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Communication Dans Un Congrès Année : 2009

Determination of higher order ionospheric contributions from giove signals

Résumé

Next generation GNSS systems will make triple-frequency signals available in a near future. Such systems have the potential to allow or the determination of the second order ionospheric error term. However, the direct estimate of the second order term from triple-frequency measurements may present severe limitations due to tracking noise problems. A measurement campaign has been undertaken in 2007 in Brest to receive signals from the Giove-A experimental satellite. Based on these data, it is shown that a semi-empirical model can be effectively used to derive ionospheric higher order terms from the phase measurements. The model is briefly described and it is shown that a satisfactory noise level is observed on the results. It is thus anticipated that the proposed procedure will offer a practical way to correct future Galileo measurements for ionospheric higher order errors.

Domaines

Electronique
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Dates et versions

hal-00472909 , version 1 (13-04-2010)

Identifiants

  • HAL Id : hal-00472909 , version 1

Citer

Rolland Fleury, Mercedes Clemente Sierro, Françoise Carvalho, Patrick Lassudrie Duchesne. Determination of higher order ionospheric contributions from giove signals. IRST 2009 : 11th International Conference on Ionospheric Radio Systems and Techniques, 28 april-1st may, Edinburgh, United Kingdom, Apr 2009, Edinburgh, United Kingdom. ⟨hal-00472909⟩
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