In CDMA, the time that you see displayed on your phone is a data
service, not necessarily related to the GPS timebase directly pulled
from the TDM layer.  

-----Original Message-----
From: questions-bounces+gdowd=symmetricom....@lists.ntp.org
[mailto:questions-bounces+gdowd=symmetricom....@lists.ntp.org] On Behalf
Of Harlan Stenn
Sent: Friday, June 05, 2009 11:21 AM
To: questions@lists.ntp.org
Subject: Re: [ntp:questions] .1 Microsecond Synchronization

>>> In article <6iedneqxg8zez7xxnz2dnuvz_redn...@giganews.com>, "Richard
B. Gilbert" <rgilber...@comcast.net> writes:

Richard> Harlan Stenn wrote:
>> The time on my cellphone is routinely more than 3 seconds off of GPS
>> time.

Richard> Is your cell phone "CDMA"?  Other technologies, there are
several,
Richard> may not require the precise timing that CDMA does!

Good point.  It's a north-american cell phone, and I suspect using it to
try
and "validate" what might be CDMA time is perhaps not a valid thing to
do.
-- 
Harlan Stenn <st...@ntp.org>
http://ntpforum.isc.org  - be a member!

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