ANAMET comparison of complex scattering coefficient measurements of microwave adaptors

This paper presents results obtained from a recent exercise to compare measurements of the complex scattering coefficients of electrical adaptors at microwave frequencies. The results obtained by the six laboratories participating in the exercise are summarised in terms of the between laboratory reproducibility. Multivariate robust statistical techniques are used to obtain summary statistics for the complex-valued data. The comparison exercise was coordinated by ANAMET-the Automatic Network Analyser METrology forum for people and organisations involved in RF and microwave network measurements.