| 1. |
- Brandstrom, BUE, et al.
(författare)
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Unambiguous evidence of HF pump-enhanced airglow at auroral latitudes
- 1999
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Ingår i: GEOPHYSICAL RESEARCH LETTERS. - : AMER GEOPHYSICAL UNION. - 0094-8276. ; 26:23, s. 3561-3564
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Tidskriftsartikel (refereegranskat)abstract
- Simultaneous observations by up to three low-light imaging stations belonging to the Auroral Large Imaging System (ALIS) have provided the first strong evidence of high-frequency (HF) pump-enhanced airglow at auroral latitudes. The airglow was enhanced by
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| 2. |
- Carozzi, TD, et al.
(författare)
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Full polarimetry measurements of stimulated electromagnetic emissions: First results
- 2001
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Ingår i: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. - : AMER GEOPHYSICAL UNION. - 0148-0227. ; 106:A10, s. 21395-21407
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Tidskriftsartikel (refereegranskat)abstract
- A theory and technique for the measurement of the full state of polarization (SOP) for wideband electromagnetic HF emissions from the ionosphere are introduced. The technique was employed in a recent experiment at the Sura ionospheric HF pumping facility
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| 3. |
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| 4. |
- Isham, B, et al.
(författare)
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Aspect angle dependence of HF enhanced incoherent backscatter
- 1999
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Ingår i: ACTIVE EXPERIMENTS IN SPACE PLASMAS. - : PERGAMON PRESS LTD. - 0273-1177. ; 24:8, s. 1003-1006
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Tidskriftsartikel (refereegranskat)abstract
- An HF ionospheric interaction experiment was performed in November and December of 1997 using the EISCAT HF transmitter and 931 and 224 MHz incoherent scatter radars, all co-located near Tromso, Norway. During this experiment the pointing of the UHF radar
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| 5. |
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| 6. |
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| 7. |
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| 8. |
- Kosch, MJ, et al.
(författare)
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High-latitude HF-induced airglow displaced equatorwards of the pump beam
- 2000
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Ingår i: GEOPHYSICAL RESEARCH LETTERS. - : AMER GEOPHYSICAL UNION. - 0094-8276. ; 27:17, s. 2817-2820
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Tidskriftsartikel (refereegranskat)abstract
- HF-induced airglow at 630 nm was observed by the Digital All-sky Imager, located near Skibotn in Norway, at F-region altitudes above the EISCAT HF facility near Tromso on 21 February 1999. The transmitter was operated in a 4-min on, 4-min off sequence at
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| 9. |
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| 10. |
- Sergienko, T, et al.
(författare)
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Analysis of excitation of the 630.0 nm airglow during a heating experiment in Tromso on February 16, 1999
- 2000
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Ingår i: PHYSICS AND CHEMISTRY OF THE EARTH PART B-HYDROLOGY OCEANS AND ATMOSPHERE. - : PERGAMON-ELSEVIER SCIENCE LTD. - 1464-1909. ; 25:5-6, s. 531-535 Language: English
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Tidskriftsartikel (refereegranskat)abstract
- During an ionospheric heating experiment in Tromso during February 1999, artificial 630.0 nm airglow enhancements have been observed by the auroral large imaging system (ALIS). The airglow enhancements took place in the F region of the ionosphere near the
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