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        Dynamical and magnetic field time constants for Titan's ionosphere: Empirical estimates and comparisons with Venus 

        Cravens, T. E.; Richard, M.; Ma, Y. J.; Bertucci, Cesar; Luhmann, J. G.; Ledvina, S.; Robertson, I. P.; Wahlund, J. E.; Ågren, K.; Cui, J.; Muller Wodarg, I.; Waite, J. H.; Dougherty, M.; Bell, J.; Ulusen, D. (American Geophysical Union, 2010-10)
        Plasma in Titan´s ionosphere flows in response to forcing from thermal pressure gradients, magnetic forces, gravity, and ion-neutral collisions. This paper takes an empirical approach to the ionospheric dynamics by using ...

        Correcão ionosférica utilizando os MAPAS: Globais do TEC DO IGS: Avaliação no posicionamento por ponto na região brasileira 

        Universidade Federal do Rio Grande do Sul (UFRGS); Universidade Estadual Paulista (UNESP) (2007-07-01)
        One of the main drawbacks of the GPS accuracy for L1 users is the error due to ionosphere. This error depends on the total electron content presents in the ionosphere, as well as of the carrier frequency. Some models have ...

        Electron density and temperature measurements in the cold plasma environment of Titan: Implications for atmospheric escape 

        Edberg, N. J. T.; Wahlund, J. E.; Ågren, K.; Morooka, M. W.; Modolo, R.; Bertucci, Cesar; Dougherty, M. K. (American Geophysical Union, 2010-10)
        We present electron temperature and density measurements of Titan's cold ionospheric plasma from the Langmuir probe instrument on Cassini from 52 flybys. An expression of the density as a function of temperature is presented ...

        Ionospheric tomography using GNSS: multiplicative algebraic reconstruction technique applied to the area of Brazil 

        Universidade Estadual Paulista (UNESP) (2016-10-01)
        Experimental analysis was performed using multiplicative algebraic reconstruction technique (MART) to map the ionosphere over Brazil. Code and phase observations from the global navigation satellite system (GNSS) together ...

        Estimativa e análise de índices de irregularidades da ionosfera utilizando dados GPS de redes ativas 

        Universidade Estadual Paulista (UNESP) (2013-09-19)
        Observable GNSS (Global Navigation Satellite System) are affected by systematic errors due to free electrons present in the ionosphere. The error associated with the ionosphere depends on the Total Electron Content (TEC), ...

        Correcão ionosférica utilizando os MAPAS: Globais do TEC DO IGS: Avaliação no posicionamento por ponto na região brasileira 

        Matsuoka, Marcelo Tomio; de Oliveira Camargo, Paulo (2014)

        CIGALA: Challenging the solar maximum in Brazil with PolaRxS 

        Septentrio; Istituto Nazionale di Geofisica e Vulcanologia; University of Nottingham; Universidade Estadual Paulista (UNESP) (2011-12-01)
        The upcoming solar maximum, which is expected to reach its peak around May 2013, occurs at a time when our reliance on high-precision GNSS has reached unprecedented proportions. The perturbations of the ionosphere caused ...

        Estimativa e análise de índices de irregularidades da ionosfera utilizando dados GPS de redes ativas 

        Pereira, Vinícius Amadeu Stuani; Camargo, Paulo de Oliveira (2014)

        Extended ionospheric amplitude scintillation model for GPS receivers 

        IAE; Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio); Instituto Nacional de Pesquisas Espaciais (INPE); ITA; Universidade Estadual Paulista (UNESP) (Amer Geophysical Union, 2014-05-01)
        Ionospheric scintillation is a phenomenon that occurs after sunset, especially in the low-latitude region, affecting radio signals that propagate through the ionosphere. Depending on geophysical conditions, ionospheric ...

        Brazilian active GNSS networks as systems for monitoring the ionosphere 

        Universidade Estadual Paulista (UNESP) (2017-07-01)
        This research shows the viability of using Global Navigation Satellite System (GNSS) stations from Brazilian active networks in monitoring the ionosphere. Various indexes of ionospheric irregularities and scintillation of ...
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        Red de Repositorios Latinoamericanos
        + of 2.515.000
        Available publications
        163 Participating institutions
        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Membership Login
        Featured collections
        • Latin American Theses
        • Argentinean Theses
        • Chilean Theses
        • Peruvian Theses
        Latest collections added
        • Argentina
        • Brazil
        • Colombia
        • México
        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Red de Repositorios Latinoamericanos | 2006-2018