Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere
We present two examples from the cusp ionosphere over Svalbard, where poleward moving auroral forms (PMAFs) are causing significant phase scintillation in signals from navigation satellites. The data were obtained using a combination of ground-based optical instruments and a newly installed multicon...
Published in: | Journal of Geophysical Research: Space Physics |
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Online Access: | https://hdl.handle.net/1956/11844 https://doi.org/10.1002/2015ja021528 |
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ftunivbergen:oai:bora.uib.no:1956/11844 2023-05-15T17:08:29+02:00 Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere Oksavik, Kjellmar van der Meeren, Christer Lorentzen, Dag Arne Baddeley, Lisa Moen, Jøran Idar 2016-02-04T10:16:15Z application/pdf https://hdl.handle.net/1956/11844 https://doi.org/10.1002/2015ja021528 eng eng Wiley Mesoscale ionospheric plasma irregularities and scintillation over Svalbard http://onlinelibrary.wiley.com/doi/10.1002/2015JA021528/full Norges forskningsråd: 212014 Norges forskningsråd: 230935 Norges forskningsråd: 223252 urn:issn:2169-9402 https://hdl.handle.net/1956/11844 https://doi.org/10.1002/2015ja021528 cristin:1317381 Attribution CC BY-NC-ND http://creativecommons.org/licenses/by-nc-nd/4.0/ Copyright 2015 the authors Journal article 2016 ftunivbergen https://doi.org/10.1002/2015ja021528 2023-03-14T17:41:13Z We present two examples from the cusp ionosphere over Svalbard, where poleward moving auroral forms (PMAFs) are causing significant phase scintillation in signals from navigation satellites. The data were obtained using a combination of ground-based optical instruments and a newly installed multiconstellation navigation signal receiver at Longyearbyen. Both events affected signals from GPS and Global Navigation Satellite System (GLONASS). When one intense PMAF appeared, the signal from one GPS spacecraft also experienced a temporary loss of signal lock. Although several polar cap patches were also observed in the area as enhancements in total electron content, the most severe scintillation and loss of signal lock appear to be attributed to very intense PMAF activity. This shows that PMAFs are locations of strong ionospheric irregularities, which at times may cause more severe disturbances in the cusp ionosphere for navigation signals than polar cap patches. publishedVersion Article in Journal/Newspaper Longyearbyen Svalbard University of Bergen: Bergen Open Research Archive (BORA-UiB) Longyearbyen Svalbard Journal of Geophysical Research: Space Physics 120 10 9161 9175 |
institution |
Open Polar |
collection |
University of Bergen: Bergen Open Research Archive (BORA-UiB) |
op_collection_id |
ftunivbergen |
language |
English |
description |
We present two examples from the cusp ionosphere over Svalbard, where poleward moving auroral forms (PMAFs) are causing significant phase scintillation in signals from navigation satellites. The data were obtained using a combination of ground-based optical instruments and a newly installed multiconstellation navigation signal receiver at Longyearbyen. Both events affected signals from GPS and Global Navigation Satellite System (GLONASS). When one intense PMAF appeared, the signal from one GPS spacecraft also experienced a temporary loss of signal lock. Although several polar cap patches were also observed in the area as enhancements in total electron content, the most severe scintillation and loss of signal lock appear to be attributed to very intense PMAF activity. This shows that PMAFs are locations of strong ionospheric irregularities, which at times may cause more severe disturbances in the cusp ionosphere for navigation signals than polar cap patches. publishedVersion |
format |
Article in Journal/Newspaper |
author |
Oksavik, Kjellmar van der Meeren, Christer Lorentzen, Dag Arne Baddeley, Lisa Moen, Jøran Idar |
spellingShingle |
Oksavik, Kjellmar van der Meeren, Christer Lorentzen, Dag Arne Baddeley, Lisa Moen, Jøran Idar Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere |
author_facet |
Oksavik, Kjellmar van der Meeren, Christer Lorentzen, Dag Arne Baddeley, Lisa Moen, Jøran Idar |
author_sort |
Oksavik, Kjellmar |
title |
Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere |
title_short |
Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere |
title_full |
Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere |
title_fullStr |
Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere |
title_full_unstemmed |
Scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere |
title_sort |
scintillation and loss of signal lock from poleward moving auroral forms in the cusp ionosphere |
publisher |
Wiley |
publishDate |
2016 |
url |
https://hdl.handle.net/1956/11844 https://doi.org/10.1002/2015ja021528 |
geographic |
Longyearbyen Svalbard |
geographic_facet |
Longyearbyen Svalbard |
genre |
Longyearbyen Svalbard |
genre_facet |
Longyearbyen Svalbard |
op_relation |
Mesoscale ionospheric plasma irregularities and scintillation over Svalbard http://onlinelibrary.wiley.com/doi/10.1002/2015JA021528/full Norges forskningsråd: 212014 Norges forskningsråd: 230935 Norges forskningsråd: 223252 urn:issn:2169-9402 https://hdl.handle.net/1956/11844 https://doi.org/10.1002/2015ja021528 cristin:1317381 |
op_rights |
Attribution CC BY-NC-ND http://creativecommons.org/licenses/by-nc-nd/4.0/ Copyright 2015 the authors |
op_doi |
https://doi.org/10.1002/2015ja021528 |
container_title |
Journal of Geophysical Research: Space Physics |
container_volume |
120 |
container_issue |
10 |
container_start_page |
9161 |
op_container_end_page |
9175 |
_version_ |
1766064258700804096 |