@misc{1157776, author = {J Ralph Johler}, title = {A Note on the propagation of certain LF pulses utilized in a radio navigation system:}, year = {1961}, month = {1961-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.118}, language = {en}, }