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total: 69
Search results for: TID
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En face: Kunsthistorisk tidskrift
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Geografisk Tidsskrift-Danish Journal of Geography
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Nordisk tidsskrift for utdanning og praksis
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Spring: Tidskrift for moderne dansk litteratur
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Passage: Tidskrift for litteratur og kritik
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Scandia: Tidskrift för historisk forskning
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Norsk Geografisk Tidsskrift-Norwegian Journal of Geography
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Bogens verden: Tidskrift for litteratur og kultur
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Fortid og nutid: Tidsskrift for kultur og lokalhistorie
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Språk och stil: Tidskrift för svensk språkforskning
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Studia anthroponymica Scandinavica. Tidskrift för nordisk personnamnsforskning
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Kulturella Perspektiv (Perspectives on Cultural Studies) - Svensk etnologisk tidskrift
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Barnboken - tidskrift för barnlitteraturforskning (Barnboken - journal on children's literature research
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Allelic length of a CA dinucleotide repeat in theegfr gene correlates with the frequency of amplifications of this sequence—first results of an inter-ethnic breast cancer study
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Utbildning & Demokrati-tidskrift för didaktik och utbildningspolitik [Education & Democracy-journal for didactics and educational policy
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A new index for statistical analyses and prediction of travelling ionospheric disturbances
PublicationTravelling Ionospheric Disturbances (TIDs) are signatures of atmospheric gravity waves (AGWs) observed in changes in the electron density. The analysis of TIDs is relevant for studying coupling processes in the thermosphere–ionosphere system. A new TID index is introduced, which is based on an easy extension of the commonly used approach for TID detection. This TID activity index, which can be applied for individual Global Navigation...
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Efficient Usage of Dense GNSS Networks in Central Europe for the Visualization and Investigation of Ionospheric TEC Variations
PublicationThe technique of the orthogonal projection of ionosphere electronic content variations for mapping total electron content (TEC) allows us to visualize ionospheric irregularities. For the reconstruction of global ionospheric characteristics, numerous global navigation satellite system (GNSS) receivers located in different regions of the Earth are used as sensors. We used dense GNSS networks in central Europe to detect and investigate...
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Degradation of Kinematic PPP of GNSS Stations in Central Europe Caused by Medium-Scale Traveling Ionospheric Disturbances During the St. Patrick’s Day 2015 Geomagnetic Storm
PublicationIn solar cycle 24, the strongest geomagnetic storm took place on March 17, 2015, when the geomagnetic activity index was as high as -223 nT. To verify the impact that the storm had on the Global Navigation Satellite System (GNSS)’s positioning accuracy and precision, we used 30-s observations from 15 reference stations located in Central Europe. For each of them, we applied kinematic precise point positioning (PPP) using gLAB software...
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Elective surgery system strengthening: development, measurement, and validation of the surgical preparedness index across 1632 hospitals in 119 countries
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