[ntp:questions] .1 Microsecond Synchronization
unruh-spam at physics.ubc.ca
Sat Jun 6 02:53:50 UTC 2009
"Richard B. Gilbert" <rgilbert88 at comcast.net> writes:
>> "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.
>Being a citizen of, and resident in, the U.S.A. I tend to supply answers
> relevant to the U.S.A. AFAIK, Harlan is also a citizen and resident.
>As I mentioned, there ARE other technologies. Technologies ofter than
>CDMA are used both here and abroad. Verizon Wireless is one of the
>largest service providers here and they use CDMA.
But since the OP about whom this whole thread is all about seems to be with a worldwide company,
the answer may be less relevant for him.
>So far, my CDMA phones have been able to make and receive calls
>everywhere I've been since I bought my first digital phone.
I guess you don't travel much.
>FWIW, I believe that Japan and Korea also use CDMA.
Different frequencies etc. I believe. I think neither US nor European phones word there.
But I have never been there to try.
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