1. Preface

   • P. Bencze
   • B. Zolesi

   EditorialNotes 27 February 2013 Pages: 133 - 133

2. First step towards specification of plasmaspheric-ionospheric conditions over Europe on-line

   • L. R. Cander
   • L. Ciraolo

   OriginalPaper 27 February 2013 Pages: 153 - 161

3. Studies of the ionospheric ionization over Athens using ground ionosonde and GPS derived TEC values

   • A. Belehaki
   • N. Jakowski

   OriginalPaper 27 February 2013 Pages: 163 - 170

4. The trough model

   • E. Feichter
   • R. Leitinger

   OriginalPaper 27 February 2013 Pages: 195 - 202

5. Ionospheric data combination as a way to improve electron density estimations

   • M. García-Fernändez
   • M. Hernändez-Pajares
   • R. Orús

   OriginalPaper 27 February 2013 Pages: 203 - 211

6. Space weather effects on transionospheric radio wave propagation on 6 April 2000

   • N. Jakowski
   • A. Wehrenpfennig
   • I. Kutiev

   OriginalPaper 27 February 2013 Pages: 213 - 220

7. Initial GPS radio occultation measurements of the ionosphere onboard CHAMP

   • N. Jakowski
   • A. Wehrenpfennig
   • H. Lühr

   OriginalPaper 27 February 2013 Pages: 221 - 226

8. The influence of high latitude off-great circle propagation effects on HF communication systems and radiolocation

   • E. M. Warrington
   • A. J. Stocker
   • N. Y. Zaalov

   OriginalPaper 27 February 2013 Pages: 239 - 251

9. Multipath effects in wideband fluctuating HF channels

   • V. E. Gherm
   • N. N. Zernov
   • H. J. Strangeways

   OriginalPaper 27 February 2013 Pages: 253 - 259

10. Propagation model for signal fluctuations on transionospheric radio links: Recent developments

    • V. E. Gherm
    • N. N. Zernov
    • H. J. Strangeways

    OriginalPaper 27 February 2013 Pages: 271 - 280

11. A quantitative description of the ionospheric variability — Preliminary results

    • S. S. Kouris
    • D. N. Fotiadis

    OriginalPaper 27 February 2013 Pages: 309 - 312

12. Assessment of TID activity from GPS phase data collected in a dense network of GPS receivers

    • M. Rieger
    • R. Leitinger

    OriginalPaper 27 February 2013 Pages: 327 - 341

13. Effects of geomagnetic storms on the ionospheric regions over the Southwest of Europe. An approach to the influence of the G condition on ionospheric values

    • G. Miró
    • S. M. Radicella
    • L. Ciraolo

    OriginalPaper 27 February 2013 Pages: 343 - 349

14. The effect of the mid-latitude trough on the direction of arrival and time-of-flight of HF radio signals

    • A. J. Stocker
    • E. M. Warrington
    • N. Y. Zaalov

    OriginalPaper 27 February 2013 Pages: 351 - 363

15. Ionospheric scintillations modelling by MPS and MPC phase screens methods

    • N. Caouren

    OriginalPaper 27 February 2013 Pages: 365 - 379