From: "Alan Pearce" > effective to have a separate dedicated clock chip you could read, or have a > radio locked receiver listening to one of the 60khz time stations. Does anyone > know where I can get info on the UK Rugby 60khz time transmissions used by the > so called radio clocks? Yes, there's a PDF with the full format at http://www.npl.co.uk/npl/ctm/msf.html. The link is about halfway down the page. Cheers Andy. .