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en:detection:lightning-discharge [2018/08/13 06:21]
gerbold [The Blitzortung.org network]
en:detection:lightning-discharge [2018/08/18 06:19] (current)
gerbold
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 ====== Lightning discharge ====== ====== Lightning discharge ======
-original source((Documentation System RED, chapter 3.1[[http://​en.blitzortung.org/​Compendium/​Documentations/​Documentation_2014-05-11_Red_PCB_10.4_PCB_12.3_PCB_13.1_PCB_14.1.pdf|Documentation System ​Red]]))+original source(([[http://​en.blitzortung.org/​Compendium/​Documentations/​Documentation_2014-05-11_Red_PCB_10.4_PCB_12.3_PCB_13.1_PCB_14.1.pdf|Documentation System ​RED]], chapter 3.1))
  
 How lightning initially forms is still a matter of debate((H.D. Betz, U. Schumann, and P. Laroche (Eds.) Lightning: Principles, Instruments and Applications. Springer Verlag, 2009.)). Scientists have studied root causes How lightning initially forms is still a matter of debate((H.D. Betz, U. Schumann, and P. Laroche (Eds.) Lightning: Principles, Instruments and Applications. Springer Verlag, 2009.)). Scientists have studied root causes
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 ===== Receiving a lightning signal ===== ===== Receiving a lightning signal =====
-original source((Documentation System RED, chapter 3.2[[http://​en.blitzortung.org/​Compendium/​Documentations/​Documentation_2014-05-11_Red_PCB_10.4_PCB_12.3_PCB_13.1_PCB_14.1.pdf|Documentation System Red]])) 
  
 Waves with a frequency between 3 kHz and 30 kHz have a length between 100 km and 10 km. A Waves with a frequency between 3 kHz and 30 kHz have a length between 100 km and 10 km. A
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 ===== Time-of-Arrival method ===== ===== Time-of-Arrival method =====
-original source((Documentation System RED, chapter 3.3[[http://​en.blitzortung.org/​Compendium/​Documentations/​Documentation_2014-05-11_Red_PCB_10.4_PCB_12.3_PCB_13.1_PCB_14.1.pdf|Documentation System Red]])) 
  
 The TOA lightning location technique is based on the computations of hyperbolic curves. The emitted The TOA lightning location technique is based on the computations of hyperbolic curves. The emitted
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 ===== The Blitzortung.org network ===== ===== The Blitzortung.org network =====
-original source((Documentation System RED, chapter 3.4[[http://​en.blitzortung.org/​Compendium/​Documentations/​Documentation_2014-05-11_Red_PCB_10.4_PCB_12.3_PCB_13.1_PCB_14.1.pdf|Documentation System Red]])) 
  
 {{:​en:​detection:​lightning.jpg?​400|}}\\ {{:​en:​detection:​lightning.jpg?​400|}}\\
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 ==== Accuracy ==== ==== Accuracy ====
  
-FIXME insert chapter 3.4.1 of [[http://​en.blitzortung.org/​Compendium/​Documentations/​Documentation_2014-05-11_Red_PCB_10.4_PCB_12.3_PCB_13.1_PCB_14.1.pdf|Documentation System Red]]+Figure 11, 12, and 13 show a comparison ​of the positions computed by Blitzortung.org and "​BLIDS"​¬†
 +over Germany, Belgium, and PolandBLIDS is a lightning information system in GermanyFigure¬†
 +14 shows the used color code for the age of the discharges.
  
 +{{:​en:​detection:​blids1.jpg?​400|}}\\
 +Figure 11: A comparison of the positions computed by blitzortung.org (the white framed colored squares) and BLIDS (the colored squares) in Germany
 +
 +{{:​en:​detection:​blids2.jpg?​400|}}\\
 +Figure 12: A comparison of the positions computed by blitzortung.org (the white framed colored squares) and BLIDS (the colored squares) over Belgium, the Netherlands,​ and Luxembourg
 +
 +{{:​en:​detection:​blids3.jpg?​400|}}\\
 +Figure 13: A comparison of the positions computed by blitzortung.org (the white framed colored
 +squares) and BLIDS (the colored squares) over Poland
 +
 +| {{:​en:​detection:​blids_magenta.png?​40|}} | {{:​en:​detection:​blids_purple.png?​40|}} | {{:​en:​detection:​blids_blue.png?​40|}} | {{:​en:​detection:​blids_turquoise.png?​40|}} | {{:​en:​detection:​blids_green.png?​40|}} | {{:​en:​detection:​blids_yellow.png?​40|}} | {{:​en:​detection:​blids_orange.png?​40|}} | {{:​en:​detection:​blids_red.png?​40|}} |
 +| 120 - 105 | 105 - 90 | 90 - 75 | 75 - 60 | 60 - 45 | 45 - 30 | 30 - 15 | 15 - 0 |\\
 +Figure 14: The BLIDS color code for the age of the lightning discharges in minutes