Thomas A. Frank wrote:
On Jul 16, 2010, at 4:08 AM, Peter Monta wrote:
Rex r...@sonic.net wrote:
I just eyeballed the minute turn-over but it was clearly within
about a second.
Well, apparently it is a phone issue and not a cell-tower issue.
Searching the support forums yields the
I have an iPod Touch. It's an iPhone without the cellular radio, the
camera, the GPS, or the compass, but it runs most of the same applications.
Emerald Time works fine on it.
As far as I can tell, Apple refuses to acknowledge any timing precision
finer than minutes in their user interface. It
Subject: Re: [time-nuts] Handy iPhone app
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Message-ID: 4c429a8b.7040...@sonic.net
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Thomas A. Frank wrote:
On Jul 16, 2010, at 4:08 AM, Peter Monta wrote
FWIW, my iphone is presently 15 seconds slow wrt Emerald (which
matches my GPS based clock as closely as my eye can judge).
Tom Frank, KA2CDK
On Jul 15, 2010, at 10:40 AM, Mark Gulbrandsen wrote:
Now if only Apple would allow Emerald Time to correct the i-
phone's internal clock we'd
On Jul 16, 2010, at 4:08 AM, Peter Monta wrote:
Rex r...@sonic.net wrote:
I just eyeballed the minute turn-over but it was clearly within
about a second.
Well, apparently it is a phone issue and not a cell-tower issue.
Searching the support forums yields the following trick: disable
the
li...@ozindfw.net said:
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
I'm in San Jose. (Same Bay you are talking about?) I am on ATT but I
have a Motoroloa Razr that's at least a couple years old.
I just checked the phone's displayed time vs the internet and also my
GPS receiver. I just eyeballed the minute turn-over but it was clearly
within about a second.
pmo...@gmail.com said:
It would be amusing to arrange for a long-term record of the offset of one's
phone (which can of course change across multiple providers during travel),
say by using a background process to take a sample every few hours against
NTP sources or against GPS if the phone
Rex r...@sonic.net wrote:
I just eyeballed the minute turn-over but it was clearly within
about a second.
Well, apparently it is a phone issue and not a cell-tower issue.
Searching the support forums yields the following trick: disable
the automatic time setting, set it manually to a grossly
In Tampa bay ATT is about 17 seconds off
--
Mike
On Jul 16, 2010, at 1:00, Peter Monta pmo...@gmail.com wrote:
Oz-in-DFW writes:
... There is no way ATT 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
On 7/16/2010 1:57 AM, Hal Murray wrote:
li...@ozindfw.net said:
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
On 7/16/2010 12:00 AM, Peter Monta wrote:
Here in the Bay Area, ATT/iPhone time has gotten noticeably worse
recently. The error used to be around 4 seconds; now it's 49 seconds (!).
Emerald Time is fine for interactive use, but what I find very impolite
is that ATT's bad timestamps are
Hi
Here in Carlisle PA the same check shows the iPhone 3G within a second.
That's running 3G, with no odd settings on the phone.
Bob
On Jul 16, 2010, at 3:06 AM, Rex wrote:
I'm in San Jose. (Same Bay you are talking about?) I am on ATT but I have a
Motoroloa Razr that's at least a couple
On 15/07/2010, Jim Palfreyman jim77...@gmail.com wrote:
Hi, just found a handy free iPhone app called Emerald Time. It uses
ntp and visually shows the time to within 100 msec. I've videod the
screen and compared it with a real clock and found the claim to be
accurate.
You know you can be
Now if only Apple would allow Emerald Time to correct the i-phone's internal
clock we'd actually have something. By using Emerald Time my i-phone's internal
clock has shown itself to be off by as much as 12.4 seconds. That no longer
qualifies as a usable clock to me. If I am out somewhere and
Hate to say it.
ATT is wrong and so are the rest of us.
Its Apple time on Apple stuff thats the standard.
You can have your own reference when you control a particular world.
On Thu, Jul 15, 2010 at 10:47 AM, Bob Bownes bow...@gmail.com wrote:
I put ntp on mine. :)
On Thu, Jul 15, 2010 at
On 7/15/2010 9:40 AM, Mark Gulbrandsen wrote:
... There is no way ATT 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**
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