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    Re: Time and cel nav, a stupid question
    From: Richard B. Langley
    Date: 2008 Apr 23, 12:31 -0300

    There is no Canadian LF time signal broadcast akin to WWVB. Only shortwave. So
    no Canadian "atomic clocks." The WWVB signal here in New Brunswick is weak
    but usable.
    -- Richard Langley
    On Wed, 23 Apr 2008, Fred Hebard wrote:
    >In New England, the Canadian time broadcast is usually clearer.
    >Maybe order your clock from Canada?
    >On Apr 23, 2008, at 8:59 AM, Marc Bernstein wrote:
    >> Radio-controlled clock and watch updates are very much dependent
    >> upon the time of the day and where you are. In NY and New England
    >> it is hit or miss from day to day. NIST has a nice set of coverage
    >> maps here:
    >> http://tf.nist.gov/stations/wwvbcoverage.htm
    >> On Wed, Apr 23, 2008 at 3:14 AM, Bill 
    >> wrote:
    >> Lu Abel wrote
    >> > Wait, I forgot that I also have one of those digital clocks that
    >> > synchronizes itself to the low-frequency time signal broadcast by
    >> WWVB.
    >> > It appears to be between 0.3 and 0.5 seconds slow as compared to the
    >> > www.time.gov display on my computer.   On the other hand,
    >> considering
    >> > that it cost me all of $6, I have to wonder whether its time
    >> display is
    >> > more or less accurate.
    >> I have a unit marketed under the Sharp brand that I picked at Wal
    >> Mart. More
    >> than $6 dollars.  It claims to poll once a day, about 1 am local
    >> time.  It
    >> has failed to make an automatic connection for over two years.
    >> Positioned
    >> as directed, and manually triggered at the recommended time as well
    >> as other
    >> times, it has made a connection twice in over 500 tries.
    >> A sailing acquaintance with more money than common sense (center
    >> cockpit 42'
    >> sailboat) has a wristwatch that cost several hundreds dollars and
    >> claims to
    >> poll the clock six times a day.  He is not sure how well it
    >> functions as the
    >> plastic band it came with broke the first month and he has not
    >> bothered to
    >> replace the watch band.
    >> For what it is worth.
    >> Thanks
    >> Bill
    >> >
     Richard B. Langley                            E-mail: lang@unb.ca
     Geodetic Research Laboratory                  Web: http://www.unb.ca/GGE/
     Dept. of Geodesy and Geomatics Engineering    Phone:    +1 506 453-5142
     University of New Brunswick                   Fax:      +1 506 453-4943
     Fredericton, N.B., Canada  E3B 5A3
         Fredericton?  Where's that?  See: http://www.city.fredericton.nb.ca/
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