In the calibration procedure for two-port vector network analyzer (VNA) with three measurement channels
the length-unknown 50 ohm line is used in short-open-load-thru (SOLT) calibration algorithm instead of Load standard.It is aimed to decrease the measurement cost and simplify the measurement process.Via this calibration procedure
the systematic error terms are not required and the accurate scattering parameters of a two-port device under test (DUT) can be obtained by the measured scattering parameters during the calibration and measurement procedure.Experimental verification was carried out through SOLT method