Frequency_Hz Amplitude_MHz Phase_deg Amplitude_Std_MHz 1.0000001 43.052121 -2.6275854 4.3296236 1.6237763 42.323736 -0.46555797 4.3596027 2.6366493 42.894855 -4.0199816 4.2536522 4.2813305 42.094533 -1.1977717 4.0987379 6.9519302 40.479218 -1.0039001 4.0446293 11.288378 40.22817 -3.0169154 4.0818295 18.329805 39.917131 -4.1118184 4.0182339 29.763513 39.37283 -3.9897548 3.8321821 48.329302 37.36303 -4.7512312 3.7094806 78.475997 38.505165 -4.3200106 3.6283413 127.4275 36.347814 -5.9248284 3.4766508