Last edited by Moogulrajas
Saturday, August 1, 2020 | History

2 edition of Modification of the ionosphere found in the catalog.

Modification of the ionosphere

Daniel W. Michaels

Modification of the ionosphere

by Daniel W. Michaels

  • 285 Want to read
  • 30 Currently reading

Published by Aerospace Technology Division, Library of Congress in Washington] .
Written in English

    Subjects:
  • Ionosphere -- Research.,
  • Weather control.,
  • Military meteorology.,
  • Explosions.

  • Edition Notes

    Statement[by Daniel W. Michaels.
    SeriesATD report, 69-11-101-1, ATD report ;, 69-11.
    Classifications
    LC ClassificationsZ663.23 .A2 no. 69-11
    The Physical Object
    Paginationiv l., 67 p.
    Number of Pages67
    ID Numbers
    Open LibraryOL5389425M
    LC Control Number72600629

    Ionosphere modification - II ULF/ELF/VLF wave generation with ionospheric heaters: Polar Electrojet (PEJ) antenna or Ionospheric Current Drive (ICD) "ELF Generation " - Creating ELF from high frequency transmissions Magnetospheric amplification of signals on highly active paths - . the ionosphere is essentially a "black box", that is, a vital pheric reflection height. By sweeping in frequency, typically part of the system. We also cover areas where the ionosphere from to 20 MHz, an ionosonde obtains a meas- is essentially a nuisance, such as the scintillations of trans- urement of the ionospheric reflection height as.

    Purchase The Ionosphere - 1st Edition. Print Book & E-Book. ISBN , In the years since the pioneering efforts of Sir Edward Appleton, M. A. F. Barnett, G. Breit, and M. A. Thve, many radio techniques have been employed to investigate the terrestrial ionosphere. The purposes of this book are to exam­ ine the basic physical interaction process of radio waves with the.

    “Environmental warfare is defined as the intentional modification or manipulation of the natural ecology, such as climate and weather, earth systems such as the ionosphere, magnetosphere, tectonic plate system, and/or the triggering of seismic events (earthquakes) to cause intentional physical, economic, and psycho-social, and physical. In a simple, reader-friendly style, this introductory text describes the ionosphere and its effects on systems which use it, giving particular emphasis to HF communications as well as including sections on the single station location of HF transmitters and over-the horizon radar/5(1).


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Modification of the ionosphere by Daniel W. Michaels Download PDF EPUB FB2

Ionosphere modification using electromagnetic beams - Electric field of EM beam induces increase of electron thermal energy (heating) When a wave (with electric field E and angular frequency ω) transverses the ionospheric plasma, it sets in motion or accelerates its particles i.e.

the ions, the electrons and the neutrals but mostly the. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

The ionosphere (/ aɪ ˈ ɒ n ə ˌ s f ɪər /) is the ionized part of Earth's upper atmosphere, from about 60 km (37 mi) to 1, km ( mi) altitude, a region that includes the thermosphere and parts of the mesosphere and ionosphere is ionized by solar radiation.

It plays an important role in atmospheric electricity and forms the inner edge of the magnetosphere. The paper presents results of experimental studies of physical processes associated with the disturbance of the average plasma density profile in the ionosphere with high-power radio waves.

The results indicate a strong defocusing of radio waves on an artificial lens with an elevated plasma density, produced by a narrow beam of high-intensity radio waves in the lower layers of the ionosphere Author: V.

Vas'kov, L. Lobachevskii. Topics include Earth-space propagation, ionospheric modification, ionospheric disturbances, propagation by scattering from plasma irregularities, topside sounding, and propagation on frequencies from the extremely low to the super high.

Reference lists are extensive and a section of questions tests the reader's understanding of the material. Abstract. The first published observation of the phenomenon of modification of the terrestrial ionosphere by high power radio waves was made by Butt (), who observed that the transmission from Radio Paris was superimposed on the signal transmitted by Radio Luxembourg.

This book is aimed at professional scientists, engineers and students who need an intermediate-level reference and/or text. Students of aeronomy and radio wave propagation are introduced to basic wave theory in absorbing, anisotropic and dispersive media and to the physics of production, loss, and movement of plasma in the ionosphere presence of the geomagnetic field.

Statistics on the TEC modification. During our project period, statistics on the possible ionosphere disturbance before large earthquake were conducted for EQs with M > 6 that occurred in Japan from January to February using both NmF2 and TEC data. The epicenters of the EQs of M ≥ 6 are shown in Fig.

of the statistical results is shown in Fig. 2, where days when TEC. Modifications of the ionosphere prior to large earthquakes: report from the Ionosphere Precursor Study Group K.‑I. Oyama1,2, M. Devi3, K. Ryu4, C.

Chen5, J. Liu6, H. Liu1,7, L. Bankov8 and T. Kodama9* Abstract The current status of ionospheric precursor studies associated with large earthquakes (EQ) is summarized in this report.

Environmental modification techniques have been applied by the US military for more than half a century. US mathematician John von Neumann, in liaison with the US Department of Defense, started his research on weather modification in the late s at the height of the Cold War and foresaw ‘forms of climatic warfare as yet unimagined’.

Combined Release and Radiation Effects Satellite (CRRES) dumps chemicals in space while a ground-based microwave antenna in Arecibo, Puerto Rico heats them to modify the ionosphere.

This heater was later destroyed by a hurricane then rebuilt as the Enhanced HF Ionospheric Heating Instrument. Introduction. The purpose of this chapter is to review the basic techniques (and the newer modifications and adaptations of these techniques) for studying the terrestrial ionosphere, with particular emphasis on the capabilities and limitations of the techniques when they are used to probe the high-latitude ionosphere.

The High-frequency Active Auroral Research Program (HAARP) was initiated as an ionospheric research program jointly funded by the U.S. Air Force, the U.S. Navy, the University of Alaska Fairbanks, and the Defense Advanced Research Projects Agency (DARPA).

It was designed and built by BAE Advanced original purpose was to analyze the ionosphere and investigate the potential for. It is shown that the day side ionosphere introduces significant phase delays for frequencies in excess of about 20 mHz. The phase delay increases with frequency and with increase in the conductivity of the ionosphere.

There is also an increase in the amplitude of the wave above equatorial day side ionosphere. The F-region ionosphere is subject to a number of influences which determine its structure over global and meso-scales at any given time.

The origins of changes in state of the ionosphere, i.e., “ionospheric variability”, are broadly characterized as follows: (a) solar ionizing flux; (b) meteorological influences; (c) solar wind conditions. Although the majority of ionospheric irregularities produced by HF heating occur in the E- and F-regions of the ionosphere, our primary interest lies in the highly collisional D-region ionosphere, located between 60 and km D-region is responsible for the vast majority of signal absorption that trans-ionospherically propagating radio waves experience, and the absorption process.

Numerous phenomena that occur in the mesosphere, ionosphere, and the magnetosphere of the Earth are caused by the sources located in the lower atmosphere and on the ground. We describe the effects produced by lightning activity and by ground-based transmitters operated in high frequency (HF) and very low frequency (VLF) ranges.

Among these phenomena are the ionosphere heating and the formation. Ionospheric scintillation is the rapid modification of radio waves caused by small scale structures in the ionosphere.

Severe scintillation conditions can prevent a GPS receiver from locking on to the signal and can make it impossible to calculate a position. Less severe scintillation conditions can reduce the accuracy and the confidence of. The book Angels Don't Play This HAARP: Advances in Tesla Technology is available from Earthpulse Press for $ plus postage and handling ($ U.S.; $4 international).

Nick Begich is an Anchorage, Alaska-based independent researcher and activist and former president of the Alaska Federation of Teachers and the Anchorage Council of. @article{osti_, title = {Computer simulation techniques for artificial modification of the ionosphere.

Final report 31 jan apr 81}, author = {Vance, B and Mendillo, M}, abstractNote = {A three-dimensional model of the ionosphere was developed including chemical reactions and neutral and plasma transport.

The model uses Finite Element Simulation to simulate ionospheric modification. Weather modification and use of the weather as a weapon is of prime interest to the USAF (U.S.

Air Force). A USAF report available here is titled "Weather as a Force Multiplier: Owning the Weather in ". The report starts out stating, "The purpose of this paper is to outline a strategy for the use of a future weather-modification system to achieve military objectives.".Some early observations of significant ionospheric modification resulting from F‐region heating by a very high power, high frequency transmitter located near Boulder, Colorado, are presented in this paper.A description of the Platteville heating transmitter facility, the locations of ionosonde and photometric diagnostic equipments, and the geometry of the experiment are given in a companion.

If this is the case, then it would imply that the USAF cannot necessarily control the ionosphere for the purposes of weather modification, but .