On Tuesday 23 May 2006 17:25, Phil Kane wrote: > A device that can plug into a computer USB port and read out > the computer UTC time (RTC) in large digits. Phil, Have you investigated GPS clocks? Google comes up with lots. http://www.google.com/search?hl=en&ie=ISO-8859-1&q=gps+clock&btnG=Google+Search Ian, G4ICV, AB2GR --