Radar evidence of Fe + in a sporadic- E layer

  • Behnke R
  • Vickrey J
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Abstract

Incoherent scatter results are presented using compressed‐pulse techniques to study a sporadic‐E layer at Arecibo. Multiple Barker‐coded pulses were used to obtain the autocorrelation function of the Es layer. A 13‐bit code with a baud length of 4 μsec was employed, resulting in 600‐m height resolution. The observations are examined for the presence of Fe+ by least‐square fitting the measured autocorrelation functions to a library of theoretical ones. The analysis indicates that Fe+ dominates in the Es layer, usually providing about 70% of the ionization.

Author-supplied keywords

  • ATMOSPHERIC IONIZATION
  • AUTOCORRELATION
  • INCOHERENT SCATTERING
  • IONOSPHERIC ELECTRON DENSITY
  • IONOSPHERIC SOUNDING
  • IRON
  • LEAST SQUARES METHOD
  • METAL IONS
  • PULSE COMPRESSION
  • RADAR MEASUREMENT
  • SPORADIC E LAYER

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Authors

  • Richard A. Behnke

  • James F. Vickrey

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