Shielding effectiveness measurements and uncertainty estimation for textiles by a VNA-based free space transmission methodS.M. Patel, K. Patel, P.S. Negi and V.N. OjhaInt. J. Metrol. Qual. Eng., 4 2 (2013) 109-115DOI: https://doi.org/10.1051/ijmqe/2013042