In message <[EMAIL PROTECTED]>, "Tom Van Baak" writes: >> The majority of such clocks only run the receiver for some part of >> the day to save power. >> >> One particular kind I examined ran the receiver until it had sync, >> then powered the receiver down for 23 hours and repeated the cycle. > >Yes, but the LS bit stays lit for the entire month (at >least for WWVB) so the RC clock has plenty of notice >to insert a leap second at the end of the month if it >wanted to, regardless of reception quality the day >of the leap second. > >Unfortunately, this is not the case with the DST bits. >Users routinely complain that WWVB RC clocks do >not handle DST correctly. This is because there is >less than one day advance notice of a DST change.
DCF77 lights the bit for only one hour prior to the leap-second :-( -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
