• Sushil K. Atreya
Part of the Physics and Chemistry in Space book series (SPACE, volume 15)


The ionospheric structure of the major planets has been measured since 1973, using the technique of radio occultation (Chap. II) from Pioneer and Voyager spacecrafts. The principal difference between the Pioneer and the Voyager measurements is that the former were carried out using a single frequency oscillator (S-band at 2.293 GHz or 13 cm-λ), while the latter employed dual frequency mode (S-band, and X-band at 8.6 GHz or 3.6 cm-λ).


Radio Occultation Outer Planet Neutral Temperature Thermospheric Wind Major Planet 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1986

Authors and Affiliations

  • Sushil K. Atreya
    • 1
  1. 1.Department of Atmospheric and Oceanic ScienceThe University of MichiganAnn ArborUSA

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