In situ measurements of transionospheric VLF wave injection

Kintner, P.M.; Brittain, R.; Kelley, M.C.; Carpenter, D.L.; Rycroft, M.J.. 1983 In situ measurements of transionospheric VLF wave injection. Journal of Geophysical Research, 88 (A9). 7065-7073. 10.1029/JA088iA09p07065

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Official URL: http://dx.doi.org/10.1029/JA088iA09p07065

Abstract/Summary

VLF waves at 3.85 kHz from the Siple, Antarctica, transmitter were continuously measured by electric and magnetic receivers on a sounding rocket as the waves propagated through the neutral atmosphere and into the ionosphere. The change from linear to circular polarization was clearly observed along with severe attenuation of the VLF signal in the D region. Interferometric measurements established the index of refraction and provided an independent calibration of the rocket‐borne receivers. An upper bound on the VLF power radiated is estimated to be 1.7×10³ W during a period when the antenna was driven at 115×10³ W. The power estimated to be entering the ionosphere is between 3 W and 12 W and depends on assumptions concerning the geometrical distribution of wave power.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1029/JA088iA09p07065
ISSN:	0148-0227
Date made live:	04 Jul 2019 08:45 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/524167

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1029/JA088iA09p07065

ISSN:

0148-0227

Date made live:

04 Jul 2019 08:45 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/524167