Listando Articles publicats en revistes por autor/a "Altadill Felip, David"
Mostrando ítems 1-8 de 8
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An example of operation for a partly manned Antarctic geomagnetic observatory and the development of a radio link for data transmission
Torta Margalef, Joan Miquel; Marsal Vinadé, Santiago; Riddick, John C.; Vilella Parra, Carles; Altadill Felip, David; Blanch Llosa, Estefania; Cid, Oscar; Curto, Joan J.; De Santis, Angelo; Gaya-Piqué, Luis R.; Mauricio Ferré, Juan; Pijoan Vidal, Joan Lluís; Solé, Germán J.; Ugalde, Arantza (Annals of Geophysics, 2009. Vol. 52, 1 (Febrer), 2009-02)The experience acquired from more than ten years of operation of an Antarctic geomagnetic observatory is described along with the development of data transmission facilities. The observatory was deployed ... -
Narrowband and Wideband Channel Sounding of an Antarctica to Spain Ionospheric Radio Link
Hervás García, Marcos; Alsina Pagès, Rosa Maria; Orga Vidal, Ferran; Altadill Felip, David; Pijoan Vidal, Joan Lluís; Badia Folguera, 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 Maria; Hervás García, Marcos; Orga Vidal, Ferran; Pijoan Vidal, Joan Lluís; Badia Folguera, 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 Geophysical Observatory in Antarctica with HF data transmission: a Review
Pijoan Vidal, Joan Lluís; Altadill Felip, David; Torta Margalef, Joan Miquel; Alsina Pagès, Rosa Maria; Marsal Vinadé, Santiago; Badia Folguera, David (Remote Sensing. 2014, Vol.6 (Juliol), 2014-07)The geophysical observatory in the Antarctic Spanish Station Juan Carlos I (ASJI) in Livingston Island has been monitoring the magnetic field in the Antarctic region for more than fifteen years. In 2004, ... -
Variation of Ionospheric Narrowband and Wideband Performance for a 12,760 km Transequatorial Link and Its Dependence on Solar and Ionospheric Activity
Alsina Pagès, Rosa Maria; Altadill Felip, David; Hervás García, Marcos; Blanch Llosa, Estefania; Segarra, Antoni; González Sans, Xavier (Remote Sensing, 2020, Vol.12 no 17, 2020-08)The ionosphere provides a channel that is able to propagate electromagnetic waves for long-haul communications, allowing Non-Line-Of-Sight (NLOS) radio communications in the high-frequency band (HF). ... -
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; Altadill Felip, 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; Bergadà Caramés, Pau; Regué, Joan Ramon; Alsina Pagès, Rosa Maria; Pijoan Vidal, Joan Lluís; 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 Maria; Hervás García, 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 ...