[ntp:questions] .1 Microsecond Synchronization
Richard B. Gilbert
rgilbert88 at comcast.net
Sat Jun 6 01:16:29 UTC 2009
> Unruh <unruh-spam at physics.ubc.ca> wrote:
>> "Richard B. Gilbert" <rgilbert88 at comcast.net> writes:
>>> Harlan Stenn wrote:
>>>> The time on my cellphone is routinely more than 3 seconds off of GPS time.
>>> Is your cell phone "CDMA"? Other technologies, there are several, may
>>> not require the precise timing that CDMA does!
>> It will be hard for them to get CDMA in London, or Paris, or in fact anywhere in the world except
>> N America.
> It has always amazed me that in an all-digital system like GSM there is
> no standard way to communicate wallclock time from the network to the
> handhelds. Even a once-per-hour time transmission that would sync the
> freerunning clock in the phone would be fine for most users.
I tend to rely on my wrist watch for time rather than my cell phone.
Also, I think most people buy cell phones to use as phones and would
never miss having the correct time on the phone.
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