1. Unusually high geomagnetic activity in 2003

   • A. V. Belov
   • S. P. Gaidash
   • Kh. D. Kanonidi

   OriginalPaper Pages: 541 - 550

2. Geosynchronous magnetopause crossings on October 29–31, 2003

   • A. V. Dmitriev
   • A. V. Suvorova

   OriginalPaper Pages: 551 - 560

3. The Tanaka-Enome criterion and solar activity in October–November 2003 as observed by the Large Pulkovo Radio Telescope

   • T. P. Borisevich
   • G. N. Il’in
   • A. A. Shpitalnaya

   OriginalPaper Pages: 561 - 570

4. Sporadic plasma streams and their sources in the period of extraordinary solar activity from October 26 to November 6, 2003

   • M. V. Eselevich
   • V. G. Eselevich

   OriginalPaper Pages: 571 - 582

5. Manifestations of sudden commencement of a severe magnetic storm of November 20, 2003, in generation of an SC pulse, P _SC pulsations, and spatial modulation of the auroral brightness

   • D. G. Baishev
   • G. V. Borisov
   • K. Yumoto

   OriginalPaper Pages: 583 - 590

6. Midlatitude auroras in the south of Eastern Siberia during strong geomagnetic storms on October 29–31, 2003 and November 20–21, 2003

   • A. V. Mikhalev
   • A. B. Beletsky
   • M. A. Chernigovskaya

   OriginalPaper Pages: 591 - 596

7. Global geomagnetic response to a sharp compression of the magnetosphere and IMF variations on October 29, 2003

   • S. I. Solovyev
   • A. V. Moiseyev
   • L. Newitt

   OriginalPaper Pages: 597 - 606

8. Amplitude modulation of VLF emission and absorption of cosmic noise by Pc5 geomagnetic pulsations in the period of geomagnetic storms on October 30–31, 2003

   • S. I. Solovyev
   • V. A. Mullayarov
   • S. N. Samsonov

   OriginalPaper Pages: 607 - 613

9. Effects of the geomagnetic storm on October 29–31, 2003, on mid-latitude short-wave radio paths (the data of Doppler measurements)

   • V. V. Bochkarev
   • I. R. Petrova
   • V. Yu. Teplov

   OriginalPaper Pages: 614 - 618

10. Variations in rigidity spectrum and anisotropy of cosmic rays during sporadic phenomena in the heliosphere in October–November 2003

    • V. M. Dvornikov
    • V. E. Sdobnov
    • M. V. Yudina

    OriginalPaper Pages: 619 - 625

11. Changes in the Earth’s ozonosphere due to ionization of high-latitude atmosphere by solar protons in October, 2003

    • A. A. Krivolutsky
    • A. A. Kuminov
    • I. N. Myagkova

    OriginalPaper Pages: 626 - 635

12. Large proton disturbances in the orbit: 14 years later

    • V. A. Bondarenko
    • V. G. Mitrikas
    • V. V. Tsetlin

    OriginalPaper Pages: 636 - 640