Unruh <unruh-s...@physics.ubc.ca> wrote: > 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.
How dumb... something like time-of-day should be broadcast just like cell broadcast and everyone would be able to receive it without any requesting. Still I think I have read it is manufacturer specific. Rogers may be using Nokia equipment in their network. _______________________________________________ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions
