A new type of mid‐latitude multi‐path whistler trains including a non‐ducted whistler

Ohta, Kenji; Kitagawa, T.; Hayakawa, Masashi; Dowden, R. L.

doi:10.1029/97gl02813

Cited by 4 publications

(1 citation statement)

References 17 publications

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“…Ducted whistlers are observable for frequencies below half the minimum gyrofrequency along the L shell determined by the observer's latitude [Carpenter, 1968]. Rarely, unducted whistlers are observed on the ground [Sonwalkar, 1995;Ohta et al, 1997].…”

Section: Brief Historymentioning

confidence: 99%

Whistler waves in space and laboratory plasmas

Stenzel¹

1999

J. Geophys. Res.

131

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Abstract. An overview of whistler wave phenomena in space and laboratory plasmas is given. Common features and different approaches between laboratory and space plasma research are pointed out. Both research activities have discovered a rich variety of whistler wave effects. Many useful applications have emerged. Open research topics and interactions between lab and space research on whistlers are pointed out.

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Section: Brief Historymentioning

confidence: 99%

Whistler waves in space and laboratory plasmas

Stenzel¹

1999

J. Geophys. Res.

131

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Untitled

Lalmani¹,

Babu²,

Kumar³

et al. 1999

Earth, Moon, and Planets

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Interhemispheric propagation of VLF transmissions in the presence of ionospheric HF heating

Starks¹,

Lee²,

Jastrzębski³

2001

J. Geophys. Res.

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Abstract. Recent experiments carried out at the Arecibo Observatory in Puerto Rico and the magnetically conjugate location in Argentina suggest a connection between the prevalence and intensity of the interhemispheric propagation of VLF transmissions and HF heating of the ionosphere. During several nights of the study the O-mode CW heater appeared to enhance the coupling of VLF transmissions into the affected region of plasma. These signals presumably then entered plasmaspheric ducts more efficiently and led to conjugate measurements of relatively high amplitude. No such effects were seen with pulsed or X-mode heating. Short time resolution measurements of fading transmissions were marked by transit delays and amplitudes that remained nearly constant as the interhemispheric VLF signals diminished, consistent with the model of a plasmaspheric duct complemented by favorable plasma structures extending well into the F region but producing the majority of the total transit delay at plasmaspheric altitudes. It is also suggested that weak long-delay receptions often observed in these data are most probably prolongitudinal whistlers that are not ducted but which represent a potential contaminant in ducted VLF experiments of all types.

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A new type of mid‐latitude multi‐path whistler trains including a non‐ducted whistler

Cited by 4 publications

References 17 publications

Whistler waves in space and laboratory plasmas

Whistler waves in space and laboratory plasmas

Untitled

Interhemispheric propagation of VLF transmissions in the presence of ionospheric HF heating

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