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dc.contributor.authorSezen, U.en_US
dc.contributor.authorArikan, F.en_US
dc.contributor.authorArıkan, Orhanen_US
dc.contributor.authorUgurlu, O.en_US
dc.contributor.authorSadeghimorad, A.en_US
dc.date.accessioned2016-02-08T09:37:35Z
dc.date.available2016-02-08T09:37:35Z
dc.date.issued2013en_US
dc.identifier.issn1542-7390
dc.identifier.urihttp://hdl.handle.net/11693/20895
dc.description.abstractThe variability of space weather can best be captured using total electron content (TEC), which corresponds to total number of electrons on a ray path. The dual-frequency ground based GPS receivers provide a cost-effective means for monitoring TEC. Computation of TEC for a single GPS station is a challenge due to various unknowns and ambiguities such as inter-frequency receiver bias and satellite bias, choice of mapping function, and peak height of ionosphere for ionospheric piercing point. In this study, IONOLAB group introduces a robust, automatic, online computation routine near-real time TEC, IONOLAB-TEC, for IGS and/or EUREF stations from www.ionolab.org. The user can choose online one station or multiple stations, date or dates for the computation. The IONOLAB-TEC values can be compared with TEC estimates from IGS analysis centers. The output can be obtained either in graphical form, or IONOLAB-TEC estimates can be provided in an excel file. The service is easy to use with a graphical user interface. This unique and original space weather application is provided online, and IONOLAB-TEC estimates are downloaded automatically to the user defined directories under user defined filenames. Key PointsOnline, automatic, near real-time GPS-TEC is estimated as IONOLAB-TECIONOLAB-TEC is available from www.ionolab.org for single/multiple stations/daysIONOLAB-TEC is available in graphics and as excel file ©2013. American Geophysical Union. All Rights Reserved.en_US
dc.language.isoEnglishen_US
dc.source.titleSpace Weatheren_US
dc.relation.isversionofhttp://dx.doi.org/10.1002/swe.20054en_US
dc.subjectGPS-TECen_US
dc.subjectIonosphereen_US
dc.subjectTotal electron contenten_US
dc.titleOnline, automatic, near-real time estimation of GPS-TEC: IONOLAB-TECen_US
dc.typeArticleen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.citation.spage297en_US
dc.citation.epage305en_US
dc.citation.volumeNumber11en_US
dc.citation.issueNumber5en_US
dc.identifier.doi10.1002/swe.20054en_US
dc.publisherIEEEen_US
dc.contributor.bilkentauthorArıkan, Orhan


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