You can check my last firmware v1.0.39
/g/nanovna-users/files/Dislord%27s%20Nanovna%20-H%20FirmwareAdded fixes for this compensation (thanks for OneOfEleven), but extended for use any points count/different FFT size (my firmware allow select different points, up to 401 for H4, also H4 use 512 FFT for support 401 points)
