Plotting scaled, rotated circle fit

[nmaterise]

• On the circle fit output plots, it would be nice to show before/after electric delay and scaling have been removed from S21 in the complex plane, as was done in the supplemental of this paper: https://static-content.springer.com/esm/art%3A10.1038%2Fs41598-022-21256-7/MediaObjects/41598_2022_21256_MOESM1_ESM.pdf