Decoding file 90100549.WAT:
FileHdr ver=1 ID=9 rate=600 01/09/2017 21:02:04.017 dur=1.609
Second Marker 01/09/2017 21:02:04
Inertial Data  acc:  0.02853 -0.01169  0.01828  quat: -0.38159  0.66675  0.28485  0.57324 norm:  0.999956
Inertial Data  acc:  0.01418  0.03043  0.04356  quat: -0.38263  0.66705  0.28656  0.57135 norm:  0.999961
File 90100549.WAT: 2 data records in 1.609 seconds