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It turns out my AT&T iPhone is slow as well!



On Apr 22, 2008, at 5:07 PM, Fred Hebard  wrote:

>
> Dan,
>
> The Mac is fine.  It's the AT&T cell phone that's slow!
>
> Fred
>
> On Apr 22, 2008, at 6:52 PM, Dan Allen wrote:
>
>>
>>
>> On 22 Apr 2008, at 4:26 PM, Fred Hebard wrote:
>>
>>> On a Mac, using time.apple.com.  Just synced, and still about 50
>>> seconds slow.
>>
>> That's very unusual.  I sync lots of Macs to time.apple.com and I am
>> never off more than 10 or 20 milliseconds, according to the Mac
>> Terminal command
>>
>>     ntpq -c peers
>>
>> which shows details of NTP servers and times.  I have tweaked my /
>> etc/
>> ntp.conf file so that I can query several different servers and NTP
>> figures everything out.
>>
>> Here is a sample output of the ntpq -c peers command on my main Mac:
>>
>> ---
>>
>>      remote           refid      st t when poll reach   delay
>> offset  jitter
>> =
>> =
>> =
>> =
>> =
>> =
>> ===
>> ===================================================================
>> ==
>> *clock.xmission. .GPS.            1 u  614 1024  377   24.369
>> -8.786   6.633
>> -time1.apple.com 17.106.100.13    2 u   19  256  377   38.468
>> -5.278  34.007
>> +time-b.nist.gov .ACTS.           1 u  419  256  376   88.355
>> 8.279  27.296
>> +tick.usno.navy. .USNO.           1 u  255  256  377   97.773
>> 10.332  19.811
>>
>> ---
>>
>> It shows four different servers that I am checking in with.  The
>> offset column is in ms and shows how far from those servers my
>> machine
>> is.  The delay column shows the distance in ms to these servers.  The
>> jitter column combines errors in propagation along with absolute time
>> errors to come up with an overall error figure, also in ms.
>>
>> Dan
>>
>>
>>>
>
>
>
> >
>

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