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dc.contributor.author Ledvina, B.M.
dc.contributor.author Kintner, P. M.
dc.contributor.author De Paula, E. R.
dc.date.accessioned 2018-07-16T11:03:26Z
dc.date.available 2018-07-16T11:03:26Z
dc.date.issued 2004-10-27
dc.identifier.citation Ledvina, B. M., Kintner, P. M., & De Paula, E. R. (2004). Understanding spaced-receiver zonal velocity estimation.==$Journal of Geophysical Research: Space Physics, 109$==(A10), A10306. https://doi.org/10.1029/2004JA010489 es_ES
dc.identifier.uri http://hdl.handle.net/20.500.12816/1850
dc.description.abstract Spaced-receiver analysis can be used to estimate the ionospheric zonal irregularity velocity. This involves first measuring the scintillation pattern velocity and then estimating the zonal irregularity velocity. A straightforward technique involving projection planes has been used to derive a relationship between the satellite position and velocity, the irregularities' position and velocity, and the scintillation pattern velocity. This relationship relies on the alignment of the irregularities along the field lines but is independent of the irregularity spectrum. When simplified, this relationship can be used to estimate the zonal irregularity velocity using either geostationary satellites or Global Positioning System (GPS) satellites. This estimation is straightforward but must be performed in a careful manner. An example of zonal irregularity velocity estimation using GPS satellites is presented. The average zonal irregularity velocity is estimated over a 3-week period in March 2002 at São Luís, Brazil (−3.59 dip angle). This hourly average velocity has been compared with the climatological radar observations from Jicamarca Observatory. The spaced-receiver zonal velocity agrees well (within +-8 m/s) with the radar's observations during postsunset hours. 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:2169-9380
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Scintillations es_ES
dc.subject Spaced receivers es_ES
dc.subject Equatorial ionosphere es_ES
dc.subject GPS es_ES
dc.title Understanding spaced-receiver zonal velocity estimation 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 Journal of Geophysical Research: Space Physics es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1029/2004JA010489 es_ES

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