[time-nuts] WWVB

[Tom Miller]

Just for another data point. I have a new LaCrosse digital clock that uses 
the 60kHz WWVB signal to keep time. It is the model WT-8005U-B, shown here. 
http://www.lacrossetechnology.com/8005b/index.php  It has at least three 
times in the last two months jumped time. Twice by an hour and once by 6 
hours. It corrects after midnight.

Not very reliable if you ask me.

Regards,
Tom




----- Original Message ----- 
From: "paul swed" <paulswedb at gmail.com>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Friday, February 22, 2013 6:01 PM
Subject: Re: [time-nuts] WWVB


Donald from what I have been seeing they are consistent. But there is a 1
hour period up around 1 or 2 pm est that they go back to the old modulation
and that allows time clocks to lock. At least thats what the spectracom
8170 does. Then it says its locked for a very long time even though it
isn't.
Regards
Paul
WB8TSL

On Fri, Feb 22, 2013 at 3:35 PM, Donald Henderickx
<wa9ylp at sandprairie.net>wrote:

> Is wwvb consistent in the testing of there modulation scheme?I find that
> My Spectracom 8182  will stay in time sync for several days,and then loose
> it for five or six hours. Is any one else experiencing this?
> I am thinking of trying my kinemetrics/truetime 60-TF to see if it might
> function.
> Don Henderickx
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