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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