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Masibus Forum >> Products >> GPS - Master clock >> GPS Clock
GPS Clock
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vinit


Newbie


Join Date: 3/5/2010
Posts: 4
Location: Masibus

Posted: 3/6/2010 5:33:23 PM


GPS master clock is the tool to time synchronize the various field devices & servers. Now servers are getting synchronized through SNTP & NTP protocol used.
Applicaton point of view what is the difference between these two protocol.

spa


Beginner

Join Date: 2/13/2010
Posts: 10
Location: United Kingdom

Posted: 3/8/2010 9:25:52 AM

Network Time Protocol (NTP) used for synchronizing the clocks of computer systems over packet-switched, variable-latency data networks.
Simple Network Time Protocol (SNTP)used in some embedded devices and in applications where high accuracy timing is not required.
Any more details ???

Go Green
spa


Beginner

Join Date: 2/13/2010
Posts: 10
Location: United Kingdom

Posted: 3/9/2010 4:20:17 PM

Is that helpful ????

Go Green
claudia


Newbie

Join Date: 3/12/2010
Posts: 1

Posted: 3/12/2010 1:41:58 PM

what about drifitng of the clocks how is that managed???

claudia
vinit


Newbie


Join Date: 3/5/2010
Posts: 4
Location: Masibus

Posted: 3/30/2010 7:49:45 PM

Once GPS is locked & tracking the satellite the signal it will not drift. Once it is not locked than it depends on its RTC. Drift rate depends on the internal crystal used as RTC. For higher accuracy normally TCXO or OXCO kind of crystal are popular.

sliver25

Banned

Join Date: 7/21/2010
Posts: 3
Location: usa

Posted: 7/29/2010 1:09:14 PM

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