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GAGAN - India’s SBAS : Redefining Navigation over the Indian Region / A.S. Ganeshan in Inside GNSS, vol 11 n° 1 (January - February 2016)  

Public [article]  inInside GNSS > vol 11 n° 1 (January - February 2016) Titre : GAGAN - India’s SBAS : Redefining Navigation over the Indian Region Type de document : Article/Communication Auteurs : A.S. Ganeshan, Auteur ; et al., Auteur Année de publication : 2016 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale [Termes IGN] GPS-Aided Geo Augmented Navigation [Termes IGN] système d'extension Résumé : (éditeur) Space-based navigation has emerged as a forerunner in providing position, velocity and timing services with the advent of various global navigation satellite systems. Satellite-Based Augmentation Systems that improve the quality of service provided by GNSS are expected to replace a significant number of ground-based navigation systems and allow for more efficient use of available airspace. Recognizing the potential benefits of such systems, India took the early initiative and realized its own SBAS called GAGAN — GPS Aided Geo Augmented Navigation — over the Indian region. This article describes the design, development, implementation, testing, and certification of GAGAN. Numéro de notice : A2016-261 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans En ligne : http://www.insidegnss.com/node/4788 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=80793 [article]

Shifting satellites: GNSS update / Huibert-Jan Lekkerkerk in Geoinformatics, vol 13 n° 1 (01/01/2010)

Public [article]  inGeoinformatics > vol 13 n° 1 (01/01/2010) . - pp 18 - 20 Titre : Shifting satellites: GNSS update Type de document : Article/Communication Auteurs : Huibert-Jan Lekkerkerk, Auteur Année de publication : 2010 Article en page(s) : pp 18 - 20 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale [Termes IGN] BeiDou [Termes IGN] constellation GPS [Termes IGN] Etats-Unis [Termes IGN] European Geostationary Navigation Overlay Service [Termes IGN] Galileo [Termes IGN] Global Orbitography Navigation Satellite System [Termes IGN] GLONASS System of Differential Correction and Monitoring [Termes IGN] GPS-Aided Geo Augmented Navigation [Termes IGN] Quasi-Zenith Satellite System [Termes IGN] système d'extension Résumé : (Auteur) The US is planning to reconfigure the GPS constellation to provide a better, 27-satellite geometry over Afghanistan. At the moment 30 GPS satellites are operational but a number of these are located quite close together effectively creating a 24 satellite constellation. With the proposed reconfiguration the currently experienced outages in mountainous Afghanistan could be countered. If the repostioning takes place it would take around six months to complete. Copyright GEOinformatics Numéro de notice : A2010-030 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30226 [article]

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