{"id":168,"date":"2011-05-24T18:38:02","date_gmt":"2011-05-24T18:38:02","guid":{"rendered":"http:\/\/oh6hgn.net\/oh6hgnblogi\/?p=168"},"modified":"2011-05-24T18:38:02","modified_gmt":"2011-05-24T18:38:02","slug":"blitzortung-org-salamanpaikannus-projekti","status":"publish","type":"post","link":"http:\/\/oh6hgn.net\/oh6hgnblogi\/blitzortung-org-salamanpaikannus-projekti\/","title":{"rendered":"Blitzortung.org ”Salamanpaikannus projekti”"},"content":{"rendered":"

Blitzortung.org on sivusto jossa on mielenkiintoinen projekti halpaan salamanpaikannukseen. Yksinkertaisesti se on sellainen jossa serveri ker\u00e4\u00e4 jokaiselta joka on liittynyt ja rakentanut salama vastaanottimen tiedot ja muodostaa niist\u00e4 kartalle pisteet. Mi\u00e4 enemm\u00e4n on vastaanottimia sit\u00e4 tarkempi on systeemi. Paketti sis\u00e4lt\u00e4\u00e4 tarkan paikkakoodin GPS mokkulan kautta ja my\u00f6s ajan sek\u00e4 salaman ly\u00f6nnin. Tiedot l\u00e4hetet\u00e4\u00e4n serverille jossa lasketaan muilta tulevat tiedot ja siten muodostetaan ly\u00f6nti kohta n\u00e4iden tietojen pohjalta. Hieman karkeaa selityst\u00e4 t\u00e4m\u00e4 on.<\/p>\n

Laite on tavallaan vastaanotin VLF alueelle. Sille rakennetaan my\u00f6s ihan oma antenni ja sille on eri variaatoita. Salaman impulsi on noin 10 khz taajuudella joten t\u00e4rke\u00e4\u00e4 ett\u00e4 antenni on vireess\u00e4 siell\u00e4. Antennin lis\u00e4ksi tulee VLF esivahvistin jossa saadaan singaalit vahvistettua ja my\u00f6s suodatettua tiettyj\u00e4 taajuuksia pois. Siit\u00e4 sitten vied\u00e4\u00e4n tasot emokortille jossa kytket\u00e4\u00e4n lis\u00e4ksi GPS ja PC yhteen. Tiedot l\u00e4hetet\u00e4\u00e4n PC:lle ja joka l\u00e4hett\u00e4\u00e4 RL ohjelman kautta raaka datan serverille.<\/p>\n

 <\/p>\n

Olemme tekem\u00e4ss\u00e4 kimppatilausta korteista ja muutamista GPS mokkuloista. Kimppatilauksesta infoa on t\u00e4\u00e4l\u00e4.<\/a> Lis\u00e4\u00e4 itse projektista l\u00f6ytyy t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Blitzortung.org on sivusto jossa on mielenkiintoinen projekti halpaan salamanpaikannukseen. Yksinkertaisesti se on sellainen jossa serveri ker\u00e4\u00e4 jokaiselta joka on liittynyt ja rakentanut salama vastaanottimen tiedot ja muodostaa niist\u00e4 kartalle pisteet. Mi\u00e4 enemm\u00e4n on vastaanottimia sit\u00e4 tarkempi on systeemi. Paketti sis\u00e4lt\u00e4\u00e4 tarkan paikkakoodin GPS mokkulan kautta ja my\u00f6s ajan sek\u00e4 salaman ly\u00f6nnin. Tiedot l\u00e4hetet\u00e4\u00e4n serverille jossa … Lue lis\u00e4\u00e4<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,11],"tags":[],"yoast_head":"\nBlitzortung.org "Salamanpaikannus projekti" ~ oh6hgn.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/oh6hgn.net\/oh6hgnblogi\/blitzortung-org-salamanpaikannus-projekti\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blitzortung.org "Salamanpaikannus projekti" ~ oh6hgn.net\" \/>\n<meta property=\"og:description\" content=\"Blitzortung.org on sivusto jossa on mielenkiintoinen projekti halpaan salamanpaikannukseen. Yksinkertaisesti se on sellainen jossa serveri ker\u00e4\u00e4 jokaiselta joka on liittynyt ja rakentanut salama vastaanottimen tiedot ja muodostaa niist\u00e4 kartalle pisteet. Mi\u00e4 enemm\u00e4n on vastaanottimia sit\u00e4 tarkempi on systeemi. Paketti sis\u00e4lt\u00e4\u00e4 tarkan paikkakoodin GPS mokkulan kautta ja my\u00f6s ajan sek\u00e4 salaman ly\u00f6nnin. Tiedot l\u00e4hetet\u00e4\u00e4n serverille jossa ... 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