time (s),Bulk side band separation from bulk trace (Hz),,Frequency separation of bulk and surface traces (Hz) 0.32917,24.225,0.32917,22.067 0.43333,22.364,0.43333,22.425 0.5375,22.134,0.5375,22.004 0.64167,21.99,0.64167,21.312 0.74583,21.297,0.74583,21.283 0.85,21.121,0.85,20.658 0.95417,20.343,0.95417,20.621 1.0583,20.673,1.0583,19.984 1.1625,20.162,1.1625,19.854 1.2667,19.092,1.2667,19.35 1.3708,19.201,1.3708,18.372 1.475,17.689,1.475,18.059 1.5792,17.231,1.5792,17.67 1.6833,17.559,1.6833,17.495 1.7875,17.705,1.7875,17.172 1.8917,17.119,1.8917,16.847 1.9958,16.268,1.9958,16.331 2.1,16.356,2.1,15.372 2.2042,15.382,2.2042,15.332 2.3083,15.361,2.3083,14.335 2.4125,14.123,2.4125,14.288 2.5167,14.237,2.5167,13.452 2.6208,13.574,2.6208,13.227 2.725,13.947,2.725,12.671 2.8292,11.849,2.8292,12.182 2.9333,11.123,2.9333,11.58 3.0375,10.821,3.0375,11.077 3.1417,10.478,3.1417,10.376 3.2458,9.6004,3.2458,9.2668 3.35,8.6403,3.35,8.2476 3.4542,NaN,3.4542,7.6122 4.1833,8.7016,NaN,NaN 4.2875,8.4908,4.1833,8.7127 4.3917,8.8844,4.2875,9.3829 4.4958,8.8435,4.3917,8.7707 4.6,9.363,4.4958,9.6472 4.7042,9.3344,4.6,9.5544 4.8083,9.4121,4.7042,9.6345 4.9125,9.6762,4.8083,9.792 5.0167,9.6004,4.9125,9.9334 5.1208,9.6902,5.0167,10.418 5.225,9.6649,5.1208,10.172 5.3292,9.824,5.225,10.195 5.4333,10.25,5.3292,10.252 5.5375,10.609,5.4333,10.33 5.6417,11.055,5.5375,10.399 5.7458,11.252,5.6417,10.459 5.85,11.423,5.7458,10.514 5.9542,11.689,5.85,10.571 6.0583,11.877,5.9542,10.646 6.1625,11.812,6.0583,10.707 6.2667,11.414,6.1625,10.759 6.3708,11.289,6.2667,10.786 6.475,11.416,6.3708,10.781 0,0,6.475,10.767 0,0,6.5792,10.8 0,0,6.6833,11.34 0,0,6.7875,10.951 0,0,6.8917,10.86 0,0,6.9958,10.844 0,0,7.1,10.865 0,0,7.2042,10.889 0,0,7.3083,10.91 0,0,7.4125,10.922 0,0,7.5167,10.934 0,0,7.6208,11.456 0,0,7.725,11.159 0,0,7.8292,11.211 0,0,7.9333,11.187 0,0,8.0375,11.142 0,0,8.1417,11.113 0,0,8.2458,11.066 0,0,8.35,11.021 0,0,8.4542,11.049 0,0,8.5583,11.151 0,0,8.6625,11.143 0,0,8.7667,11.101 0,0,8.8708,11.1 0,0,8.975,11.116 0,0,9.0792,11.115 0,0,9.1833,11.105 0,0,9.2875,11.127 0,0,9.3917,11.161 0,0,9.4958,11.227 0,0,9.6,11.28 0,0,9.7042,11.722 0,0,9.8083,11.178 0,0,9.9125,11.147 0,0,10.017,11.242 0,0,10.121,11.321 0,0,10.225,11.274 0,0,10.329,11.189 0,0,10.433,11.178 0,0,10.537,11.173 0,0,10.642,10.634 0,0,10.746,11.013 0,0,10.85,11.042 0,0,10.954,11.56 0,0,11.058,11.118 0,0,11.162,11.032 0,0,11.267,10.983 0,0,11.371,11.043 0,0,11.475,11.126 0,0,11.579,11.092 0,0,11.683,10.999 0,0,11.787,11.012 0,0,11.892,11.154 0,0,11.996,11.247 0,0,12.1,11.232 0,0,12.204,11.68 0,0,12.308,11.213 0,0,12.412,11.13 0,0,12.517,11.133 0,0,12.621,11.265 0,0,12.725,11.352 0,0,12.829,11.318 0,0,12.933,11.15 0,0,13.037,10.361 0,0,13.142,10.691 0,0,13.246,10.882 0,0,13.35,11.619 0,0,13.454,11.561 0,0,13.558,11.608 0,0,13.662,11.487 0,0,13.767,11.293 0,0,13.871,11.183 0,0,13.975,11.129 0,0,14.079,10.753