Time_s   F1_Hz   F2_Hz   F3_Hz   F4_Hz
0.426650   381.328078   1863.719858   2589.465435   3878.215304
0.432900   381.768525   1876.127050   2564.804996   3723.552540
0.439150   384.518952   1894.128164   2532.535970   3434.014541
0.445400   388.658013   1927.898488   2532.746280   3562.660621
0.451650   390.997225   1979.943666   2558.325052   3432.898412
0.457900   391.360161   1992.040401   2551.616361   3357.988064
0.464150   393.969984   2009.050868   2555.203059   3406.401634
0.470400   406.067471   2037.129094   2565.363522   3455.471295
0.476650   417.348746   2085.053395   2592.676506   3514.994811
0.482900   421.680628   2117.218222   2599.248674   3517.328552
0.489150   423.383441   2137.549804   2582.121828   3483.931345
0.495400   421.669029   2166.888660   2549.609051   3448.950251
0.501650   418.204874   2181.798096   2520.782506   3435.788800
0.507900   412.613430   2204.261868   2479.922217   3432.456738
0.514150   405.907821   2215.344471   2450.042926   3395.476557