@misc{1190886, author = {Frank M Greene}, title = {The influence of the ground (in the immediate vicinity of the receiving location) on the calibration and use of VHF field-intensity meters:}, year = {1949}, month = {1949-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.CRPL.8-3}, language = {en}, }