[ntp:questions] Can't Understand NTP behaviour,

David J Taylor david-taylor at blueyonder.co.uk.invalid
Tue Jun 28 05:35:04 UTC 2011

"Richard B. Gilbert" <rgilbert88 at comcast.net> wrote in message 
news:_6idnS6-1fdCpZTTnZ2dnUVZ_rSdnZ2d at giganews.com...
> The best source of time IMHO is a GPS Timing Receiver.  Note that GPS 
> Receivers can also be designed for navigation.  For timing service you 
> should take care to get a receiver designed for the purpose!  Either 
> kind necessarily knows what time it is but a receiver designed for 
> Navigation is concerned with latitude, longitude, and elevation and 
> delivering this information.  Delivering accurate time is its lowest 
> priority.

There is one low-cost GPS receiver board available from China, and its use 
with NTP is  described here:


Many others are available, of course, such as the Garmin GPS 18x LVC.


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