Lightning Strike Certificate / Lightning Strike Data
Lightning Strike Certificate / Lightning Strike Data
Lightning Strike Certificate / Lightning Strike Data
Franklin Japan is the only company in Japan specializing in lightning observation, and we possess lightning observation data (time of lightning strikes, location, polarity, and current value) from the past 10 years. The lightning data from JLDN (National Lightning Detection Network) is temporally and spatially uniform, and this objective and detailed data cannot be obtained from public institutions. At Franklin Japan, we process this data into formats such as lightning strike certificates, reports, and statistical materials according to your requests, and provide it to you.
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basic information
◆Lightning Certificate We certify the occurrence (or non-occurrence) of lightning within the specified region and period designated by the customer. ◆Lightning Report We investigate the occurrence of lightning within the specified region and period designated by the customer and provide a lightning situation diagram and detailed lightning data. ◆Lightning Occurrence Investigation We will check for the presence or absence of lightning within the specified period and range. There are two types of investigations: "Lightning Occurrence Date Investigation" and "Lightning Occurrence Time Investigation," which are conducted on a daily and hourly basis, respectively. ◆Lightning Density (Days) Map We divide the specified region into a mesh and calculate the number of lightning occurrences (days) within the specified period for each mesh, presenting it in a color-coded mesh diagram with five levels. This shows areas with a high number of lightning occurrences (days). It is used for site selection and preliminary surveys when constructing large buildings and civil engineering facilities. ◆Lightning Current Value Histogram We present the frequency distribution of lightning current values that occurred within a specified period in the designated region as a histogram. This reveals electrical trends such as polarity bias and the magnitude of average current values.
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Company information
Franklin Japan has been operating the Japan Lightning Detection Network (JLDN), the first and only nationwide lightning observation network in Japan, since October 1998. JLDN networks sensors installed across the country and utilizes accurate time information sent from GPS to observe the location, time, and current value of lightning strikes. The observation accuracy of JLDN boasts a capture rate of over 90% within its coverage area, with a location error of less than 500 meters, making it arguably the best lightning observation network in the world currently available. The observed lightning strike data is utilized in real-time for power management in factories, maintenance of networks, and protection of human life in outdoor sports.
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