Vlf Lf Reflection Properties Of The Low Latitude Ionosphere
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| Author | : Wayne I. Klemetti |
| Publisher | : |
| Total Pages | : 106 |
| Release | : 1988 |
| Genre | : Ionospheric electron density |
| ISBN | : |
Low latitude observations of VLF/LF pulse reflections from the lower ionosphere obtained at nine locations to the east and west of a transmitter in southeastern Brazil are described. The data provide a variety of information on the reflection properties of the ionosphere below about 90 km altitude. Aspects of the data are presented in quasi-dimensional formats useful for identifying ionosphere structure and variability, and detailed analyses of portions of the data provided, which characterize the effective heights of the reflection coefficients of the ionosphere at noon and midnight, over a frequency range from 15 to 65 kHz. Electron density models of the ionosphere, derived from VLF/LF reflection data are also discussed. Keywords: VLF propagation; LF Propagation; Ionosphere reflectivity d region.
| Author | : John E. Rasmussen |
| Publisher | : |
| Total Pages | : 26 |
| Release | : 1976 |
| Genre | : Ionosondes |
| ISBN | : |
This report provides a summary of high latitude ionospheric reflectivity as observed by the USAF's high resolution VLF/LF ionosounder operating in northern Greenland. Ionospheric reflectivity parameters, including reflection heights and coefficients, are presented as a function of time of day. VLF long path propagation measurements, along with magnetometer and riometer data, are presented as supplementary information. (Author).
| Author | : John E. Rasmussen |
| Publisher | : |
| Total Pages | : 78 |
| Release | : 1975 |
| Genre | : Ionosphere |
| ISBN | : |
A joint United States - Brazil experiment was conducted near the geomagnetic equator to confirm the theoretically predicted strong dependence of the ionospheric reflection properties on the azimuthal direction of wave propagation. Skywave delays, reflection coefficients, and polarization ellipses were measured at different frequencies, ranges, and azimuths. The results were compared with full-wave computer calculations for several ionospheric models. A series of high resolution waveforms showing the sunrise transition from night- to daytime conditions is included.
| Author | : Jules Aarons |
| Publisher | : |
| Total Pages | : 252 |
| Release | : 1984 |
| Genre | : Ionosphere |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 1006 |
| Release | : 1977 |
| Genre | : Aeronautics |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 840 |
| Release | : 1990 |
| Genre | : Power resources |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 594 |
| Release | : 1989-05 |
| Genre | : Science |
| ISBN | : |
| Author | : John M. Goodman |
| Publisher | : |
| Total Pages | : 716 |
| Release | : 1988 |
| Genre | : Ionosphere |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 680 |
| Release | : 1976 |
| Genre | : Nuclear energy |
| ISBN | : |
| Author | : Wen-Rui Hu |
| Publisher | : Routledge |
| Total Pages | : 452 |
| Release | : 2022-04-18 |
| Genre | : Science |
| ISBN | : 1351415409 |
Space science in China is one of the most active areas in modern science, and China has played a dynamic and steadily increasing role in this field since the 1960s. Until recently, however, activity in China was a mystery to the rest of the world. With the commercial importance of space, and the fact that space is now used as a laboratory to carry out various experiments, China has recently emerged as an important international competitor. Space Science in China provides a clear understanding of the latest research and progress in such wide-ranging areas as the development and research in solar-terrestrial science, space astronomy, geoscience, remote sensing, microgravity science, and life science.
