Don’t let the comments about “positive lightning” and “gravity wave” cameras turn you off — in the world of meteorology, these terms seem to make sense (but I had to do some Googling). The New York Times article on this topic is very interesting:
http://www.nytimes.com/2014/09/30/science/on-the-hunt-for-a-sprite-on-a-midsummers-night.html?_r=0
Our book: “SolderSmoke — Global Adventures in Wireless Electronics” http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20
There’s also a PBS Video available about “SPRITES” entitled “NOVA: At the Edge of Space DVD: available at this link: http://www.shoppbs.org/product/index.jsp?productId=24977526&cp=2729315.2951546&view=all&parentPage=family It’s very interesting. 73 de WA2ONH Charlie