2024
Calabia, A., Imtiaz, N., Altadill, D., Yasyukevich, Y., Segarra, A., Prol, F. S., et al. (2024). Uncovering the drivers of responsive ionospheric dynamics to severe space weather conditions: A coordinated multi-instrumental approach. Journal of Geophysical Research: Space Physics, 129, e2023JA031862. https://doi.org/10.1029/2023JA031862
2023
induced currents in the Spanish islands power transmission grids. Space Weather, 21, e2023SW003426. https://doi.org/10.1029/2023SW003426
2022
Bilitza, D., Pezzopane, M., Truhlik, V., Altadill, D., Reinisch, B. W., & Pignalberi, A. (2022). The International Reference Ionosphere model: A review and description of an ionospheric benchmark. Reviews of Geophysics, 60, e2022RG000792. https://doi.org/10.1029/2022RG000792
Curto, J.J., Segarra, A., Altadill, D. & Chambodut, A. (2022). Service of rapid magnetic variations, an update. Geoscience Data Journal. https://rmets.onlinelibrary.wiley.com/doi/full/10.1002/gdj3.164
, , (2022). A New Standalone Tool for DC-Equivalent Network Generation and GIC Calculation in Power Grids with Multiple Voltage Levels. Space Weather, e2021SW002984. https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2021SW002984
Curto Subirats, J.J.; Fischer-Carles, A.; Solé, A. Automatic Detection of Sfe: A Step Forward. Atmosphere 2022, 13, 199. https://doi.org/10.3390/atmos13020199
Pirjola, R. J., Boteler, D. H., Tuck, L., and Marsal, S.: The Lehtinen–Pirjola method modified for efficient modelling of geomagnetically induced currents in multiple voltage levels of a power network, Ann. Geophys., 40, 205–215, https://doi.org/10.5194/angeo-40-205-2022, 2022.
de Paula, V.; Segarra, A.; Altadill, D.; Curto, J.J.; Blanch, E. Detection of Solar Flares from the Analysis of Signal-to-Noise Ratio Recorded by Digisonde at Mid-Latitudes. Remote Sens. 2022, 14, 1898. https://doi.org/10.3390/rs14081898
2021
Hisashi Hayakawa, Denny M Oliveira, Margaret A Shea, Don F Smart, Seán P Blake, Kentaro Hattori, Ankush T Bhaskar, Juan J Curto, Daniel R Franco, Yusuke Ebihara, The Extreme Solar and Geomagnetic Storms on 20-25 March 1940, Monthly Notices of the Royal Astronomical Society, 2021;, stab3615, https://doi.org/10.1093/mnras/stab3615
Patrick Alken; Erwan Thebault; Ciaran Beggan; Hagay Amit; Julien Aubert; Julien Baerenzung; T. Bondar; William Brown; Sam Califf; Aude Chambodut; Arnaud Chulliat; Grace Cox; Chris Finlay; Alexandre Fournier; Nicolas Gillet; Alexander Grayver; Magnus Hammer; Matthias Holschneider; Loic Huder; Gauthier Hulot; Thomas Jager; Clemens Kloss; Monika Korte; Weijia Kuang; Alexey Kuvshinov; Benoit Langlais; Jean-Michel Leger; Vincent Lesur; Phil Livermore; Frank Lowes; Susan Macmillan; Werner Magnes; Mioara Mandea; S Marsal; Jurgen Matzka; Maurits Metman; T. Minami; Achim Morschhauser; Jonathan Mound; Manoj Nair; S. Nakano; Nils Olsen; F. J. Pavon-Carrasco; Valeriy Petrov; Guillaume Ropp; Martin Rother; Terence Sabaka; Sabrina Sanchez; Diana Saturnino; Neesha Schnepf; X. Shen; Claudia Stolle; Andrew Tangborn; Lars Toffner-Clausen; Hiroaki Toh; J.M. Torta; Jesse Varner; Foteini Vervelidou; Pierre Vigneron; Ingo Wardinski; Johannes Wicht; Adam Woods; Yanyan Yang; Z. Zeren; B. Zhou (2021). International Geomagnetic Reference Field: the thirteenth generation. Earth, Planets and Space, 73, 49, https://doi.org/10.1186/s40623-020-01288-x
2020
Belehaki A, Tsagouri I, Altadill D, Blanch E, Borries C, et al. 2020. An overview of methodologies for real-time detection, characterisation and tracking of traveling ionospheric disturbances developed in the TechTIDE project. J. Space Weather Space Clim. 10, 42. https://doi.org/10.1051/swsc/2020043
Alsina-Pagès, R.M.; Altadill, D.; Hervás, M.; Blanch, E.; Segarra, A.; Gonzalez Sans, X. Variation of Ionospheric Narrowband and Wideband Performance for a 12,760 km Transequatorial Link and Its Dependence on Solar and Ionospheric Activity. Remote Sens. 2020, 12, 2750. https://doi.org/10.3390/rs12172750
Jordi Diaz; Mario Ruiz; Juan-José Curto; Joan-Miquel Torta; Juanjo Ledo; Alex Marcuello; Pilar Queralt (2020). On the observation of magnetic events on broad-band seismometers. Earth Planets Space 72, 109 (2020). https://doi.org/10.1186/s40623-020-01236-9
F. Javier Pavón-Carrasco, Santiago Marsal, J. Miquel Torta, Manuel Catalán, Fátima Martín-Hernández, J. Manuel Tordesillas (2020): Bootstrapping Swarm and observatory data to generate candidates for the DGRF and IGRF-13. Earth, Planets and Space, 72, 152 (2020). https://doi.org/10.1186/s40623-020-01198-y
Curto JJ, Juan JM & Timoté CC (2020): Answer to the comments on “Confirming geomagnetic Sfe by means of a solar flare detector based on GNSS”. J. Space Weather Space Clim. 10, 16. https://doi.org/10.1051/swsc/2020016
Torta, J.M. (2020): Modelling by Spherical Cap Harmonic Analysis: A Literature Review, Surv Geophys 41, 201–247. https://doi.org/10.1007/s10712-019-09576-2
Vadym Paznukhov, David Altadill, Miguel Juan, Estefania Blanch (2019): Ionospheric tilt measurements: application to TID climatology study, Radio Science, https://doi.org/10.1029/2019RS007012
2019
Marsal, S., J.M. Torta (2019): Quantifying the Performance of Geomagnetically Induced Current Models, Space Weather, https://doi.org/10.1029/2019SW002208
Juan José Curto, José Miguel Juan and Cristhian Camilo Timoté, Confirming geomagnetic Sfe by means of a solar flare detector based on GNSS, J. Space Weather Space Clim., 9 (2019) A42, DOI: https://doi.org/10.1051/swsc/2019040
Curto, J.J. Uncertainty in hourly mean data from classical magnetometers. Earth Planets Space 71, 139 (2019) https://doi.org/10.1186/s40623-019-1119-2
2018
Ippolito A, D. Altadill, C. Scotto, E. Blanch (2018): Oblique Ionograms Automatic Scaling Algorithm OIASA application to the ionograms recorded by Ebro observatory ionosonde. J. Space Weather Space Clim. 8: A10. https://doi.org/10.1051/swsc/2017042.
Juan, J.M., J. Sanz, G. González-Casado, A. Rovira-Garcia, A. Camps, J. Riba, J. Barbosa, E. Blanch, D. Altadill, R. Orus (2018): Feasibility of precise navigation in high and low latitude regions under scintillation conditions. J. Space Weather Space Clim. 8: A05. https://doi.org/10.1051/swsc/2017047.
2017
Marsal, S., J. M. Torta, A. Segarra, and T. Araki (2017): Use of Spherical Elementary Currents to map the polar current systems associated with the geomagnetic sudden commencements on 2013 and 2015 St. Patrick's Day storms, J. Geophys. Res. Space Physics, 122, 194–211, doi:10.1002/2016JA023166.
Àngela Talarn, F. Javier Pavón-Carrasco, J. Miquel Torta, Manuel Catalán (2017): Evaluation of using R-SCHA to simultaneously model main field and secular variation multilevel geomagnetic data for the North Atlantic, Physics of the Earth and Planetary Interiors, 263, 55–68, http://dx.doi.org/10.1016/j.pepi.2016.11.008
Magdaleno, S., M. Herraiz, D. Altadill, and B. A. de la Morena (2017): Climatology characterization of equatorial plasma bubbles using GPS data. J. Space Weather Space Clim., 7, A3. DOI: 10.1051/swsc/2016039 [Full article]
Bilitza, D., D. Altadill, V. Truhlik, V. Shubin, I. Galkin, B. Reinisch, and X. Huang (2017): International Reference Ionosphere 2016: from ionospheric climate to real-time weather predictions, Space Weather, 15, 418–429, doi:10.1002/2016SW001593.
Torta, J. M., A. Marcuello, J. Campanyà, S. Marsal, P. Queralt, and J. Ledo (2017), Improving the modeling of geomagnetically induced currents in Spain, Space Weather, 15, 691–703, doi:10.1002/2017SW001628.
Alsina-Pagès R.M., M. Hervás, D. Altadill, J. Calduch, and E. Blanch (2017), Vertical and Oblique Ionospheric Soundings Performance Comparison over the 12,760 km Transequatorial HF Link between Antarctica and Spain, Radio Sci., 52, 498 - 510, doi:10.1002/2016RS006232.
Curto, J. J., Marsal, S., Creci, G., and Domingo, G.: Automatic detection of Sfe: a proposal, Ann. Geophys., 35, 799-804, https://doi.org/10.5194/angeo-35-799-2017, 2017.
Marsal, S., Curto, J. J., Torta, J. M., Gonsette, A., Favà, V., Rasson, J., Ibañez, M., and Cid, Ò.: An automatic DI-flux at the Livingston Island geomagnetic observatory, Antarctica: requirements and lessons learned, Geosci. Instrum. Method. Data Syst., 6, 269-277, https://doi.org/10.5194/gi-6-269-2017, 2017.
T. Verhulst, D. Altadill, J. Mielich, B. Reinisch, I. Galkin, A. Mouzakis, A. Belehaki, D. Buresova, S. Stankov, E. Blanch, D. Kouba; Vertical and oblique HF sounding with a network of synchronized ionosondes; Advances in Space Research, 60, 1644-1656, doi: 10.1016/j.asr.2017.06.033
2016
Curto, J.J., Alberca, L.F., Castell, J. (2016): Dynamic aspects of the Solar Flare Effects and their impact in the detection procedure, J. Ind. Geophys. Union, Special Volume-2/ 2016, 99-104 [Full article]
Alsina-Pagès, R.M.; Hervás, M.; Orga, F.; Pijoan, J.L.; Badia, D.; Altadill, D. (2016): Physical Layer Definition for a Long-Haul HF Antarctica to Spain Radio Link. Remote Sens., 8, 380 [Full article]
, and J. Space Weather Space Clim., 6, A23 [Full article]
Zolesi, B., C. Bianchi, A. Meloni, J. A. Baskaradas, A. Belehaki, D. Altadill, and E. Dalle Mese (2016): “SWING”:A European project for a new application of an ionospheric network, Radio Sci., 51, 5, 421–428 [Abstract]
2015
Azpilicueta, F., Altadill, D., Brunini, C., Torta, J.M., Blanch, E. (2015): A comparison of the LPIM-COSMIC F2 peak parameters determinations against the IRI(CCIR), Advances in Space Research, 55, 8, 2012–2019, DOI: 10.1016/j.asr.2014.08.008 [Full article]
J. Miquel Torta, David Altadill, Estefania Blanch, Pere Quintana-Seguí (2015): APORTACIONES DEL OBSERVATORIO DEL EBRO AL ANALISIS Y PREVENCIÓN DE RIESGOS NATURALES, Revista digital Reducción del riesgo de desastres, Dirección General de Protección Civil y Emergencias, No. 1 [Full article]
M. Limberger, M. Hernández-Pajares, A. Aragón-Ángel, D. Altadill, and D. Dettmering; Long-term comparison of the ionospheric F2 layer electron density peak derived from ionosonde data and Formosat-3/COSMIC
occultations; J. Space Weather Space Clim., 5, A21 (2015); DOI: 10.1051/swsc/2015023 [Full article]
S. Marsal (2015): Conductivities consistent with Birkeland currents in the AMPERE‐driven TIE‐GCM, Journal of Geophysical Research, 120, doi: 10.1002/2015JA021385 [Abstract]
J. Miquel Torta, F. Javier Pavón-Carrasco, Santiago Marsal, Christopher C. Finlay (2015): Evidence for a new geomagnetic jerk in 2014, Geophysical Research Letters, 42, 7933-7940, doi:
Segarra, A., Nose, M., Curto, J.J., Araki, T. (2015): Multipoint observation of the response of the magnetosphere and ionosphere related to the SC event on the 19th of November of 2007, Journal of Space Weather and Space Climate, 5, A13 [Full article]
Segarra, A., Curto, J.J. (2015): Recovering of local magnetic K-indices from global magnetic Kp-indices using neural networks: an application to Antarctica, Annals of Geophysics, 58, 4, 2015, G0440
Hervás, M.; Alsina-Pagès, R.M.; Orga, F.; Altadill, D.; Pijoan, J.L.; Badia, D. (2015): Narrowband and Wideband Channel Sounding of an Antarctica to Spain Ionospheric Radio Link. Remote Sens., 7, 11712-11730
A. G. Ads, P. Bergadà, J. R. Regué, R. M. Alsina‐Pagès, J. L. Pijoan, D. Altadill, D. Badia, S. Graells (2015): Vertical and oblique ionospheric soundings over the long haul HF link between Antarctica and Spain, Radio Science, doi: 10.1002/2015RS005773.
J. Miquel Torta (2015): LOS COSTES DE UN EVENTO SEVERO DE METEOROLOGÍA ESPACIAL, Revista digital Reducción del riesgo de desastres, Dirección General de Protección Civil y Emergencias, No.2 [Full article]
2014
Pavón-carrasco, F.J., M. Osete, J.M. Torta, A. De Santis (2014): A geomagnetic field model for the Holocene based on archaeomagnetic and lava flow data, Earth and Planetary Science Letters, 388, 98–109 [Abstract]
Bilitza, D., D. Altadill, Y. Zhang, C. Mertens, V. Truhlik, P. Richards, L.-A. McKinnell, and B. Reinisch (2014): The International Reference Ionosphere 2012 – a model of international collaboration, J. Space Weather Space Clim. 4, A07, DOI: 10.1051/swsc/2014004 [Full article]
Joan Lluis Pijoan, David Altadill, Joan Miquel Torta, Rosa Ma Alsina-Pagès, Santiago Marsal and David Badia (2014): Remote Geophysical Observatory in Antarctica with HF Data Transmission: A Review, Remote Sens. 2014, 6(8), 7233-7259; doi:10.3390/rs6087233 [Full article]
Joan Miquel Torta, Santiago Marsal and Marta Quintana (2014): Assessing the hazard from geomagnetically induced currents to the entire high-voltage power network in Spain, Earth, Planets and Space, 66:87 doi:10.1186/1880-5981-66-87 [Full article]
Miguel Herraiz, Benito A. de la Morena, Joan Miquel Torta, Manuel Catalán, Juan José Curto, Alicia García, José Manuel Martínez Solares, Isabel Socías, Juan José Villalaín (2014): Libro Blanco Geomagnetismo y Aeronomía, Instituto Nacional de Técnica Aeroespacial "Esteban "Terradas", 78p. [Full book]
2013
Pavón-Carrasco, F.J., J.M. Torta, M. Catalán, À. Talarn, T. Ishihara (2013): Improving total field geomagnetic secular variation modeling from a new set of cross-over marine data. Physics of the Earth and Planetary Interiors, 216, 21-31, DOI: 10.1016/j.pepi.2013.01.002 [Abstract]
Kutiev, I., I. Tsagouri, l. Perrone, D. Pancheva, P. Mukhtarov, A. Mikhailov, J. Lastovicka, N. Jakowski, D. Buresova, E. Blanch, B. Andonov, D. Altadill, S. Magdaleno, M. Parisi, J.M. Torta (2013): Solar activity impact on the earth’s upper atmosphere.J. Space Weather Space Clim., 3 A06, DOI: 10.1051/SWSC/2013028 [Full article]
Blanch, E., S. Marsal, A. Segarra, J. M. Torta, D. Altadill, J. J. Curto (2013): Space weather effects on Earth's environment associated to the 24–25 October 2011 geomagnetic storm.Space Weather, 11, 4, 153–168 [Full article]
Segarra, A. and J.J. Curto (2013): Automatic detection of sudden commencements using neural networks, Earth Planets Space, Vol. 65 (No. 7), 791-797 [Full article]
Mosert, M., S. Magdaleno, D. Buresova, D. Altadill, M. Gende, E. Gularte, L. Scida (2013): Behavior of the equivalent slab thickness over three European stations. Advances in Space Research, 51, 4, 677-682 [Abstract]
Altadill, D., S. Magdaleno, J.M. Torta, E. Blanch (2013): Global Empirical Models of the Density Peak Height and of the Equivalent Scale Height for Quiet Conditions. Advances in Space Research, 52, 10, 1756–1769 [Abstract]
Curto, J.J.; S. Marsal; J.M. Torta; M. Catalan; P. Covisa (2013): Anthropogenic Noise in Spanish Observatories. Proceedings XVth IAGA Workshop on Geomagnetic Observatory, Instruments, Data Acquisition and Processing, BOLETÍN ROA, N.º 3, 83-86 [Full article]
S. Marsal; J.M. Torta; Curto, J.J. (2013): Temperature Sensitivity of Variometers: Lessons Learnt from Livingston Island Geomagnetic Observatory. Proceedings XVth IAGA Workshop on Geomagnetic Observatory, Instruments, Data Acquisition and Processing, BOLETÍN ROA, N.º 3, 24-28 [Full article]
Torta, J.M., L. Serrano, J.R. Regué, A.M. Sánchez, X. Sans, E. Roldán (2013): Predicción y monitorización de corrientes inducidas geomagnéticamente en transformadores de alta tensión en Cataluña. Proceedings de la 7ª Asamblea Hispano-Portuguesa de Geodesia y Geofísica, S03, 221-224 [Full article]
Pavón-Carrasco, F.J., À. Talarn, J.M. Torta, M. Catalán, T. Ishihara (2013): Modelización de la Variación Secular del Campo Geomagnético a partir de Datos Marinos y de Observatorios.Proceedings de la 7ª Asamblea Hispano-Portuguesa de Geodesia y Geofísica, S03, 225-229 [Full article]
Segarra, A., J.J. Curto (2013): Neural networks in the field of automatic detection of Geomagnetic Sudden Commencements. Proceedings de la 7ª Asamblea Hispano-Portuguesa de Geodesia y Geofísica, S03, 231-234 [Full article]
Pavón-Carrasco, F.J.; M. Osete; J.M. Torta (2013): Evolución espacio-temporal del campo magnético de la Tierra en Europa. Proceedings de la 7ª Asamblea Hispano-Portuguesa de Geodesia y Geofísica, S03, 235-239 [Full article]
2012
Torta, J. Miquel, Lluís Serrano, J. Ramon Regué, Albert M. Sánchez and Elionor Roldán (2012): Geomagnetically Induced Currents in a Power Grid of northeastern Spain. Space Weather, 10, 6. DOI: 10.1029/2012SW000793 [Full article]
Blanch, E., D. Altadill (2012): Mid-latitude F-region peak height changes in response to interplanetary magnetic field conditions and modelling results. Journal of Geophysical Research, Vol.117, No. A12, A12311, doi:10.1029/2012JA018009 [Full article]
Marsal, S., A. D. Richmond, A. Maute, and B. J. Anderson (2012), Forcing the TIEGCM model with Birkeland currents from the Active Magnetosphere and Planetary Electrodynamics Response Experiment, J. Geophys. Res., 117, A06308, doi:10.1029/2011JA017416. [Abstract]
Nosé, M., T. Iyemori, L. Wang, A. Hitchman, J. Matzka, M. Feller, S. Egdorf, S. Gilder, N. Kumasaka, K. Koga, H. Matsumoto, H. Koshiishi, G. CifuentesNava, J. J. Curto, A. Segarra, C. Çelik (2012): Wp index: A new substorm index derived from high-resolution geomagnetic field data at low latitude. Space Weather, Vol. 10, S08002, doi:10.1029/2012SW000785 [Abstract]
2011
Pavón–Carrasco, F.J., Rodríguez-González, J.Osete, M.L., and Torta, J.M. (2011): A Matlab tool for archaeomagnetic dating, Journal of Archaeological Science. doi:10.1016/j.jas.2010.09.021, vol. 2, 408-419 [Abstract]
Magdaleno, S; D. Altadill, M. Herraiz, E. Blanch, B. de la Morena (2011): Ionospheric peak height behavior for low, middle and high latitudes: A potential empirical model for quiet conditions - Comparison with the IRI-2007 model. Journal of Atmospheric and Solar-Terrestrial Physics, Vol 73, Issue 13, 1810-1817, DOI: 10.1016/j.jastp.2011.04.019 [Abstract]
2010
Pavón–Carrasco, F.J., Osete, M.L., and Torta, J.M. (2010): Regional Modelling of the Geomagnetic Field in Europe from 6000 BC to 1000 BC. Geochem. Geophys. Geosyst, doi:10.1029/2010GC003197 [Abstract]
Torta, J.M. (2010): Geomagnetismo. Tendencias actuales y retos futuros, Publicacions de l'Observatori de l'Ebre. Miscel·lània nº 45 [Full article]
Torta, J. M., S. Marsal, J. J. Curto, and L. R. Gaya-Piqué (2010): Behaviour of the quiet day geomagnetic variation at Livingston Island and variability of the Sq focus position in the South American-Antarctic Peninsula region; Earth, Planets and Space, 62, 297–307. [Full article]
2009
Bergada, P., M. Deumal, C. Vilella, J.R. Regue, D. Altadill and S. Marsal (2009): Remote Sensing and Skywave Digital Communication from Antarctica; Sensors, 9, 12, 10136-10157, doi: 103390/s91210136. [Full article]
Altadill, D., J. M. Torta, E. Blanch (2009): Proposal of new models of the bottom-side B0 and B1 parameters for IRI. Adv. Space Res. 43, 1825–1834. [Abstract]
Curto, J.J., Gaya-Piqué, L.R. (2009): Geoffectiveness of Solar Flares in magnetic crochet (sfe) Production: I - Dependence on their spectral nature and position on the solar disk; J. Sol. Atmos. Terr. Phys., Vol. 71, 17-18, 1695-1704., doi: 10.1016/j.jastp.2008.06.018. [Abstract]
Curto, J.J., Gaya-Piqué, L.R. (2009): Geoffectiveness of Solar Flares in magnetic crochet (sfe) Production: II - Dependence on the detection method; J. Sol. Atmos. Terr. Phys., 71, 17-18, 1705-1710, doi: 10.1016/j.jastp.2007.12.003. [Abstract]
Curto, J.J., S. Marsal, J.M. Torta and E. Sanclement (2009): Removing spikes from magnetic disturbances caused by trains at Ebro Observatory; Proceedings of the XIII IAGA Workshop on Geomagnetic Observatory Instruments, Data acquisition and Processing, Open-File Report 2009-1226, 60-66. [Full article]
Marsal, S., and J.J. Curto (2009): New Approach to the Hourly Mean Computation Problem when dealing with missing data; Earth, Planets and Space, 61, 945-956. [Full article]
Marsal, S., J.J. Curto, J.C. Riddick, J.M. Torta, O. Cid and M. Ibañez (2009): Livingston Island Observatory upgrade: preliminary results; Proceedings of the XIII IAGA Workshop on Geomagnetic Observatory Instruments, Data acquisition and Processing, Open-File Report 2009-1226, 154-161. [Full article]
Pavón-Carrasco, F.J., Osete, M.L., Torta, J.M. and, Gaya-Piqué, L.R. (2009): A regional archeomagnetic model for Europe for the last 3000 years, SCHA.DIF.3K: applications to archeomagnetic dating. Geochem. Geophys. Geosyst., 10, Q03013, doi:10.1029/2008GC002244. [Abstract]
Torta, J. M., L. R. Gaya-Piqué, J. J. Curto, and D. Altadill (2009): An inspection of the long-term behaviour of the range of the daily geomagnetic field variation from comprehensive modelling; J. Atmos. Sol.-Terr. Phys., 71, 1497– 1510. [Abstract]
Torta, J.M., S. Marsal, J.C. Riddick, C. Vilella, D. Altadill, E. Blanch, O. Cid, J.J. Curto, A. De Santis, L.R. Gaya-Piqué, J. Mauricio, J.L. Pijoan, J.G. Solé, A. Ugalde (2009): An example of operation for a partly manned Antarctic Geomagnetic observatory and the development of a radio link for data transmission; Annals of Geophysics, 52, 1, 45-56. [Full article]
Vilella, C., D. Miralles, D. Altadill, F. Acosta, J.G. Solé, J.M. Torta, J.L. Pijoan (2009): Vertical and Oblique Ionospheric Soundings Over a Very Long Multi-Hop HF Radio Link From Polar to Mid-Latitudes: Results and Relationships, Radio Science, 44, RS2014, doi:10.1029/2008RS004001. [Abstract]
