Now showing items 6-15 of 15

    • Fons Monturiol a la Biblioteca de l'Observatori de l'Ebre: anàlisi grafològica de les anotacions i estudi de l'estat de conservació 

      Genescà Sitjes, Maria; Clemente Martínez, Carme; Mauri, Maria; Burgos, Zoraida (2016-10-28)
      L’any 2009, aprofitant els actes de la celebració del 150è aniversari de l’avarament de l’Ictíneu, es va donar a conèixer la troballa dels llibres propietat de Narcís Monturiol amb una exposició. El ...
    • Geomagnetism at Ebro: Present and Future 

      Curto, J.J.; Torta, J.M.; Cardús, J.O.; Sanclement, E.; Alberca, J.F.; Marsal Vinadé, Santiago; Blanch Llosa, Estefania; Gaya-Piqué, Ll. (International Workshop “Challenges for Geomagnetism, Aeronomy and Seismology in the XXI Century". Roquetes (Baix Ebre), 29 Septiembre-1 Octubre 2004], 2004-10-01)
      Activities of research and services are performed at the magnetic section of Ebro Observatory. Most of the scientific projects are related to Solar_terrestrial Physics. Latest projects focused on Antarctic ...
    • Midlatitude F region peak height changes in response to interplanetary magnetic field conditions and modeling results 

      Blanch Llosa, Estefania; Altadill, David (Blanch, E., and D. Altadill (2012), Midlatitude F region peak height changes in response to interplanetary magnetic field conditions and modeling results, J. Geophys. Res., 117, A12311, doi:10.1029/2012JA018009., 2012-12-13)
      The response of the electron density peak height of the F2 region, hmF2, to geomagnetic storms has been investigated and a characteristic behavior of the peak height disturbance in relation to local-time, ...
    • Narrowband and Wideband Channel Sounding of an Antarctica to Spain Ionospheric Radio Link 

      Hervás, Marcos; Alsina-Pagès, Rosa Ma; Orga, Ferran; Altadill Felip, David; Pijoan, Joan Lluis; Badia, David (Remote Sensing. 2015, Vol.7, 2015-09)
      La Salle and Ebro Observatory have been involved in remote sensing projects in Antarctica for the last 11 years (approximately one solar cycle). The Ebro Observatory has been monitoring and analyzing ...
    • Physical Layer Definition for a Long-Haul HF Antarctica to Spain Radio Link 

      Alsina-Pagès, Rosa Ma; Hervás, Marcos; Orga, Ferran; Pijoan, Joan Lluis; Badia, David; Altadill Felip, David (Remote Sensing. 2016. Vol.8 No.5 (Maig), 2016-05)
      La Salle and the Observatori de l’Ebre (OE) have been involved in a remote sensing project in Antarctica for the last 11 years. The OE has been monitoring the geomagnetic activity for more than twenty ...
    • Remote Sensor Data Transmission from Antarctica to Spain with a Long-Haul HF Ionospheric Link 

      Alsina-Pagès, Rosa Ma; Badia, David; Bergada, Pau; Hervás, Marcos; Orga, Ferran; Pijoan, Joan Lluis; Regué, Joan Ramon; Salvador Marín, Martí; Altadill Felip, David (2015)
      The geophysical observatory in the Antarctic Spanish Station Juan Carlos I (BAE), on Livingston Island (62.6S, 60.4W), has been monitoring the magnetic field in the Antarctic region for more than fifteen ...
    • SSC detection using wavelet analysis 

      Curto, J.J.; Blanch Llosa, Estefania (International Workshop “Challenges for Geomagnetism, Aeronomy and Seismology in the XXI Century". Roquetes (Baix Ebre), 29 Septiembre-1 Octubre 2004, 2004-10-01)
      For Sudden Storm Commencements, several methods aiming automatic detection of the events have been proposed. Most of them are based in the analysis of digital geomagnetic field data using some morphological ...
    • Vertical and oblique ionospheric soundings over a very long multihop HF radio link from polar to midlatitudes: Results and relationships 

      Vilella Parra, Carles; Miralles Esteban, David; Fonseca, David; Acosta Pérez, Francisco; Solé, J.G.; Torta Margalef, Joan Miquel (Radio Science, 2009. Vol. 44, Rs2014, 2009-04)
      A vertical incidence sounder (VIS) was installed at the Spanish Antarctic Base (62.7°S, 299.6°E) during the Antarctic summer survey 2004–2005. In addition, an oblique sounding (OS) system for HF ...
    • Vertical and Oblique ionospheric soundings over the long haul HF link between Antarctica and Spain 

      Ads, Ahmed Gamal; Bergada, Pau; Regué, Joan Ramon; Alsina-Pagès, Rosa Ma; Pijoan, Joan Lluis; Altadill Felip, David; Badia Folguera, David; Graells Castellà, Simó (Radio Science. 2015, Vol. 50, No.9 (Setembre), 2015-09)
      This paper presents a comparative study between the oblique sounding results, theInternational Telecommunication Union Rec533 HF prediction model, and the vertical sounding results of atransequatorial ...
    • Vertical and oblique ionospheric soundings performance comparison over the 12,760 km transequatorial HF link between Antarctica and Spain 

      Alsina-Pagès, Rosa Ma; Hervás, Marcos; Altadill Felip, David; Calduch Casas, Jordi; Blanch Llosa, Estefania (Radio Science. 2017. Vol.52, No.4 (Abril), 2017-03)
      This paper presents the second part of the study of the oblique sounding of a 12,760 km transequatorial ionospheric link between Livingston Island (Antarctica) and Cambrils in Spain. The study consists ...