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dc.contributor.author McNamara, L. F.
dc.contributor.author Caton, R. G.
dc.contributor.author Parris, R. T.
dc.contributor.author Pedersen, T. R.
dc.contributor.author Thompson, D. C.
dc.contributor.author Wiens, K. C.
dc.contributor.author Groves, K. M.
dc.date.accessioned 2018-11-13T11:46:25Z
dc.date.available 2018-11-13T11:46:25Z
dc.date.issued 2013-02-22
dc.identifier.citation McNamara, L. F., Caton, R. G., Parris, R. T., Pedersen, T. R., Thompson, D. C., Wiens, K. C., & Groves, K. M. (2013). Signatures of equatorial plasma bubbles in VHF satellite scintillations and equatorial ionograms.==$Radio science, 48$==(2), 89-101. https://doi.org/10.1002/rds.20025 es_ES
dc.identifier.uri http://hdl.handle.net/20.500.12816/3543
dc.description.abstract Since their discovery in the 1970s, equatorial plasma bubbles (EPBs) have been invoked to explain the propagation of VHF signals on trans‐equatorial circuits at night, and blamed for highly detrimental scintillation of VHF and GHz trans‐ionospheric communications signals in equatorial regions. Over the last four decades, the properties of EPBs have been deduced by multiple techniques such as incoherent scatter radar, 630 nm airglow, depletions in GPS total electron content observations, VHF and GHz scintillations, and HF observations by ionosondes. The initiation and evolution of EPBs have by now been successfully modeled and a good understanding developed of the underlying physics. However, different communities tend to concentrate on a single observing technique, without regard to whether the different techniques provide a consistent physical picture. In contrast, this paper discusses two very different types of observations made on a night‐by‐night basis during the COPEX campaign of late 2002 in Brazil, namely, VHF scintillations and ionograms, and shows that the two methods of observation can provide a consistent interpretation of the properties of EPBs. For example, an EPB seen as an eastward drifting scintillation event can also be seen as an extra ionogram reflection trace that moves closer to and then away from the ionosonde site. The scintillations are attributed to strong gradients across the walls of an EPB, whereas the extra ionogram traces are attributed to oblique reflection of the ionosonde signals from the walls of the EPB. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union es_ES
dc.relation.ispartof urn:issn:0048-6604
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Equatorial ionosphere es_ES
dc.subject Equatorial plasma bubbles es_ES
dc.subject Plasma es_ES
dc.title Signatures of equatorial plasma bubbles in VHF satellite scintillations and equatorial ionograms es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Radio science es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1002/rds.20025 es_ES

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