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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/8509
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dc.contributor.authorallPezzopane, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallZuccheretti, E.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallAbadi, P.; Division of Ionosphere and Telecommunication, Space Science Center, Indonesian National Institute of Aeronautics and Space (LAPAN), Indonesiaen
dc.contributor.authorallA.J. de Abreu, A. J.; Universidade do Vale do Paraíba, São José dos Campos, Brazilen
dc.contributor.authorallde Jesus, R.; Universidade do Vale do Paraíba, São José dos Campos, Brazilen
dc.contributor.authorallFagundes, P. R.; Universidade do Vale do Paraíba, São José dos Campos, Brazilen
dc.contributor.authorallSupnithi, P.; Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailanden
dc.contributor.authorallRungraengwajiake, S.; Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailanden
dc.contributor.authorallNagatsuma, T.; Space Weather and Environment Informatics Laboratory, National Institute of Information and Communications Technology, Tokyo 184-8795, Japanen
dc.contributor.authorallTsugawa, T.; Space Weather and Environment Informatics Laboratory, National Institute of Information and Communications Technology, Tokyo 184-8795, Japanen
dc.contributor.authorallCabrera, M. A.; Laboratorio de Telecomunicaciones, DEEC, FACET, Universidad Nacional de Tucumán, Tucumán, Argentinaen
dc.contributor.authorallEzquer, R. G.; Laboratorio de Ionósfera, Departamento de Física, FACET, Universidad Nacional de Tucumán, Tucumán, Argentinaen
dc.date.accessioned2013-02-11T07:44:05Zen
dc.date.available2013-02-11T07:44:05Zen
dc.date.issued2013-02-05en
dc.identifier.urihttp://hdl.handle.net/2122/8509en
dc.description.abstractWe present the results of a comparative study of spread-F signatures over five low-latitude sites: Chiangmai (CGM; 18.8 N, 98.9 E, mag. Lat. 8.8 N), Thailand; Tanjungsari(TNJ; 6.9 S, 107.6 E, mag. Lat. 16.9 S), Indonesia; Palmas (PAL; 10.2 S, 311.8 E, mag. Lat. 0.9 S) and São José Dos Campos (SJC; 23.2 S, 314.1 E, mag. Lat. 14.0 S), Brazil; and Tucumán (TUC; 26.9 S, 294.6 E, mag. Lat. 16.8 S), Argentina. The investigation was based on simultaneous ionograms recorded by an FMCW (frequency modulated continuous-wave) at CGM, an IPS-71 (digital ionosonde from KEL aerospace) at TNJ, a CADI (Canadian Advanced Digital Ionosonde) at PAL and SJC, and an AIS-INGV (Advanced Ionospheric Sounder – Istituto Nazionale di Geofisica e Vulcanologia) at TUC, during the equinoctial periods March–April (R12 = 2.0 and R12 = 2.2) and September–October (R12 = 6.1 and R12 = 7.0) 2009, for very low solar activity. Spread-F signatures were categorized into two types: the range spread-F (RSF) and the frequency spread-F (FSF). The study confirms that the dynamics and the physical processes responsible for these phenomena are actually complicated. In fact, the features that arise from the investigation are different, depending on both the longitude sector and on the hemisphere. For instance, TUC, under the southern crest of the ionospheric equatorial ionization anomaly (EIA), shows a predominance of RSF signatures, while both SJC, under the southern crest of EIA but in a different longitude sector, and CGM, under the northern crest of EIA, show a predominance of FSF signatures. Moreover, the spread-F occurrence over the longitude sector that includes CGM and TNJ is significantly lower than the spread-F occurrence over the longitude sector of PAL, SJC, and TUC.en
dc.language.isoEnglishen
dc.publisher.nameCopernicus Publicationsen
dc.relation.ispartofAnnales Geophysicaeen
dc.relation.ispartofseries/ 31 (2013)en
dc.subjectionosphereen
dc.subjectEquatorial ionosphereen
dc.subjectIonospheric irregularitiesen
dc.subjectWave propagationen
dc.titleLow-latitude equinoctial spread-F occurrence at different longitude sectors under low solar activityen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber153-162en
dc.identifier.URLhttp://www.ann-geophys.net/31/153/2013/en
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.04. Plasma Physicsen
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.05. Wave propagationen
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.06. Instruments and techniquesen
dc.identifier.doi10.5194/angeo-31-153-2013en
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dc.description.obiettivoSpecifico1.7. Osservazioni di alta e media atmosferaen
dc.description.obiettivoSpecifico3.9. Fisica della magnetosfera, ionosfera e meteorologia spazialeen
dc.description.journalTypeJCR Journalen
dc.description.fulltextopenen
dc.relation.issn0992-7689en
dc.relation.eissn1432-0576en
dc.contributor.authorPezzopane, M.en
dc.contributor.authorZuccheretti, E.en
dc.contributor.authorAbadi, P.en
dc.contributor.authorA.J. de Abreu, A. J.en
dc.contributor.authorde Jesus, R.en
dc.contributor.authorFagundes, P. R.en
dc.contributor.authorSupnithi, P.en
dc.contributor.authorRungraengwajiake, S.en
dc.contributor.authorNagatsuma, T.en
dc.contributor.authorTsugawa, T.en
dc.contributor.authorCabrera, M. A.en
dc.contributor.authorEzquer, R. G.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentDivision of Ionosphere and Telecommunication, Space Science Center, Indonesian National Institute of Aeronautics and Space (LAPAN), Indonesiaen
dc.contributor.departmentUniversidade do Vale do Paraíba, São José dos Campos, Brazilen
dc.contributor.departmentUniversidade do Vale do Paraíba, São José dos Campos, Brazilen
dc.contributor.departmentFaculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailanden
dc.contributor.departmentFaculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailanden
dc.contributor.departmentSpace Weather and Environment Informatics Laboratory, National Institute of Information and Communications Technology, Tokyo 184-8795, Japanen
dc.contributor.departmentSpace Weather and Environment Informatics Laboratory, National Institute of Information and Communications Technology, Tokyo 184-8795, Japanen
dc.contributor.departmentLaboratorio de Telecomunicaciones, DEEC, FACET, Universidad Nacional de Tucumán, Tucumán, Argentinaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptNational Institute of Aeronautics and Space LAPAN-
crisitem.author.deptUniversidade do Vale do Paraíba (UNIVAP)-
crisitem.author.deptUniversidade do Vale do Paraíba (UNIVAP)-
crisitem.author.deptFaculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailand-
crisitem.author.deptFaculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Bangkok 10520, Thailand-
crisitem.author.deptSpace Weather and Environment Informatics Laboratory, National Institute of Information and Communications Technology, Tokyo 184-8795, Japan-
crisitem.author.deptSpace Weather and Environment Informatics Laboratory, National Institute of Information and Communications Technology, Tokyo 184-8795, Japan-
crisitem.author.deptLaboratorio de Telecomunicaciones, DEEC, FACET, Universidad Nacional de Tucumán, Tucumán, Argentina-
crisitem.author.orcid0000-0001-5800-2322-
crisitem.author.orcid0000-0003-1732-4557-
crisitem.author.orcid0000-0001-9532-497X-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent01. Atmosphere-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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