nanog mailing list archives

Re: GPS week number rollover event on April 6th


From: Chris Adams <cma () cmadams net>
Date: Fri, 8 Mar 2019 21:53:00 -0600

Once upon a time, Gerry Boudreaux <gerry () tape net> said:
For those who have GPS based NTP servers.

https://ics-cert.us-cert.gov/sites/default/files/documents/Memorandum_on_GPS_2019.pdf

Note that the standard ntpd daemon has different code for different time
sources related to the GPS week roll-over.  For example, the Trimble
TSIP driver has a hard-coded offset and has already rolled (but didn't
do it right on at least some devices).

-- 
Chris Adams <cma () cmadams net>


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