Frequency_Hz Amplitude_MHz Phase_deg Amplitude_Std_MHz 1.0000001 39.192143 177.1902 0.39547061 1.6237763 38.675873 177.07349 0.38889639 2.6366493 38.051914 176.53206 0.3851021 4.2813305 37.401714 176.36258 0.3790596 6.9519302 36.687178 176.02925 0.36781389 11.288378 35.870137 175.455 0.36469676 18.329805 35.189976 174.84604 0.36194918 29.763513 34.161536 173.83071 0.3432299 48.329302 32.887146 172.94794 0.37576254 78.475997 31.440039 172.3478 0.32384185 127.4275 29.937159 172.03231 0.30662634