ABSTRACT In May 1983, ionospheric heating experiments were conducted using the Jicamarca very high frequency (VHF) radar facility located ∼11 km east of Lima, Peru. Experiments involving

high frequency (HF) heating of the lower _D_-region of the ionosphere were successfully conducted during 1982 using the Arecibo, Puerto Rico HF transmitter located 5km east at Islote, Puerto

Rico. These local experiments had characterized the signal radiated from a heated and modulated ionospheric current system near the mid-latitudes. A long-path signal had also been received

in September 1982 at Salinas, Puerto Rico from a mid-day equatorial electrojet, heated and modulated by the Jicamarca facility. We have investigated the characteristics of the local signal

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access 26 April 2024 REFERENCES * Stubbe, P., Kopka, H., Tructveld, M. & Dowden, R. L. _J. atmos. terr. Phys._ 44, 1123–1135 (1982). Article  ADS  Google Scholar  * Ferraro, A. J. _et

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references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * The Communications and Space Sciences Laboratory, Department of Electrical Engineering, Pennsylvania State University, University

Park, Pennsylvania, USA R. J. Lunnen, H. S. Lee & A. J. Ferraro * Electronic Design Services, Department of Electrical Engineering, Pennsylvania State University, University Park,

Pennsylvania, USA T. W. Collins * Geophysical Institute of Peru, Apartado 3747, Lima, Peru R. F. Woodman Authors * R. J. Lunnen View author publications You can also search for this author

inPubMed Google Scholar * H. S. Lee View author publications You can also search for this author inPubMed Google Scholar * A. J. Ferraro View author publications You can also search for this

author inPubMed Google Scholar * T. W. Collins View author publications You can also search for this author inPubMed Google Scholar * R. F. Woodman View author publications You can also

search for this author inPubMed Google Scholar RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Lunnen, R., Lee, H., Ferraro, A. _et al._ Detection of

radiation from a heated and modulated equatorial electrojet current system. _Nature_ 311, 134–135 (1984). https://doi.org/10.1038/311134a0 Download citation * Received: 01 May 1984 *

Accepted: 04 July 1984 * Issue Date: 13 September 1984 * DOI: https://doi.org/10.1038/311134a0 SHARE THIS ARTICLE Anyone you share the following link with will be able to read this content:

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