The Ionospheric Irregularities Causing Fading of Low-frequency Radio Waves PDF Download
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Author: S. A. Bowhill
Publisher:
ISBN:
Category :
Languages : en
Pages : 138
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Book Description
Author: S. A. Bowhill
Publisher:
ISBN:
Category :
Languages : en
Pages : 138
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Book Description
Author: N. D'Angelo
Publisher: Springer Science & Business Media
ISBN: 9401034028
Category : Science
Languages : en
Pages : 225
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Book Description
During the last week of September 1968, ESRIN (the European Space Research Institute) held the ESRIN-ESLAB Symposium on 'Low-Frequency Waves and Irregularities in the Ionosphere' in Frascati, near Rome. The symposium was attended by about 60 participants, including speakers from most of the ESRO member states, the U.S.A., the U.S.S.R., and Peru. The main topics covered were: (a) observations of ionospheric irregularities by radar scattering, (b) scintillations of satellite signals, (c) geomagnetic micropulsations, and (d) whistlers. Both theoretical and observational aspects were treated. In addition, laboratory results on low-frequency waves in plasmas were discussed, emphasis being given to their possible relevance to low-frequency ionospheric phenomena. Finally, a brief presentation (not included in these proceedings) of the ESRO rocket and satellite program was given by Dr. Pedersen of ESLAB. The symposium provided an exchange of information among workers in closely related fields. It was also valuable in bringing together people whose experience is predominantly in ionospheric observations with others whose field of interest is mainly in plasma physics (theoretical or laboratory) - a combination that seemed particularly appropriate to ESRIN's program and functions.
Author: W. T. Blackband
Publisher: Elsevier
ISBN: 1483280004
Category : Technology & Engineering
Languages : en
Pages : 493
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Book Description
Propagation of Radio Waves at Frequencies Below 300 KC/S covers the proceedings of the Seventh Meeting at the AGARD Ionospheric Research Committee, held in Munich, Germany on September 17-21, 1962. This book is organized into eight parts encompassing 32 chapters. The first parts deal with research studies concerning the electron density distribution and some properties of the lower ionosphere, as well as the effect of D-layer irregularities on radio wave propagation. The next parts explore the low frequency propagation in the lower ionosphere, the measurement of oblique incidence, and the statistical frequency spectrum of radio noise below 300 kc/s. The remaining chapters discuss the diurnal changes, the statistical prediction, the mode theory, and the propagation of very and extremely low frequency radio waves in the ionosphere. These chapters also examine the Earth resonance. This book will prove useful to astronomers, astrophysicists, and space scientists.
Author: Nicola D'Angelo
Publisher:
ISBN:
Category : Ionosphere
Languages : en
Pages : 217
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Book Description
Author: Roger K. Salaman
Publisher:
ISBN:
Category : Radio
Languages : en
Pages : 28
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 478
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Book Description
Author: Wilhelm Nupen
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 486
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Book Description
This bibliography comprises a non-exhaustive compilation of over 1400 references to the world's literature in the ionosphere with special emphasis on its effect on reflection, refraction or propagation of electromagnetic waves. The frequencies involved are usually in the low frequency or long wave bands in contrast to those (UHF, VHF and SHF) involved in tropospheric propagation investigations although the pulsed technique at vertical or slant incidence makes use of a wide range of frequencies.
Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 1400
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Author:
Publisher:
ISBN:
Category : Physical instruments
Languages : en
Pages : 486
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Book Description
Author: Stanford University. Stanford Electronics Laboratories
Publisher:
ISBN:
Category : Ionospheric radio wave propagation
Languages : en
Pages : 162
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Book Description
The primary purpose of this investigation was to determine the nature and characteristics of a class of large, weak ionospheric irregularities which in certain circumstances significantly affect long-distance HF radio-wave propagation. A further purpose was to determine the relative practical importance of the diffraction produced by these inhomogeneities, in relation to the influence of other mechanisms such as Faraday rotation and scattering by small irregularities. Measurements of quasi-periodic variations in phase-path length have been made on a 2600 km one-hop lower-ray F-region path. Variations of 8 to 75 wavelengths are regularly observed during winter daylight hours. A model of the irregularities has been devised and has been used to predict the signal-strength fluctuations which would result from propagation through a medium described by the model. (Author).