Decoding file 90100380.WAT:
FileHdr ver=1 ID=9 rate=600 01/09/2017 16:31:13.382 dur=0.514
Second Marker 01/09/2017 16:31:13
Inertial Data  acc:  0.02293 -0.02933 -0.00595  quat: -0.53009  0.57971  0.48340  0.38617 norm:  0.999931
Inertial Data  acc:  0.01126 -0.01071  0.01042  quat: -0.54279  0.57294  0.47278  0.39178 norm:  0.999944
File 90100380.WAT: 2 data records in 0.514 seconds