TY - RPRT TI - Design and calibration of the NBS isotropic electric-field monitor (EFM-5), 0.2 to 1000 MHz AU - Larsen, E B PY - 1981 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 1033 DO - 10.6028/NBS.TN.1033 ER -