>=20 >=20 >=20 > On Dec 1, 2010, at 3:20 PM, Dave Tweed wrote: >=20 > I have a client who wants to do some experiments involving deliberate ant= enna > motion in a GPS-based system. He's done some simulations and likes what h= e > sees, so now it's my job to set up an actual prototype so we can see how = well > it works in practice. > -snip- > -- Dave Tweed For what period of time do you want to do the experiments ? Renting a linear track that will do 300 mm of travel may be an option.... Or is this a permanent installation ? Gus in Colorado --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .