In a message dated 96-08-04 03:48:47 EDT, you write: << Don't you have a radio station that send a signal to a clock. About a year or so we are using radiocontrolled clocks. You never have to worry about the real time. There are also a few radiostations in the shortwave band that singnals time pulses every hour I thought on 10.000 and 15.000 Mhz greetings Marc -- >> -----