TY - RPRT TI - NIST calibration procedure for vertically polarized monopole antennas, 30 kHz to 300 MHz AU - Camell, D G PY - 1991 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 1347 DO - 10.6028/NIST.TN.1347 ER -