Abstract Active wave experiments in the 0–5 MHz range were carried out using a synchronized transmitter-receiver pair on the tethered sounding rocket payload OEDIPUS A. At full tether extension, the transmitter-receiver separation was 958 m. Although the transmitter power was modest (2.5 W), the receiver recorded strong propagation in tether-guided sheath-wave and plane-wave electromagnetic modes. After a summary of two principal wave results from the OEDIPUS experiment, these results are compared with related phenomena from the topside sounder spacecraft. The sheath-wave spectra clearly suggest that sheath waves are damped by electrostatic cyclotron waves. This is consistent with ideas in the topside-sounder literature that discuss how electrostatic waves transfer energy to the surrounding plasma. The transmission efficiency of slow Z-mode plane waves between the plasma and upper-hybrid resonance frequencies depends on guiding by density irregularities, which have produced related signatures in the monostatic sounder records.
Wave results from OEDIPUS A
Advances in Space Research ; 13 , 10 ; 5-13
1993-01-01
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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