On 10/23/06, William Couture wrote: > > Could someone kindly describe what is being measured and how this > works? I'm not have much luck with Gargoyle... I think what you're describing is "four contact" or "Kelvin" connections -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist