Time_s   F1_Hz   F2_Hz   F3_Hz   F4_Hz
0.701650   503.131967   1639.557433   2957.642898   4210.696619
0.707900   428.854794   1406.082803   2874.045690   4336.301822
0.714150   406.191744   1320.770051   2828.221170   4390.135876
0.720400   390.076214   1335.431633   2764.833284   4215.729535
0.726650   376.224595   1516.771978   2601.430983   3759.746768
0.732900   405.736138   1727.848604   2279.711982   3603.717276
0.739150   420.478467   1882.901081   2266.681963   3549.966507
0.745400   456.515535   1879.264237   3299.578538   4262.305082
0.751650   485.638159   1599.476634   2878.735328   4087.221464
0.757900   435.200717   1708.938149   2910.306704   4104.284006