Observing Program

Master Files


This page has links to all the IVS master files, also known as the multi-agency schedule files. The master files list each VLBI geodetic/astrometric session conducted since 1979. Data from each session in the master files is stored in a corresonding data base and NGS card file in the Data Centers. Format descriptions are provided in the related files.

Year Master Schedules Media Master Intensives Notes File
  [ASCII file] [HTML file] [ASCII file] [ASCII file] [ASCII file]
2024 TXT '24 HTML '24 Media '24 Int '24 Notes '24
2023 TXT '23 HTML '23 Media '23 Int '23 Notes '23
2022 TXT '22 HTML '22 Media '22 Int '22 Notes '22
2021 TXT '21 HTML '21 Media '21 Int '21 Notes '21
2020 TXT '20 HTML '20 Media '20 Int '20 Notes '20
2019 TXT '19 HTML '19 Media '19 Int '19 Notes '19
2018 TXT '18 HTML '18 Media '18 Int '18 Notes '18
2017 TXT '17 HTML '17 Media '17 Int '17 Notes '17
2016 TXT '16 HTML '16 Media '16 Int '16 Notes '16
2015 TXT '15 HTML '15 Media '15 Int '15 Notes '15
2014 TXT '14 HTML '14 Media '14 Int '14 Notes '14
2013 TXT '13 HTML '13 Media '13 Int '13 Notes '13
2012 TXT '12 HTML '12 Media '12 Int '12 Notes '12
2011 TXT '11 HTML '11 Media '11 Int '11 Notes '11
2010 TXT '10 HTML '10 Media '10 Int '10 Notes '10
2009 TXT '09 HTML '09 Media '09 Int '09 Notes '09
2008 TXT '08 HTML '08 Media '08 Int '08 Notes '08
2007 TXT '07 HTML '07 Media '07 Int '07 Notes '07
2006 TXT '06 HTML '06 Media '06 Int '06 Notes '06
2005 TXT '05 HTML '05 Media '05 Int '05 Notes '05
2004 TXT '04 HTML '04 Media '04 Int '04 Notes '04
2003 TXT '03 HTML '03   Int '03 Notes '03
2002 TXT '02 HTML '02   Int '02 Notes '02
2001 TXT '01 HTML '01   Int '01 Notes '01
2000 TXT '00 HTML '00   Int '00 Notes '00
1999 TXT '99 HTML '99   Int '99 Notes '99
1998 TXT '98 HTML '98   Int '98 Notes '98
1997 TXT '97 HTML '97   Int '97 Notes '97
1996 TXT '96     Int '96  
1995 TXT '95     Int '95  
1994 TXT '94     Int '94  
1993 TXT '93     Int '93  
1992 TXT '92     Int '92  
1991 TXT '91     (in TXT '91)  
1990 TXT '90     (in TXT '90)  
1989 TXT '89     (in TXT '89)  
1988 TXT '88     (in TXT '88)  
1987 TXT '87     (in TXT '87)  
1986 TXT '86     (in TXT '86)  
1985 TXT '85     (in TXT '85)  
1984 TXT '84     (in TXT '84)  
1983 TXT '83     (in TXT '83)  
1982 TXT '82     (in TXT '82)  
1981 TXT '81     (in TXT '81)  
1980 TXT '80     (in TXT '80)  
1979 TXT '79     (in TXT '79)  

The master files and control files are maintained by the IVS Coordinating Center. Please contact Cynthia Thomas or Dirk Behrend if you have any questions about the master files.