Measuring Electrodynamics of the Ionosphere by Digital Ionosondes and Other Techniques

Abstract

The contributions of chemistry and vertical position to the F-region airglow production were simulated using a relatively simple computer code. Observed emissions inside depletion regions and variations in background emission were studied to try to explain differences in emission between nights when depletions were present and nights when no depletions were present, and also the apparent depression of the ionosphere by 20-30 km before a moving depression arrives at a site. Calculations showed that the much faster SMART code produced signal and signal-to-noise predictions almost as accurate as the HASEL code. Digisonde data from Millstone Hill for four periods from October 1998 through March 1999 were archived. The ARTIST4 program was completed and installed in several DISS systems in the US and elsewhere.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2000
Accession Number
ADA406398

Entities

People

  • B. W. Reinisch
  • Gary Sales

Organizations

  • University of Massachusetts Lowell

Tags

Communities of Interest

  • Energy and Power Technologies
  • Human Systems
  • Space

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Communication Systems
  • Computer Programming
  • Computers
  • Doppler Effect
  • Electron Density
  • Environment
  • Frequency
  • Ionograms
  • Ionosondes
  • Ionosphere
  • Measurement
  • Operating Systems
  • Ray Tracing
  • Repetition Rate
  • Web Browsers

Readers

  • Computational Modeling and Simulation
  • Robotics and Automation.
  • Space/Atmospheric Physics.