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Ionospheric Predictions For
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Book Synopsis Ionospheric Prediction and Forecasting by : Bruno Zolesi
Download or read book Ionospheric Prediction and Forecasting written by Bruno Zolesi and published by Springer Science & Business Media. This book was released on 2013-09-25 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes how to predict and forecast the state of planet Earth’s ionosphere under quiet and disturbed conditions in terms of dynamical processes in the weakly ionized plasma media of the upper atmosphere and their relation to available modern measurements and modelling techniques. It explains the close relationship between the state of the media and the radio wave propagation conditions via this media. The prediction and forecasting algorithms, methods and models are oriented towards providing a practical approach to ionospherically dependent systems design and engineering. Proper understanding of the ionosphere is of fundamental practical importance because it is an essential part of telecommunication and navigation systems that use the ionosphere to function or would function much better in its nonappearance on the Earth and on any planet with an atmosphere.
Book Synopsis Ionospheric Predictions for ... by :
Download or read book Ionospheric Predictions for ... written by and published by . This book was released on 1964 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ionospheric Predictions by : Institute for Telecommunication Sciences
Download or read book Ionospheric Predictions written by Institute for Telecommunication Sciences and published by . This book was released on 1970 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Prediction of Ionospheric Conditions by : G.S. Ivanov-Kholodny
Download or read book The Prediction of Ionospheric Conditions written by G.S. Ivanov-Kholodny and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ionosphere of the Earth has been actively studied since the 1920's, following the discovery of ground radio-sounding. By means of this method results were ohtained by an international network of ionospheric stations, in particular, by the successful implementation of a number of rigorously planned international scientific research programs,'" enabling the collection of extensive experimental material on some of the most important parameters of the ionosphere - the critical freLjuencies of E-, Fl and F2-layers. Comprehensive analyses of these observation data give a fairly complete picture of the various changes taking place in the principal ionospheric layers at different points on our globe. Another important aspect of the study of the ionosphere, which has been in progress for the past three decades, is an extensive program of in situ determinations of the various physical parameters - first using rockets, and subsequently artificial satellites. The data thus obtained on the principal ionizing agent - short-wave solar radiation - and on the physical conditions prevailing in the upper atmosphere and in the ionosphere at different altitudes, allow the proposal of a self-consistent mechanism of ionosphere formation. A general outline of the theory of ionosphere formation at different altitudes is now complete. Its application to specific cases, dependent on a more accurate determination of input parameters to give solutions valid for a definite set of conditions etc., is yet to be accomplished. The use of artificial satellites in cosmic research yielded abundant scientific data.
Book Synopsis Ionospheric Predictions for ... by :
Download or read book Ionospheric Predictions for ... written by and published by . This book was released on 1971 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improving the Global Ionospheric Predictions of F0F2 by : B. S. Dandekar
Download or read book Improving the Global Ionospheric Predictions of F0F2 written by B. S. Dandekar and published by . This book was released on 1976 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using the method of Rush and Gibbs (1973), weighted means of observed values have been used to update the global prediction of f(o)F2, which are based on monthly median values derived from the Institute of Telecommunications Sciences model (1969). This procedure improved the predictions for magnetically quiet periods, for times near minimum of the solar cycle phase, and for the equinoctial months. Furthermore, a closer grid of ionosonde stations resulted in reducing the error in the f(o)F2 prediction. For the method of Rush and Gibbs (1973) to be operationally successful in global predictions of f(o)F2 however, a closer grid of ionosondes than is presently available is needed. (Author).
Book Synopsis Ionospheric Space Weather by : Ljiljana R. Cander
Download or read book Ionospheric Space Weather written by Ljiljana R. Cander and published by Springer. This book was released on 2018-09-15 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes essential concepts of, and the status quo in, the field of ionospheric space weather. It explains why our society on planet Earth and moving outwards into space cannot work safely, function efficiently, or progress steadily without committed and comprehensive research initiatives addressing space weather. These initiatives must provide space environment specifications, warnings, and forecasts, all of which need to be timely, accurate and reliable. Cause and effect models of the Earth’s ionosphere are discussed in terms of the spatial and temporal dimensions of background variability, storms, gradients, irregularities, and waves in both current and long-term research activities. Starting from dynamic processes on the Sun, in the interplanetary medium, and in the Earth’s magnetosphere, ionosphere, and atmosphere, the text focuses on the dominant features of the plasma medium under normal and extreme conditions over the European zone during the last few Solar Cycles. One of the book’s most unique features is a series of fundamental examples that offer profound insights into ionospheric climate and weather. Various approaches for acquiring and disseminating the necessary data and forecasting analyses are discussed, and interesting analogies are observed between terrestrial and space weather – both of which could produce lasting social consequences, with not only academic but also concrete economic implications. The book’s primary goal is to foster the development of ionospheric space weather products and services that are capable of satisfying the ever-growing demand for space-based technology, and are ready for the society of the not-so-distant future.
Book Synopsis Improvements in Ionospheric Forecasting Capability by : Charles M. Rush
Download or read book Improvements in Ionospheric Forecasting Capability written by Charles M. Rush and published by . This book was released on 1972 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of a study undertaken to determine the feasibility of employing synoptic mapping to improve ionospheric forecasting capabilities are presented. Using electron density data obtained from 16 ionosonde stations located in North America and Greenland during the time period mid-April through July 1970, the temporal and spatial variability of the ionosphere was assessed. (Author).
Download or read book Ionospheric Predictions written by and published by . This book was released on 1967-04 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ionospheric Predictions by : Institute for Telecommunication Sciences
Download or read book Ionospheric Predictions written by Institute for Telecommunication Sciences and published by . This book was released on 1971 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Prediction of Ionospheric Characteristics by : William B. Jones
Download or read book Numerical Prediction of Ionospheric Characteristics written by William B. Jones and published by . This book was released on 1968 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical methods are developed for producing worldwide, long-term predictions of ionospheric characteristics. The methods are based on analyses of series of coefficients defining numerical maps, which take into account both annual and solar cycle variations of the ionosphere. The end product is a five-dimensional numerical map depending on two geographic coordinates, time of day (universal time), time of year, and solar index. Predicted numerical maps in geographical and universal time coordinates are obtained by specifying the month and a predicted value of solar index. The methods are applied to foF2 monthly medians, using for the analysis a series of 60 numerical maps from January 1954 through December 1958, Predicted and observed values of the characteristics are compared for a large sample of data.
Book Synopsis Basic Radio Propagation Predictions for ... Three Months in Advance by :
Download or read book Basic Radio Propagation Predictions for ... Three Months in Advance written by and published by . This book was released on 1944 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ionospheric Predictions Series T by :
Download or read book Ionospheric Predictions Series T written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook for CRPL Ionospheric Predictions Based on Numerical Methods of Mapping by : Sidney Maurice Ostrow
Download or read book Handbook for CRPL Ionospheric Predictions Based on Numerical Methods of Mapping written by Sidney Maurice Ostrow and published by . This book was released on 1962 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Manual on Short-term Prediction of Ionospheric Geomagnetic Storms and Radio Propagation Forecasting Service by : R. A. Zevakina
Download or read book Manual on Short-term Prediction of Ionospheric Geomagnetic Storms and Radio Propagation Forecasting Service written by R. A. Zevakina and published by . This book was released on 1968 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main features of ionospheric-geomagnetic storms and their probable causes are reviewed. Disturbances in short-wave radio propagation during such storms are discussed. The principles of short-term prediction of ionospheric-geomagnetic storms are summarized and all kinds of Izmiran's forecasts are described. The application of these forecasts and current ionospheric data to calculation of usable radio propagation frequencies is explained. This Manualiis of interest to radio-communication operators as well as to geophysicists dealing with this field of science.
Book Synopsis An Evaluation of Short-term Ionospheric Forecasts for Selected Ssoutheast Asia DCA Trunks by : Roger K. Salaman
Download or read book An Evaluation of Short-term Ionospheric Forecasts for Selected Ssoutheast Asia DCA Trunks written by Roger K. Salaman and published by . This book was released on 1969 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special short-term, HF, MUF predictions for selected trunks in Southeast Asia were evaluated in the fall of 1966. The evaluation illustrated the problem of predicting the MUF over a short, north-south path in the equatorial latitudes where variations in the MUF up to 8 MHz within a period of several hours are not uncommon. The opportunity to observe HF operations in a military environment led to many interesting conclusions, including the fact that the word propagation is often used interchangeably with outage. Automatic system monitoring and more readily accessible knowledge of propagation effects would assist in minimizing the trunk outages.
Book Synopsis Ionospheric Delay Investigation and Forecasting by : N. A. Elmunim
Download or read book Ionospheric Delay Investigation and Forecasting written by N. A. Elmunim and published by Springer Nature. This book was released on 2021-09-10 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights ionospheric delay investigation and forecasting using GPS-TEC measurements in the equatorial region. The ionospheric delay error is the main source of error and a major concern for GPS applications as it corrupts the positioning and time transfer results. In the equatorial region, the variations of the total electron content (TEC) and the ionospheric delay are recognized to be high when compared with other regions such as mid-latitude and high latitude. The investigation and forecasting of trans-ionospheric propagation errors are essential for precise measurement and further contribute valuable information to satellite and space probe navigation, space geodesy, radio astronomy and other applications.
