Michael, AA1TJ, alerted me to this very interesting hobby. The video is really beautiful.
http://floatdocumentary.com/documentary
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