Can someone be a *top* question asker ? Gus >=20 http://stackexchange.com/leagues/58/alltime/electronics/2010-09-29/3288#328= 8 Note that points rankings mostly have to do with willingness to spend time being useful. You have to know something, but preponderance of "rep" is not an absolute indicator of ability. Russell --=20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .