[NLRS] Link -- New phase-modulation WWVB signal

[Lloyd Berg N9LB]

I miss-typed that, obviously the UTC clock does not change to daylight 
savings time.  But they both drift around now.  The presence of the 
"Tower Logo" on the screen indicates they are receiving the WWVB signal, 
but obviously they are not able to lock correctly.


On Wed, Mar 13, 2013 at 8:53 AM, Lloyd Berg N9LB wrote:

> I have a pair of LaCrosse "Atomic Clocks" in my shack, one for UTC and 
> one for local time.
>
> They both missed the conversion to Standard Time last November and 
> again missed converting to DST last Sunday.   Also, in previous years, 
> they synchronously changed time each minute, until late last year when 
> they began free-running the displayed time, drifting up to two minutes 
> off of WWV standard time announcements.
>
> I thought they were just wearing out, but now I know what is going on.
>
> 73
>
> Lloyd - N9LB
>
>
>
> On Wed, Mar 13, 2013 at 8:15 AM, Duane - N9DG wrote:
>
>> According to the NIST website they have be transmitting this way 
>> since Oct 29, 2012. And they have been including two 30 minute 
>> periods per day where the PM modulation was turned off. Those 1/2 
>> hour periods are due to end on March 21.
>>
>> http://www.nist.gov/pml/div688/grp40/wwvb.cfm
>>
>> Duane
>> N9DG
>>
>>
>>
>> --- On Wed, 3/13/13, Chris Elmquist <chrise at pobox.com> wrote:
>>
>> From: Chris Elmquist <chrise at pobox.com>
>> Subject: Re: [NLRS] Link -- New phase-modulation WWVB signal
>> To: w0zq at aol.com
>> Cc: nlrs at mailman.qth.net
>> Date: Wednesday, March 13, 2013, 8:05 AM
>>
>>
>>
>> On Wednesday (03/13/2013 at 08:55AM -0400), w0zq at aol.com wrote:
>>>
>>>
>>>
>>> Ditto .... my kitchen clock is an "Atomic" clock and it has failed 
>>> to connect for the first time in several/many years.
>>
>> WWVB signal levels are much lower here in MN lately.  I have a 
>> receiver
>> with active probe antenna up on the tower that I monitor it with and 
>> it's
>> typically S5 to S7 on this receiver but in the past month it hasn't 
>> even
>> been moving the meter (at least when I've been looking at it).
>>
>> I have three WWVB clocks and two of them made the DST changeover 
>> correctly
>> last Sunday but one did not (and still has not).
>>
>> I think signal level, ambient noise and quality of receiver design 
>> all
>> conspire together to decide our fate here.
>>
>> Chris N0JCF
>>
>>
>>> -----Original Message-----
>>> From: tosca005 <tosca005 at umn.edu>
>>> To: Donn, WA2VOI <wa2voi at mninter.net>
>>> Cc: nlrs <nlrs at mailman.qth.net>; geraldj <geraldj at netins.net>
>>> Sent: Tue, Mar 12, 2013 9:30 pm
>>> Subject: Re: [NLRS] Link -- New phase-modulation WWVB signal
>>>
>>>
>>> Did they start testing this new modulation method already?
>>> Maybe it's just coincidence, but my wristwatch with a WWVB receiver 
>>> has ailed to connect to their transmitter since 03/07/13 after 5-7 
>>> years of egular operation. Naturally, they say that the new 
>>> modulation will not mpair the function of existing equipment, but 
>>> how certain is that?
>>> Or maybe it's just time to buy a new watch.
>>> W0JT/5
>>
>> ______________________________________________________________
>> NLRS mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/nlrs
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:NLRS at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> NLRS mailing list
> Home: http://mailman.qth.net/mailman/listinfo/nlrs
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:NLRS at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html