490 °/s 10 to 130 kPa
Bias Instability 7 ug 0.001 °/hr 8 Pa
Initial Bias < 100 ug < 0.01 °/hr < 50 Pa
Initial Scaling Error 340 ppm 80 ppm -
Scale Factor Stability 100 ppm 10 ppm -
Non-linearity 150 ppm 10 ppm -
Cross-axis Alignment Error < 0.001 ° < 0.001 ° -
Noise Density 30 ug/√Hz 0.06 °/h/√Hz 0.4 Pa/√Hz
Random Walk 17 mm/s/√hr VRW 0.001 °/√h ARW -
Bandwidth 300 Hz 400 Hz 50 Hz
Table 11: Boreas D90 Sensor Specifications
Note: Boreas sensors are calibrated for bias, sensitivity, misalignment, cross-axis sensitivity, non-
linearity and gyroscope linear acceleration sensitivity across the full operating temperature range.
v1.2 Page 12 11 Oct 2022
Boreas Reference Manual • Specifications