Boy I think wwv has been doing that for 30 years+. I remember trying to decode it with discreet chips ages ago. It was a mess due to propagation and noise. I have seen programs that will indeed decode it using the sound blaster you have to luv the SB cards.
On Sun, Dec 20, 2009 at 7:34 AM, Tom Van Baak <[email protected]> wrote: > When did WWV start sending the data on 100 Hz? >> >> I was playing with a WWV simulator the other day, and was surprised to >> hear it. >> >> I remember listening to WWV when I was a kid. That was back in the '50s. >> I don't remember hearing the 100 Hz blips. Of course, I could have been >> using gear that didn't have much of a response at 100 Hz. >> > > Hal, > > Your ears are correct; the 100 Hz code began in 1960. See: > http://tf.boulder.nist.gov/general/pdf/1670.pdf > http://tf.boulder.nist.gov/general/pdf/1681.pdf > http://tf.nist.gov/stations/wwvhistory.htm > http://tf.boulder.nist.gov/general/pdf/1731.pdf > > /tvb > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
