Decoding file 90100300.WAT:
FileHdr ver=1 ID=9 rate=600 01/09/2017 13:23:06.687 dur=1.528
Second Marker 01/09/2017 13:23:05
Inertial Data  acc:  0.09677 -0.08693  0.08063  quat: -0.38367 -0.48798  0.56494 -0.54364 norm:  1.000012
Inertial Data  acc:  0.10651 -0.08296  0.06926  quat: -0.37622 -0.48920  0.57123 -0.54126 norm:  1.000060
File 90100300.WAT: 2 data records in 1.528 seconds