Calibration errors on experimental slant total electron content (TEC) determined with GPS

Autores
Ciraolo, L.; Azpilicueta, Francisco Javier; Brunini, Claudio Antonio; Meza, Amalia Margarita; Radicella, Sandro M.
Año de publicación
2006
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The Global Positioning System (GPS) has become a powerful tool for ionospheric studies. In addition, ionospheric corrections are necessary for the augmentation systems required for Global Navigation Satellite Systems (GNSS) use. Dual-frequency carrier-phase and code-delay GPS observations are combined to obtain ionospheric observables related to the slant total electron content (sTEC) along the satellite-receiver line-of-sight (LoS). This observable is affected by inter-frequency biases [IFB; often called differential code biases (DCB)] due to the transmitting and the receiving hardware. These biases must be estimated and eliminated from the data in order to calibrate the experimental sTEC obtained from GPS observations. Based on the analysis of single differences of the ionospheric observations obtained from pairs of co-located dual-frequency GPS receivers, this research addresses two major issues: (1) assessing the errors translated from the code-delay to the carrier-phase ionospheric observable by the so-called levelling process, applied to reduce carrier-phase ambiguities from the data; and (2) assessing the short-term stability of receiver IFB. The conclusions achieved are: (1) the levelled carrier-phase ionospheric observable is affected by a systematic error, produced by code-delay multi-path through the levelling procedure; and (2) receiver IFB may experience significant changes during 1 day. The magnitude of both effects depends on the receiver/antenna configuration. Levelling errors found in this research vary from 1.4 total electron content units (TECU) to 5.3 TECU. In addition, intra-day vaiations of code-delay receiver IFB ranging from 1.4 to 8.8 TECU were detected.
Facultad de Ciencias Astronómicas y Geofísicas
Materia
Física
Astronomía
Total electron content
TEC
GPS
Inter-frequency bias
Differential code bias
DCB
Levelling carrier to code TEC
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/133670

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network_name_str SEDICI (UNLP)
spelling Calibration errors on experimental slant total electron content (TEC) determined with GPSCiraolo, L.Azpilicueta, Francisco JavierBrunini, Claudio AntonioMeza, Amalia MargaritaRadicella, Sandro M.FísicaAstronomíaTotal electron contentTECGPSInter-frequency biasDifferential code biasDCBLevelling carrier to code TECThe Global Positioning System (GPS) has become a powerful tool for ionospheric studies. In addition, ionospheric corrections are necessary for the augmentation systems required for Global Navigation Satellite Systems (GNSS) use. Dual-frequency carrier-phase and code-delay GPS observations are combined to obtain ionospheric observables related to the slant total electron content (sTEC) along the satellite-receiver line-of-sight (LoS). This observable is affected by inter-frequency biases [IFB; often called differential code biases (DCB)] due to the transmitting and the receiving hardware. These biases must be estimated and eliminated from the data in order to calibrate the experimental sTEC obtained from GPS observations. Based on the analysis of single differences of the ionospheric observations obtained from pairs of co-located dual-frequency GPS receivers, this research addresses two major issues: (1) assessing the errors translated from the code-delay to the carrier-phase ionospheric observable by the so-called levelling process, applied to reduce carrier-phase ambiguities from the data; and (2) assessing the short-term stability of receiver IFB. The conclusions achieved are: (1) the levelled carrier-phase ionospheric observable is affected by a systematic error, produced by code-delay multi-path through the levelling procedure; and (2) receiver IFB may experience significant changes during 1 day. The magnitude of both effects depends on the receiver/antenna configuration. Levelling errors found in this research vary from 1.4 total electron content units (TECU) to 5.3 TECU. In addition, intra-day vaiations of code-delay receiver IFB ranging from 1.4 to 8.8 TECU were detected.Facultad de Ciencias Astronómicas y Geofísicas2006-09-14info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf111-120http://sedici.unlp.edu.ar/handle/10915/133670enginfo:eu-repo/semantics/altIdentifier/issn/0949-7714info:eu-repo/semantics/altIdentifier/issn/1432-1394info:eu-repo/semantics/altIdentifier/doi/10.1007/s00190-006-0093-1info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:31:47Zoai:sedici.unlp.edu.ar:10915/133670Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:31:47.419SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Calibration errors on experimental slant total electron content (TEC) determined with GPS
title Calibration errors on experimental slant total electron content (TEC) determined with GPS
spellingShingle Calibration errors on experimental slant total electron content (TEC) determined with GPS
Ciraolo, L.
Física
Astronomía
Total electron content
TEC
GPS
Inter-frequency bias
Differential code bias
DCB
Levelling carrier to code TEC
title_short Calibration errors on experimental slant total electron content (TEC) determined with GPS
title_full Calibration errors on experimental slant total electron content (TEC) determined with GPS
title_fullStr Calibration errors on experimental slant total electron content (TEC) determined with GPS
title_full_unstemmed Calibration errors on experimental slant total electron content (TEC) determined with GPS
title_sort Calibration errors on experimental slant total electron content (TEC) determined with GPS
dc.creator.none.fl_str_mv Ciraolo, L.
Azpilicueta, Francisco Javier
Brunini, Claudio Antonio
Meza, Amalia Margarita
Radicella, Sandro M.
author Ciraolo, L.
author_facet Ciraolo, L.
Azpilicueta, Francisco Javier
Brunini, Claudio Antonio
Meza, Amalia Margarita
Radicella, Sandro M.
author_role author
author2 Azpilicueta, Francisco Javier
Brunini, Claudio Antonio
Meza, Amalia Margarita
Radicella, Sandro M.
author2_role author
author
author
author
dc.subject.none.fl_str_mv Física
Astronomía
Total electron content
TEC
GPS
Inter-frequency bias
Differential code bias
DCB
Levelling carrier to code TEC
topic Física
Astronomía
Total electron content
TEC
GPS
Inter-frequency bias
Differential code bias
DCB
Levelling carrier to code TEC
dc.description.none.fl_txt_mv The Global Positioning System (GPS) has become a powerful tool for ionospheric studies. In addition, ionospheric corrections are necessary for the augmentation systems required for Global Navigation Satellite Systems (GNSS) use. Dual-frequency carrier-phase and code-delay GPS observations are combined to obtain ionospheric observables related to the slant total electron content (sTEC) along the satellite-receiver line-of-sight (LoS). This observable is affected by inter-frequency biases [IFB; often called differential code biases (DCB)] due to the transmitting and the receiving hardware. These biases must be estimated and eliminated from the data in order to calibrate the experimental sTEC obtained from GPS observations. Based on the analysis of single differences of the ionospheric observations obtained from pairs of co-located dual-frequency GPS receivers, this research addresses two major issues: (1) assessing the errors translated from the code-delay to the carrier-phase ionospheric observable by the so-called levelling process, applied to reduce carrier-phase ambiguities from the data; and (2) assessing the short-term stability of receiver IFB. The conclusions achieved are: (1) the levelled carrier-phase ionospheric observable is affected by a systematic error, produced by code-delay multi-path through the levelling procedure; and (2) receiver IFB may experience significant changes during 1 day. The magnitude of both effects depends on the receiver/antenna configuration. Levelling errors found in this research vary from 1.4 total electron content units (TECU) to 5.3 TECU. In addition, intra-day vaiations of code-delay receiver IFB ranging from 1.4 to 8.8 TECU were detected.
Facultad de Ciencias Astronómicas y Geofísicas
description The Global Positioning System (GPS) has become a powerful tool for ionospheric studies. In addition, ionospheric corrections are necessary for the augmentation systems required for Global Navigation Satellite Systems (GNSS) use. Dual-frequency carrier-phase and code-delay GPS observations are combined to obtain ionospheric observables related to the slant total electron content (sTEC) along the satellite-receiver line-of-sight (LoS). This observable is affected by inter-frequency biases [IFB; often called differential code biases (DCB)] due to the transmitting and the receiving hardware. These biases must be estimated and eliminated from the data in order to calibrate the experimental sTEC obtained from GPS observations. Based on the analysis of single differences of the ionospheric observations obtained from pairs of co-located dual-frequency GPS receivers, this research addresses two major issues: (1) assessing the errors translated from the code-delay to the carrier-phase ionospheric observable by the so-called levelling process, applied to reduce carrier-phase ambiguities from the data; and (2) assessing the short-term stability of receiver IFB. The conclusions achieved are: (1) the levelled carrier-phase ionospheric observable is affected by a systematic error, produced by code-delay multi-path through the levelling procedure; and (2) receiver IFB may experience significant changes during 1 day. The magnitude of both effects depends on the receiver/antenna configuration. Levelling errors found in this research vary from 1.4 total electron content units (TECU) to 5.3 TECU. In addition, intra-day vaiations of code-delay receiver IFB ranging from 1.4 to 8.8 TECU were detected.
publishDate 2006
dc.date.none.fl_str_mv 2006-09-14
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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dc.language.none.fl_str_mv eng
language eng
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info:eu-repo/semantics/altIdentifier/issn/1432-1394
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00190-006-0093-1
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Creative Commons Attribution 4.0 International (CC BY 4.0)
eu_rights_str_mv openAccess
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Creative Commons Attribution 4.0 International (CC BY 4.0)
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