TY - GEN AU - Beatty, Robert William C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.657 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - Calculated and measured S₁₁, S₂₁, and group delay for simple types of coaxial and rectangular waveguide 2-port standards: ER -