Russell McMahon gmail.com> writes: > Drop a suitably wingy glider at apogee with a 10:1 glide ratio and you > start to go places. Already done in 2005: http://members.shaw.ca/sonde/index.htm -- Peter -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist