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References

  • Afraimovich, E. L., E. I. Astafyeva, and I. V. Zhivetiev (2006), Solar activity and global electron content, Dokl. Earth Sci., 409A(N6), 921924.
  • Ahmed, N., T. Natarajan, and K. R. Rao (1974), Discrete Cosine Transform, IEEE Trans. Comput., C-23, 9093.
  • Aragón-Angel, A. (2010), Contributions to ionospheric electron density retrieval, dissertation, Doctorate in Aerospace Science and Technology, Tech. Univ. of Catalonia, Barcelona, Spain.
  • Azpilicueta, F., and C. Brunini (2008), Analysis of the bias between TOPEX and GPS vTEC determinations, J. Geod., 83(2), 121127.
  • Bilitza, D. (2001), International Reference Ionosphere 2000, Radio Sci., 36, 261275, doi:10.1029/2000RS002432.
  • Bust, G. S., and C. N. Mitchell (2008), History, current state, and future directions of ionospheric imaging, Rev. Geophys., 46, RG1003, doi:10.1029/2006RG000212.
  • Cander, L. R., M. M. Milosavljevic, S. S. Stankovic, and S. Tomasevic (1998), Ionospheric forecasting technique by artificial neural network, Electron. Lett., 34(6), 1573l574.
  • Dick, M. I., M. F. Levy, L. R. Cander, I. Kutiev, and P. Muhtarov (1999), Short-term ionospheric forecasting over Europe, IEE Publ., 461, 105.
  • Dow, J. M., R. E. Neilan, and C. Rizos (2009), The International GNSS Service in a changing landscape of Global Navigation Satellite Systems, J. Geod., 83, 191198.
  • Francis, N. M., P. S. Cannon, A. G. Brown, and D. S. Broomhead (2000), Nonlinear prediction of the ionospheric parameter on hourly, daily, and monthly timescales, J. Geophys. Res., 105(A6), 12,83912,849.
  • García-Rigo, A., M. Hernández-Pajares, J. M. Juan, and J. Sanz (2006), Solar flare detection system based on Global Positioning System data: First results, Adv. Space Res., 39(5), 889895.
  • García-Rigo, A., M. Hernández-Pajares, J. M. Juan Zornoza, and J. Sanz (2008), Real time ionospheric TEC monitoring method applied to detect solar flares, paper presented at General Assembly, Eur. Geosci. Union, Vienna.
  • Hastie, T., R. Tibshirani, and J. Friedman (2001), The Elements of Statistical Learning: Data Mining, Inference and Prediction, Springer, New York.
  • Hernández-Pajares, M. (2004), IGS Ionosphere WG status report: Performance of IGS Ionosphere TEC Maps, paper presented at IGS Technical Meeting, Int. GNSS Serv., Bern.
  • Hernández-Pajares, M., J. M. Juan, J. Sanz, and O. L. Colombo (2000), Application of ionospheric tomography to real-time GPS carrier-phase ambiguities resolution, at scales of 400–1000 km and with high geomagnetic activity, Geophys. Res. Lett., 27(13), 20092012.
  • Hernández-Pajares, M., J. M. Juan, J. Sanz, A. Garcia-Rigo, J. Feltens, A. Komjathy, S. C. Schaer, and A. Krankowski (2009), The IGS VTEC maps: A reliable source of ionospheic information since 1998, J. Geod., 83(3–4), 263275.
  • Hill, S. M., et al. (2005), The NOAA Goes-12 Solar X-Ray Imager (SXI): 1. Instrument, operations, and data, Sol. Phys., 226, 255281.
  • Hoaglin, D., F. Mosteller, and J. Tukey (1983), Understanding Robust and Exploratory Data Analysis, Wiley, New York.
  • Klobuchar, J. A. (1986), Design and characteristics of the GPS ionospheric time delay algorithm for single frequency users, paper presented at PLANS 1986 Position, Location and Navigation Symposium, Inst. of Electr. and Electron. Eng., Las Vegas, Nev.
  • Krankowski, A., and M. Hernández-Pajares (2008), Status of the IGS ionosphere products and future developments, paper presented at IGS Analysis Center Workshop, Natl. Geod. Surv., Miami Beach, Fla.
  • Krankowski, A., W. Kosek, L. W. Baran, and W. Popiński (2005), Wavelet analysis and forecasting of VTEC obtained with GPS observations over European latitudes, J. Atmos. Sol. Terr. Phys., 67, 11471156.
  • Muhtarov, P., and I. Kutiev (1999), Autocorrelation method for temporal interpolation and short-term prediction of ionospheric data, Radio Sci., 34(2), 459464, doi:10.1029/1998RS900020.
  • Muhtarov, P., I. Kutiev, Lj. R. Cander, B. Zolesi, G. de Franceschi, M. Levy, and M. Dick (2001), European ionospheric forecast and mapping, Phys. Chem. Earth, Part C, Sol. Terr. Planet. Sci., 26(5), 347351.
  • Nava, B., P. Coisson, and S. M. Radicella (2008), A new version of the NeQuick ionosphere electron density model, J. Atmos. Sol. Terr. Phys., 18561862, doi:10.1016/j.jastp.2008.01.015.
  • Oppenheim, A. V., and R. W. Schafer (2010), Discrete-Time Signal Processing, 3rd ed., Prentice Hall, Upper Saddle River, N. J.
  • Orús, R., L. R. Cander, and M. Hernández-Pajares (2007), Testing regional vertical total electron content maps over Europe during the 17–21 January 2005 sudden space weather event, Radio Sci., 42, RS3004, doi:10.1029/2006RS003515.
  • Orús, R., M. Hernández-Pajares, J. M. Juan, J. Sanz, A. Aragón-Angel, and A. García-Rigo (2010), Real time application of TOMION model, paper presented at Beacon Satellite Symposium, Int. Union of Radio Sci., Barcelona, Spain.
  • Schaer, S. (1999), Mapping and predicting the Earth's ionosphere using the Global Positioning System, dissertation, Astron. Inst., Univ. of Bern, Bern.
  • Schaer, S., W. Gurtner, and J. Feltens (1998), IONEX: The IONosphere Map EXchange Format Version 1, February 25, 1998, paper presented at IGS Analysis Centers Workshop, ESA's Space Oper. Cent., Darmstadt, Germany.
  • Sivestrin, P., M. Berger, Y. Kerr, and J. Font (2001), ESA's second earth explorer opportunity mission: The soil moisture and ocean salinity mission SMOS, IEEE Geosci. Remote Sens. Newsl., 118, 1114.
  • Stanislawska, I., and Z. Zbyszynski (2001), Forecasting of the ionospheric quiet and disturbed f0F2 VALues at a single location, Radio Sci., 36, 10651071, doi:10.1029/1999RS002242.
  • Tulunay, E., E. T. Senalp, S. M. Radicella, and Y. Tulunay (2006), Forecasting total electron content maps by neural network technique, Radio Sci., 41, RS4016, doi:10.1029/2005RS003285.