It is cheaper if you account for the fact that with a very high end
receiver you can obtain extremely accurate time, as though you had a low
end atomic clock yourself.

The phone network relies on these, and I imagine they are less expensive
than some previous methods used.

The signal varies less with weather than wwvb, and the GPS can auto
calculate the more exact time since it knows where the receiver is
located relative to each of the 4 or more atomic clocks that are
transmitting to it, and the speed of the transmission.

-Adam

Tony Pan wrote:

>>However the world has moved to using GPS to globally
>>distribute accurate time. It is just FARRRRR more reliable.
>>
>>
>
>Is it cheaper?
>
>Thanks,
>Tony
>
>
>

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu