Might not be entirely legal, but available now… looks pretty cool and well made and the price is certainly right.
Readymade Pringles antenna for Don’t-DIYers.: “I’m going to get one of these readymade Pringle can antennas for $20. They look cool, too! What a great idea. [Update: Dave Sifry warns that if you buy and use a Cantenna, “you could get your door busted in by the FCC, as ubergeek Tim Pozar explains on the BAWUG list“]LinkDiscuss(Thanks, May!)” Source: Boing Boing