#headers' desciption: f - frequency in kHz; v - velocity in mm/s/sqrt(W)
f v
2.76414e+01 4.14297e+01
2.78917e+01 3.65977e+01
2.81421e+01 3.89855e+01
2.83925e+01 3.97181e+01
2.86429e+01 4.00335e+01
2.88932e+01 3.47948e+01
2.91436e+01 4.64965e+01
2.93940e+01 3.89773e+01
2.96444e+01 3.68328e+01
2.98947e+01 4.10927e+01
3.01451e+01 4.77389e+01
3.03955e+01 3.91216e+01
3.06459e+01 3.85954e+01
3.08962e+01 4.08855e+01
3.11466e+01 5.04435e+01
3.13970e+01 4.23325e+01
3.16474e+01 4.32919e+01
3.18977e+01 4.40626e+01
3.21481e+01 4.76237e+01
3.23985e+01 4.77729e+01
3.26489e+01 4.62655e+01
3.28992e+01 4.68513e+01
3.31496e+01 4.71380e+01
3.34000e+01 4.54129e+01
3.36504e+01 4.19808e+01
3.39008e+01 4.63036e+01
3.41511e+01 4.70926e+01
3.44015e+01 4.33171e+01
3.46519e+01 4.25779e+01
3.49023e+01 3.64321e+01
3.51526e+01 3.55717e+01
3.54030e+01 4.38642e+01
3.56534e+01 4.47944e+01
3.59038e+01 4.33313e+01
3.61541e+01 4.24753e+01
3.64045e+01 3.69865e+01
3.66549e+01 3.83123e+01
3.69053e+01 4.52847e+01
3.71556e+01 4.67086e+01
3.74060e+01 4.75130e+01
3.76564e+01 4.70584e+01
3.79068e+01 4.28748e+01
3.81571e+01 4.24789e+01
3.84075e+01 4.45512e+01
3.86579e+01 4.44571e+01
3.89083e+01 4.36408e+01
3.91586e+01 4.21894e+01
3.94090e+01 3.99387e+01
3.96594e+01 3.76500e+01
3.99098e+01 3.45622e+01
