Jim, K1KJW, and others alerted me to this very cool move by the inventive minds at JPL. They put a Morse Code pattern in the tire treads of the Curiosity rover. So now as it drives around, it spells out JPL in the Martian regolith.
http://www.nasa.gov/mission_pages/msl/news/msl20120829f.html
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
FS: ART-13
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Tested a few years ago at K3HVG's QTH and it worked fine! Unused since
then.
Pickup Only. Sold as is. $350 OBO
Can deliver to the York PA Hamfest on ...
3 hours ago