Decoding file 90100544.WAT:
FileHdr ver=1 ID=9 rate=600 01/09/2017 20:53:51.114 dur=1.611
Second Marker 01/09/2017 20:53:51
Inertial Data  acc: -0.10268 -0.02705  0.04282  quat:  0.12714  0.74695 -0.27399  0.59229 norm:  0.999983
Inertial Data  acc: -0.10141  0.00104  0.01953  quat:  0.12292  0.74670 -0.27954  0.59088 norm:  0.999981
File 90100544.WAT: 2 data records in 1.611 seconds