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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
@@ Line 1: / Line 1: @@
 ====== 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
@@ Line 23: / Line 23: @@
 ===== 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
@@ Line 75: / Line 74: @@
 ===== 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
@@ Line 145: / Line 143: @@
 ===== 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|}}\\
@@ Line 170: / Line 167: @@
 ==== 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 Poland. BLIDS is a lightning information system in Germany. Figure
+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