<i>Letter to the Editor:</i> 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
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 t...
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2000-05-01
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| Series: | Annales Geophysicae |
| Online Access: | https://www.ann-geophys.net/18/589/2000/angeo-18-589-2000.pdf |
| _version_ | 1818845716559167488 |
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| author | J. A. Davies J. A. Davies J. A. Davies T. K. Yeoman M. Lester S. E. Milan |
| author_facet | J. A. Davies J. A. Davies J. A. Davies T. K. Yeoman M. Lester S. E. Milan |
| author_sort | J. A. Davies |
| collection | DOAJ |
| description | 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.<br><br><b>Key words: </b>Ionosphere (ionospheric irregularities;
plasma convection; instruments and techniques) |
| first_indexed | 2024-12-19T05:34:05Z |
| format | Article |
| id | doaj.art-9241398f386244ada86fda1b6e46e912 |
| institution | Directory Open Access Journal |
| issn | 0992-7689 1432-0576 |
| language | English |
| last_indexed | 2024-12-19T05:34:05Z |
| publishDate | 2000-05-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Annales Geophysicae |
| spelling | doaj.art-9241398f386244ada86fda1b6e46e9122022-12-21T20:34:09ZengCopernicus PublicationsAnnales Geophysicae0992-76891432-05762000-05-011858959410.1007/s00585-000-0589-6<i>Letter to the Editor:</i> 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 radarJ. A. Davies0J. A. Davies1J. A. Davies2T. K. Yeoman3M. Lester4S. E. Milan5e-mail: jaq@ion.le.ac.ukRadio and Space Plasma Physics Group, Department of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, UK<i>Correspondence to:</i> J. A. DaviesRadio and Space Plasma Physics Group, Department of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, UKRadio and Space Plasma Physics Group, Department of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, UKRadio and Space Plasma Physics Group, Department of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, UKDuring 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.<br><br><b>Key words: </b>Ionosphere (ionospheric irregularities; plasma convection; instruments and techniques)https://www.ann-geophys.net/18/589/2000/angeo-18-589-2000.pdf |
| spellingShingle | J. A. Davies J. A. Davies J. A. Davies T. K. Yeoman M. Lester S. E. Milan <i>Letter to the Editor:</i> 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 Annales Geophysicae |
| title | <i>Letter to the Editor:</i> 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 |
| title_full | <i>Letter to the Editor:</i> 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 |
| title_fullStr | <i>Letter to the Editor:</i> 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 |
| title_full_unstemmed | <i>Letter to the Editor:</i> 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 |
| title_short | <i>Letter to the Editor:</i> 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 |
| title_sort | i letter to the editor i 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 |
| url | https://www.ann-geophys.net/18/589/2000/angeo-18-589-2000.pdf |
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