A little while back there was a discussion about some of the issues using the PSIP data from digital TV broadcasts as a time source... it's not a good idea. Here is some data of why not: http://home.earthlink.net/~schultdw/atsc/tdata/index.html And when daylight savings time gets thrown into the mix: http://home.earthlink.net/~schultdw/atsc/dst_data/index.html _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.