Fig5.xlsx

Column A: frequency for optically pumped magnetometer (OPM); Column B: OPM measured field spectrum; Column C, F, K: frequency for diamond sensor; Column D-E: noise spectrum measured by diamond magnetometer with and without MW on resonance; Column G: noise measurement without ferrite; Column H: frequency for measurement with ferrite; Column I, J: results of noise of measurement with ferrite, without calibration and with calibration; Colum L-N: noise of the gradiometer, Ch1, Ch2, and the graditometer