[ntp:questions] WiFi & NTP.

Dennis Hilberg Jr dont at spam.me
Wed Aug 29 16:18:06 UTC 2007


Jason Rabel wrote:
>> I am a student from a French engineering school. I am currently
>> working on a synchronization over WiFi project that could apply to
>> embedded devices.
>>
>> For the moment, I have only reached a precision of 5 ms.
>>
>> (Whereas I get a precision of a few hundreds of microseconds with an
>> Ethernet connection.)
> 
> 5 ms is pretty darn good especially over wifi. What number are you using for
> your 'precision'? There is no way you can get µs precision over Ethernet,
> you must be reading something wrong.

I have a machine synced exclusively to my stratum 1 over Ethernet that keeps 
a +-100 µs offset, unless 'ntpq -c rv' is lying to me.

-- 
Dennis Hilberg Jr <timekeeper(at)dennishilberg(dot)com>

NTP Server Information: http://saturn.dennishilberg.com/ntp.php




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