[ntp:questions] Re: drifting on crystal

Brad Knowles brad at stop.mail-abuse.org
Thu Jan 27 08:57:24 UTC 2005

At 9:47 AM +0100 2005-01-27, David Monniaux wrote:

>  We do have a reference crystal clock inside the GPS board (Hopf 6039).
>  However, we found this board to be very unreliable (mysterious
>  breakdowns every so and then, jitter, etc.).

	I've heard of lots of problems with Hopf equipment.  However, 
I've heard only good things about Meinberg.  IIRC, they have a GPS 
refclock with an integral OCXO, which you may want to check out.

Brad Knowles, <brad at stop.mail-abuse.org>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

     -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
     Assembly to the Governor, November 11, 1755

   SAGE member since 1995.  See <http://www.sage.org/> for more info.

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