1. Electromagnetic resonances in the polar ionosphere

   • A. B. Shvartsburg

   OriginalPaper Pages: 331 - 356

2. Recent progress in satellite radio beacon studies with particular emphasis on the ATS-6 radio beacon experiment

   • Kenneth Davies

   OriginalPaper Pages: 357 - 430

3. Book reviews

   • T. de Groot
   • H. J. A. Vesseur
   • K. Bogus

   BookReview Pages: 431 - 433