[time-nuts] UltrAtomic clock.

David G. McGaw david.g.mcgaw at dartmouth.edu
Sun Nov 5 20:47:56 EST 2017


We have a number of the UltrAtomic clocks in our Physics classrooms at 
Dartmouth in NH because they are in well shielded, interior rooms and a 
noisy environment.  Lesser clocks do not sync.  They all switched properly.

Perhaps of interest, I was able to receive the new code reliably with an 
evaluation receiver in Kangerlussuaq, Greenland last spring.

David N1HAC


On 11/5/17 11:36 AM, Mike Garvey wrote:
> My Ultratomic properly made the transition back to std time this morning.  I am in the Boston area.
> Mike
>
> -----Original Message-----
> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Bob kb8tq
> Sent: Sunday, November 05, 2017 10:49
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] UltrAtomic clock.
>
> Hi
>
> All of the ones here (a fairly large sample :) ) seem to have changed “on time”.
> I’m in Pennsylvania so not exactly close to WWVB. They are various brands and various ages. None of them (yet) are the fancy new ones that do the “improved”
> modulation.
>
> Bob
>
>> On Nov 5, 2017, at 9:23 AM, Dan Kemppainen <dan at irtelemetrics.com> wrote:
>>
>> Hi all,
>>
>> So, anyone notice what time their UltrAtomic clock did the dst change?
>>
>> Mine didn't change last night. Time has been right since it first set
>> itself, so, I'm suspecting it's getting signal. ( We're in northern
>> Michigan, eastern time zone.)
>>
>> Anyone else have a clock that missed dst change?
>>
>> Dan
>>
>>
>> --
>> Sent from my phone.
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