[time-nuts] IEEE1588

Greg Dowd gdowd at symmetricom.com
Wed Feb 1 17:35:42 UTC 2012

The challenge with public grandmasters is that the delay variation introduced by the intervening network destroys the time accuracy.

Greg Dowd
gdowd at symmetricom dot com (antispam format)
Symmetricom, Inc.
"A clever person solves a problem.  A wise person avoids it." Albert Einstein

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On Behalf Of Daniel Mendes
Sent: Wednesday, February 01, 2012 6:09 AM
To: time-nuts at febo.com
Subject: [time-nuts] IEEE1588

All this talk about microcontrollers and IEEE1588 made me get out of the 
shadow to ask:

1) Are you talking about IEEE1588-2002 or IEEE1588-2008? The former has 
no use to me, but the later could replace some GPSs in a system i´m 

2) If you intend to play with IEEE1588-2008, do you know any affordable 
source of data? (I think they call them grandmasters or something like 



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