internal_magnetic_field_T	frequency_avg_Hz	frequency_stdev_Hz
1.34e-06	4247.889613	0.003727
2.01e-06	4248.011866	0.003532
2.68e-06	4248.200610	0.004188
3.35e-06	4248.445932	0.003551
4.02e-06	4248.737588	0.003957
4.69e-06	4249.078662	0.003358
5.36e-06	4249.470435	0.003605
6.03e-06	4249.913637	0.004006
6.7e-06	4250.409249	0.003495
8.04e-06	4251.554670	0.003597
9.38e-06	4252.904845	0.003478
1.072e-05	4254.461759	0.004100
1.206e-05	4256.223077	0.003595
1.34e-05	4258.190693	0.003671
1.675e-05	4264.007972	0.003945