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  • Presentation | SM23D: Natural or Controlled Interactions of Electromagnetic Waves, Plasmas, and Energetic Particles Within Geosynchronous Orbit II Poster
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  • SM23D-2480: Whistler Wave Amplification with Satellite Rocket Exhaust in Space for Reduction of Energetic Particle Fluxes Harmful to Operational Satellites
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Author(s):
Paul Bernhardt, University of Alaska Fairbanks (First Author, Presenting Author)
Bengt Eliasson, University of Strathclyde
Andrew Howarth, University of Calgary
Jacob Bortnik, University of California Los Angeles


Rocket Exhaust Driven Amplification (REDA) is a new technique to create Intense Whistler Waves at ELF and VLF frequencies for interactions with Radiation Belts. Large amounts of time and money has ben invested for VLF wave generation in space using (1) Ground VLF Transmitters (i.e., SIPLE, HAARP, etc.), (2) Large VLF Antennas on Satellites (i.e., DSX), (3) Modulated Electron Beams (i.e., Beam-PIE), and (4) High Speed Ion Injections (i.e., SMART). The REDA technique AMPLIFIES whistler waves rather than EXCITES whistler waves. REDA employs common liquid propulsion engines, providing water vapor and carbon dioxide to activate the ionosphere. Whistler waves propagating through this plasma are greatly amplified. REDA whistlers reduce populations of radiation belt electrons actively in three minutes rather than naturally in two weeks. REDA was successfully demonstrated during the flight of NG-13 flight of the NASA/NG Cygnus spacecraft on 26 May 2020. Existing rocket motors support REDA. New research by UAF will involve mission planning, data collection, data analysis and development of supporting theory to plan REDA tests. Multiple opportunities are currently available for ISS re-boost missions. More tests are underway to confirm the REDA repeatability and a detailed theoretical model for the wave-particle-amplification process is being be developed.



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