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Bremer et al. 1995
Bremer, J., Singer, W., Keuer, D., Hoffman, P., Röttger, J., Cho, J.Y.N. and Swartz, W.E. (1995). Observations of polar mesosphere summer echoes at EISCAT during summer 1991. Radio Science 30: doi: 10.1029/95RS00651. issn: 0048-6604.

Polar mesosphere summer echoes (PMSE) have been observed with the European incoherent scatter (EISCAT) VHF radar operating on 224 MHz during summer 1991. The mean height of PMSE was about 85 km during daytime and about 87 km during nighttime, with a markedly enhanced frequency of occurrence during daytime. The occurrence frequency of PMSE is higher during geomagnetically quiet periods than during disturbed periods. There are indications of a PMSE modulation by vertical velocities, which may be caused by atmospheric gravity waves. Comparisons of PMSE structures detected with the EISCAT VHF radar on 224 MHz and the Cornell University portable radio interferometer, which was operated at the same time on 46.9 MHz, demonstrate some common features when operated collocated but marked differences when operated at a distance of some 126 km. ¿ American Geophysical Union 1995

BACKGROUND DATA FILES

Abstract

Keywords
Ionosphere, Polar cap ionosphere, Ionosphere, Instruments and techniques
Journal
Radio Science
Publisher
American Geophysical Union
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