# skrf.calibration.calibration.UnknownThru.error_ntwk¶

UnknownThru.error_ntwk

The calculated error Network or Network[s]

This will return a single two-port network for a one-port cal. For a 2-port calibration this will return networks for forward and reverse excitation. However, these are not sufficient to use for embedding, see the embed() function for that.