- Sections and slides rewritten in Swedish; German law and institutions replaced by Swedish/CEPT/ITU equivalents (PTS, SSA, PTSFS 2025:1, SSMFS 2008:18), unverified statements marked "% TODO VERIFY" - New toc: INSTEG, HAREC, UPPGRADERING; section idents are Swedish (see ident-map.tsv) - Exam-question tags, BNetzA question pool, solutions and the German SWL course removed - Static pages, snippets, applets, READMEs and image alt-texts translated - TikZ labels translated; SVG drawings regenerated (drawing 689 still fails to build upstream: it references a missing photo) - Changed from the original: not endorsed by DARC e.V., SSA or PTS Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
11 lines
390 B
Markdown
11 lines
390 B
Markdown
* Solutbrott med plasma-flares joniserar D-skiktet
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* Hög dämpning av himmelsvågen upp till $\qty{300}{\mega\hertz}$
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* Totalt bortfall av himmelsvågen i några minuter upp till timmar kan förekomma
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* Kan bara uppträda på dagen
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* Särskilt kraftig vid solfläcksmaximum
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<note>
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* Hans Mögel beskrev effekten 1930 i Tyskland
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* John Howard Dellinger beskrev effekten 1935 i USA
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</note>
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