Ionospheric Specification and Space Weather Forecasting With an HF Beacon Network in the Peruvian Sector

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dc.contributor.authorHysell, D. L.
dc.contributor.authorBaumgarten, Y.
dc.contributor.authorMilla, Marco
dc.contributor.authorValdez, A.
dc.contributor.authorKuyeng, K.
dc.date.accessioned2018-12-10T09:07:58Z
dc.date.available2018-12-10T09:07:58Z
dc.date.issued2018-08-14
dc.description.abstractA network of high‐frequency (HF) transmitters and receivers used for ionospheric specification is being installed in Peru. The HF transmitters employ multiple frequencies and binary phase coding with pseudorandom noise, and the observables provided by the receivers include group delay, Doppler shift, amplitude, bearing (from interferometry), and polarization. Statistical inverse methods are used to estimate F region density in a volume from the data regionally. The method incorporates raytracing based on the principles of Hamiltonian optics in the forward model and involves an ionospheric parametrization in terms of Chapman functions in the vertical and bicubic B‐spline interpolation in the horizontal. Regularization is employed to minimize the global curvature of the reconstructions. HF beacon data for two nights in January 2018 are presented. We use the reconstructions to investigate why plasma irregularities associated with equatorial spread F formed on one occasion and not the other. The data indicate that the background ionospheric flow is not simply frozen in, that is, that longitude and local time variations cannot be equated, even at regional scales. This has ramifications for equatorial spread F forecasting strategies that assume equivalence.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationHysell, D. L., Baumgarten, Y., Milla, M. A., Valdez, A. & Kuyeng, K. (2018). Ionospheric specification and space weather forecasting with an HF beacon network in the peruvian sector.==$Journal of Geophysical Research: Space Physics, 123$==(8), 6851-6864. https://doi.org/10.1029/2018JA025648es_ES
dc.identifier.doihttps://doi.org/10.1029/2018JA025648es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalJournal of Geophysical Research: Space Physicses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3886
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:2169-9380
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectRadioes_ES
dc.subjectBeacones_ES
dc.subjectIonospherees_ES
dc.subjectSpace weatheres_ES
dc.subjectEquatorial spread Fes_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleIonospheric Specification and Space Weather Forecasting With an HF Beacon Network in the Peruvian Sectores_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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