On 7/15/2010 9:40 AM, Mark Gulbrandsen wrote: > ... There is no way AT&T would be 12.4 seconds off ... > I used to work in the cell infra business. While it's less true today, there are still a number of operators that do not sync system clocks. The time supplied to users can be **minutes** off.
Most newer operational standards can't tolerate this and "accurate" time (better than a ms) is important. WiMAX requires TDD base stations to base station alignment to be better than 1 microsecond. Most telecom operators want to avoid GPS at every site. It's a logistical PITA. -- mailto:[email protected] Oz POB 93167 Southlake, TX 76092 (Near DFW Airport) _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
