[IEEE 2013 82nd ARFTG Microwave Measurement Conference - Columbus, OH, USA (2013.11.18-2013.11.21)] 82nd ARFTG Microwave Measurement Conference - An automated method for VNA accuracy verification using the modified calibration comparison techniqueGuba, Vladimir G.; Savin, Aleksandr A.; Bykova, Olesia N.; Rumiantsev, Andrej; Maxson, Benjamin D. · 2013