Download or read book Riometry as an Aid to Ionospheric Forecasting written by Raymond J. Cormier and published by . This book was released on 1970 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report deals with the use of riometers as an aid in ionospheric forecasting during both disturbed and undisturbed conditions at various geographical regions of the earth. Both the physical and technical aspects of riometry are discussed. Riometer observations during special solar geophysical events such as polar cap absorptions, auroral absorptions, and solar flare effects are presented and discussed. Suggestions for the improvement of riometer output and a description of experiments to be performed using riometers as an integral part of forecasting systems are presented. (Author).

Download or read book Riometry as an Aid to Ionospheric Forecasting written by Raymond J. Cormier and published by . This book was released on 1970 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report deals with the use of riometers as an aid in ionospheric forecasting during both disturbed and undisturbed conditions at various geographical regions of the earth. Both the physical and technical aspects of riometry are discussed. Riometer observations during special solar geophysical events such as polar cap absorptions, auroral absorptions, and solar flare effects are presented and discussed. Suggestions for the improvement of riometer output and a description of experiments to be performed using riometers as an integral part of forecasting systems are presented. (Author)

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.

Download or read book Instrumentation Papers written by and published by . This book was released on with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Meteorological and Geoastrophysical Abstracts written by and published by . This book was released on 1972 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Environmental Research Papers written by and published by . This book was released on 1970 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Effects of Absorption on High Latitude Meteor Scatter Communication Systems written by J. C. Ostergaard and published by . This book was released on 1991 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1971 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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.

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.

Download or read book Ionospheric Forecasting written by and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Radio Science written by and published by . This book was released on 1991 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book 49 Ionospheric forecasting written by and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Thule Riometer Observations of Polar Cap Absorption Events 1962 1972 written by Raymond J. Cormier and published by . This book was released on 1973 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polar Cap Absorption (PCA) events have been observed at Thule, Greenland, using a ground-based riometer for the past decade. The riometer was operated at a fixed frequency of 30 MHz, and used a two-element Yagi antenna directed toward the zenith. This report provides information for operational systems personnel and systems designers concerning the mean behavior of PCAs and other aspects of the phenomenon; for example, the extreme cases in duration and magnitude. In addition, included as an appendix are plots of dB absorption and proton flux (obtained from satellites) versus time for each event. The total number of events is 29. (Author).

Download or read book Government Reports Index written by and published by . This book was released on 1971 with total page 1734 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Compilation of Solar Particle and Interplanetary Measurements Acquired During the Campaign for Integrated Observations of Solar Flares CINOF written by M. A. Shea and published by . This book was released on 1974 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Campaign for Integrated Observations of Solar Flares (CINOF) was a period of extensive solar flare studies conducted 5-29 June 1972. During this period two discrete solar particle injections occurred, in addition to which significant modulations to the low energy solar particle background flux were present. This report contains fifteen individually authored papers presenting the x-ray, solar particle, and other related interplanetary and geophysical measurements obtained from 28 May - 30 June 1972. A final paper summarizes the particle measurements for the eleven particle enhancements identified during this period.

Download or read book Special Reports Air Force Geophysics Laboratory written by and published by . This book was released on 1971 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1976- include Its Geophysics and space data bulletin.