TY - GEN AU - Seturnino Canales C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1993-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.5007 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1993 TI - Dual-port circularly polarized probe standards at the National Institute of Standards and Technology: ER -