**Select a conference below:**

PTTI 2020: Proceedings of the 51st Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2019: Proceedings of the 50th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2018: Proceedings of the 49th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2017: Proceedings of the 48th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2016: Proceedings of the 47th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2014: Proceedings of the 46th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2013: Proceedings of the 45th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2012: Proceedings of the 44th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2011: Proceedings of the 43rd Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2010: Proceedings of the 42nd Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2009: Proceedings of the 41st Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2008: Proceedings of the 40th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2007: Proceedings of the 39th Annual Precise Time and Time Interval Meeting

PTTI 2006: Proceedings of the 38th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2005: Proceedings of the 37th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2004: Proceedings of the 36th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2003: Proceedings of the 35th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2002: Proceedings of the 34th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2001: Proceedings of the 33th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 2000: Proceedings of the 32th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1999: Proceedings of the 31th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1998: Proceedings of the 30th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1997: Proceedings of the 29th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1996: Proceedings of the 28th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1995: Proceedings of the 27th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1994: Proceedings of the 26th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1993: Proceedings of the 25th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1992: Proceedings of the 24th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1991: Proceedings of the 23th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1990: Proceedings of the 22th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1989: Proceedings of the 21th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1988: Proceedings of the 20th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1987: Proceedings of the 19th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1986: Proceedings of the 18th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1985: Proceedings of the 17th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1984: Proceedings of the 16th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1983: Proceedings of the 15th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1982: Proceedings of the 14th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1981: Proceedings of the 13th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1980: Proceedings of the 12th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1979: Proceedings of the 11th Annual Precise Time and Time Interval Systems and Applications Meeting

PTTI 1978: Proceedings of the 10th Annual Precise Time and Time Interval Systems and Applications Meeting