Had great succcess with this http://www.galsys.co.uk/galmodul.htm HTH ----- Original Message ----- From: "Michael C. Reid" To: Sent: 13 June 2001 01:44 Subject: [BUY] Atomic Clock Receiver > I tracked down a company a few months ago that make 2 different chips for > receiving the atomic clock pulses. I am sending this before I find them > again. I sent an email to the site below requesting help. The company that > makes the chips does not seem to be in any search engine on the internet. > The atomic clock manufacturers all use chips from this company. > > > Here is the government site for the atomic clock in Colorado. The system > was upgraded a few years ago so that within 2000 mile of the site you can > receive the signals. Germany has its own version, as does England and > Japan. The data sheet shows the timing pulses for each country. The data > sheet shows how to use a ferrite bead tuned to 60khz, the tranmission > frequency. The chip decodes the signal to interface it into a > microprocessor. > > I was thinking that someone needs to design an atomic clock to RS-232 module > for the home automation industry. I am in the lighting control industry and > most home automation systems have very poor accuracy with their internal > clocks. This would be a great add on! Well, there is an idea for someone > with more time on their hands than me! > > Maybe someone out there can track down the manufacture. I am also going to > look for the data sheet they sent me! > > Mike Reid > > http://www.boulder.nist.gov/timefreq/index.html > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics > > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.