Hi Bill:
My bad.
2 am is when the bars close. Any change prior to then would be a problem.
After 2 pm there's not many who care.
Have Fun,
Brooke Clarke
http://www.prc68.com
Bill Hawkins wrote:
Um, the time change takes place at 2 AM in the USA, springing ahead to
3 AM or falling back to 1 AM. This avoids repeating the date in the fall.
Surely, other cultures don't do it differently, do they? ;-)
Bill Hawkins
It's widely true that the time of minimum human activity is 4:30 AM.
Why not do it then?
-----Original Message-----
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Brooke Clarke
Sent: Monday, November 02, 2009 9:50 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] WWV Clock
Hi Mike:
Note that the way a clock checks to see of it has received the data
correctly
is to compare two adjacent frames and check to see that they differ by one
minute.
If the clock was smart it would start to listen a few minutes prior to
midnight
and would recognize that there was going to be a DST change at midnight.
If the clock started at what it thought was midnight, but it was running a
second slow then it would miss the first frame, but the next minute it would
get the "new" frame and switch to/from DST.
I think your clock is just not receiving a good enough signal. The key may
be
you need to mount the clock on a wall that's 90 degrees from where it is
now.
That's the problem I had with an atomic clock, i.e. the loopstick antenna
has
deep nulls and if you point the null at the transmitter . . . See:
http://www.prc68.com/I/Shadow-Clock.shtml#WT5360U
I like the projection clock in my bedroom. No glasses, no light needed to
tell
the time.
Have Fun,
Brooke Clarke
http://www.prc68.com
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