Radiopejling: Forskelle mellem versioner
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Glenn (diskussion | bidrag) |
Glenn (diskussion | bidrag) + == Lavineredning == oversat fra https://en.wikipedia.org/w/index.php?title=Direction_finding&oldid=890576971#Avalanche_rescue |
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[[Fil:20070917-Piraeus-TB_AgiaVarvara.jpg|thumb|Bellini-tosi pejleantenne på toppen af masten af en [[slæbebåd]].]]
En enkel form for retningsbestemt antenne er en [[loop-antenne]].
== Lavineredning ==
[[Lavinebipper]]e benytter normalt 457 kHz og er designet til at hjælpe med at lokalisere personer eller udstyr begravet af laviner. Da lavinebipperens signal er domineret af [[nærfelt]]et er det dette som benyttes ved lokalisering.<ref>*{{cite journal
|author1 = J. Hereford
|author2 = B. Edgerly
|lastauthoramp = yes
|year = 2000
|title = 457 kHz Electromagnetism and the Future of Avalanche Transceivers
|journal = International Snow Science Workshop (ISSW 2000)
|volume =
|issue =
|url = http://www.backcountryaccess.com/images/documents/457andFuture_000.pdf
|format = – <sup>[https://scholar.google.co.uk/scholar?hl=en&lr=&q=intitle%3A457kHz+Electromagnetism+and+the+Future+of+Avalanche+Transceivers&as_publication=International+Snow+Science+Workshop+%28ISSW+2000%29&as_ylo=2000&as_yhi=2000&btnG=Search Scholar search]</sup>
|deadurl = yes
|archiveurl = https://web.archive.org/web/20110722082049/http://www.backcountryaccess.com/images/documents/457andFuture_000.pdf
|archivedate = July 22, 2011
|df =
}} </ref>
== Kilder/referencer ==
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