Rob <nom...@example.com> writes: >Unruh <unruh-s...@physics.ubc.ca> wrote: >> "Richard B. Gilbert" <rgilber...@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. >It seems there is some nonstandard stuff going around, e.g. my Nokia phone >can be configured to receive time from the network but it does not work. >Probably requires Nokia base stations. No it requires the network to send the time when requested. Eg, Rogers in Canada (GSM) does deliver the time but I have no idea what its accuracy is. _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions