GPS time does not have leap seconds: http://www.oc.nps.edu/oc2902w/gps/timsys.html http://www.oc.nps.edu/oc2902w/gps/timsys.html > GPS Time is a uniformly coun

GPS time does not have leap seconds: http://www.oc.nps.edu/oc2902w/gps/timsys.html http://www.oc.nps.edu/oc2902w/gps/timsys.html > GPS Time is a uniformly counting time scale ... The word "uniformly" is used above to indicate that there are no "leap seconds" in this time system. > The GPS message contains information that allows a receiver to convert GPS Time into Universal Time In fact the article you linked corroborates this, because they used GPS time to show how inaccurate NTP servers are.