@article{oai:nagoya.repo.nii.ac.jp:00020222,
 author = {HAYAKAWA, Masashi and OHTSU, Jinsuke and IWAI, Akira},
 journal = {Proceedings of the Research Institute of Atmospherics, Nagoya University},
 month = {Mar},
 note = {The result of radio noise observation with VLF wide band receiver on board the K-9M-26 rocket is discussed. On the flight we observed a large number of short fractional-hop whistlers originating around the launching site. From the altitude dependence of their dispersion the electron density profile of the ionosphere with layer structure is derived. Also the analysis of ordinary whistlers shows that the whistlers which have emerged once above the maximum density region of the ionosphere, echo back and forth between both hemisphereres taking non-ducted propagation, resulting in large dispersion.},
 pages = {83--98},
 title = {ROCKET OBSERVATION OF VLF RADIO WAVES IN THE IONOSPHERE},
 volume = {17},
 year = {1970}
}