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| Titel |
Letter to the Editor: A comparison of F-region ion velocity observations from the EISCAT Svalbard and VHF radars with irregularity drift velocity measurements from the CUTLASS Finland HF radar |
| VerfasserIn |
J. A. Davies, T. K. Yeoman, Mark Lester, S. E. Milan |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 18, no. 5 ; Nr. 18, no. 5, S.589-594 |
| Datensatznummer |
250013993
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| Publikation (Nr.) |
 copernicus.org/angeo-18-589-2000.pdf |
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| Zusammenfassung |
During August 1998, the UK EISCAT special
programme SP-UK-CSUB, which combines operation of both the mainland VHF and
Svalbard UHF incoherent scatter radars, was run for several hours around
magnetic midnight on four consecutive days. The CUTLASS Finland HF coherent
scatter radar was, at these times, operating in a discretionary mode, sounding
on all 16 beams, one at high-time resolution. This study presents a comparison
of the velocities measured by coherent and incoherent techniques during the
SP-UK-CSUB experiments. Agreement, particularly between the ion velocities
measured by the EISCAT Svalbard radar and irregularity drift measurements by the
Finland radar, is remarkable, thereby validating the scientific integrity of
both data sets. This work highlights the substantive contribution to our
understanding of the solar-terrestrial environment which can be made by use in
concert of incoherent and HF coherent scatter radars.
Key words: Ionosphere (ionospheric irregularities;
plasma convection; instruments and techniques) |
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