Reference_magnitude = 0.569

Hard Iron bias (b):
Bx = -0.021585
By = 0.013339
Bz = -0.026296

Soft Iron matrix (A^-1):
[  0.956688   -0.017959    0.006692]
[ -0.017959    0.964393    0.003340]
[  0.006692    0.003340    1.036579]

Measured magnitude: 0.433603
Reference magnitude: 0.569000
Scale factor: 1.312262

Calibration quality:
Sample count: 25599
Overall score: 94.25%
Raw span: 99.61%
Octant coverage: 100.00%
Unit-vector PCA: 100.00%
Ellipsoid residual: 91.24%
Radius std: 82.49%

Validation:
Mean = 0.568913
Std = 0.009964
