If you actually watched it before commenting, you would know that he did, i= n fact, use a Rubidium counter. Allen > configurations and not measuring "gravity" at all. I think that mr eevblo= g > should have mentioned the need to use at least a Rubidium clock as counte= r > reference when doing what he did. He must have started some new movement > among the masses with that blog (which I did not watch). All clocks and --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .