DETECTING NARROW, FIELD-ALIGNED SPATIAL STRUCTURES IN THE AURORAL IONOSPHERE USING THE EISCAT SVALBARD RADAR DUAL ANTENNAS AS AN INTERFEROMETER

In order to provide observations to help decide between competing theories of Anomalous Ion Spectra (AIS) observed at several Incoherent Scattering Radar (ISR) observatories, to explore the possibility of any connection between this phenomenon and visible auroral forms, and to see if enhanced scatte...

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Bibliographic Details
Main Authors: Tom Grydel, Susumu Saito, Cesar La Hoz, Tor Hagfors
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
Svalbard
EISCAT
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.78.7533
http://www.phys.uit.no/~tom/publications/2002/p1813.pdf
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Summary:In order to provide observations to help decide between competing theories of Anomalous Ion Spectra (AIS) observed at several Incoherent Scattering Radar (ISR) observatories, to explore the possibility of any connection between this phenomenon and visible auroral forms, and to see if enhanced scattering is due to localised scattering structures, we have used the two antennas of the EISCAT Svalbard Radar (ESR) as an interferometer, recording time series separately from each antenna. This offers an opportunity for high time-resolution observations, and also the possibility of detecting scattering structures localised along the baseline between the two antennas within the radar beam. 1.

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