121021_ACC 3 100 1000
121021_ACC.dat 16 464.7801(-304663)/mg 0 0 -5345 11350 0 ACC_X
121021_ACC.dat 16 1394.3404(115033)/mg 0 0 -16035 23888 0 ACC_Y
121021_ACC.dat 16 560.1197(381161)/mg 0 0 280 -12344 0 ACC_Z