[time-nuts] Re; New Wrist watch

David McGaw n1hac at Alum.Dartmouth.ORG
Tue Sep 11 15:58:38 UTC 2012


Curious.  Civil time is based on UTC, not GPS.  Shouldn't the "smart" 
phones account for the difference from GPS time?  We have the technology.

BTW, my Verizon CDMA "dumb" phone is currently only 1 second ahead, NOT 
16 secs.

David


On 9/11/12 11:48 AM, James Tucker wrote:
> On Mon, Sep 10, 2012 at 5:50 PM, Mike S <mikes at flatsurface.com> wrote:
>> On 9/10/2012 6:36 PM, Bob Smither wrote:
>>>
>>> May not be redundant for time nuts! I have an NTP client on my Android and
>>> it
>>> shows the network time (Sprint in my case) is often as much as 2 seconds
>>> behind UTC.
>>
>> So that makes it, what, 21 seconds off? It should be 19 seconds ahead of
>> UTC, since Sprint has a CDMA network, which works on GPS time.
>>
>> It's likely you have multiple processes trying to pull the clock in
>> different directions. Left alone, Android devices sync to network time,
>> which is GPS, not UTC, in many cases. It's a bug, IMHO, but that's the way
>> it is.
>>
>>
>>
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> Interesting... I have two different phones (Mot. 'Droid, and Samsung
> Galaxy Nexus) which each use a different source for time, in spite of
> the fact that they are on the same carrier.  The 'Droid uses UTC, the
> Nexus uses GPS (yes, they are (now) 16 seconds apart).
>       JimT
>
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