S.D. Slobin, T.Y. Otoshi, M.J. Britcliffe, L.S. Alvarez, S.R. Stewart, M.M. Franco,
Efficiency measurement techniques for calibration of a prototype 34-meter-diameter beam-waveguide antenna at 8.45 and 32 GHz IEEE Transactions on Microwave Theory and Techniques. ,vol. 40, pp. 1301- 1309 ,(1992) ,
10.1109/22.141364