IVS VLBI Schedule Index
Number of Sessions By Year
| Legacy S/X | VGOS | ||
|---|---|---|---|
| Year | 24 hour | Intensive | 24 hour |
| 2025 | 215 | 1246 | |
| 2024 | 232 | 1257 | |
| 2023 | 261 | 1117 | |
| 2022 | 258 | 897 | |
| 2021 | 235 | 535 | |
| 2020 | 246 | 434 | |
| 2019 | 214 | 487 | 48 |
| 2018 | 211 | 366 | 24 |
| 2017 | 222 | 439 | 29 |
| 2016 | 190 | 406 | 27 |
| 2015 | 237 | 388 | 17 |
| 2014 | 253 | 384 | |
| 2013 | 187 | 338 | 1 |
| 2012 | 170 | 384 | |
| 2011 | 170 | 422 | |
| 2010 | 151 | 371 | |
| 2009 | 159 | 390 | |
| 2008 | 189 | 382 | |
| 2007 | 173 | 347 | |
| 2006 | 187 | 321 | |
| 2005 | 213 | 321 | |
| 2004 | 194 | 283 | |
| 2003 | 188 | 226 | |
| 2002 | 186 | 222 | |
| 2001 | 170 | 206 | |
| 2000 | 132 | 265 | |
| 1999 | 153 | 310 | |
| 1998 | 142 | 264 | |
| 1997 | 154 | 258 | |
| 1996 | 169 | 222 | |
| 1995 | 160 | 216 | |
| 1994 | 213 | 211 | |
| 1993 | 219 | 262 | |
| 1992 | 308 | 227 | |
| 1991 | 553 | ||
| 1990 | 600 | ||
| 1989 | 514 | ||
| 1988 | 512 | ||
| 1987 | 431 | ||
| 1986 | 395 | ||
| 1985 | 293 | ||
| 1984 | 185 | ||
| 1983 | 93 | ||
| 1982 | 67 | ||
| 1981 | 35 | ||
| 1980 | 24 | ||
| 1979 | 9 | ||
Station participation during 2025
As currently scheduled. View the full list of network stations here.| Station | Legacy S/X | VGOS | |||
|---|---|---|---|---|---|
| Code | Type | 24 hour | Intensive | 24 hour | Station Hours |
| Ag | AGGO | 43 | 1 | - | 1032 |
| Bd | BADARY | 39 | 1 | - | 936 |
| 26 | DSS26 | 2 | - | - | 48 |
| 36 | DSS36 | 3 | - | - | 72 |
| 56 | DSS56 | 1 | - | - | 24 |
| Eb | EFLSBERG | 2 | - | - | 48 |
| Ft | FORTLEZA | 65 | 2 | - | 1560 |
| Gs | GGAO12M | 39 | 9 | - | 873 |
| Ht | HART15M | 125 | 48 | - | 3045 |
| Hh | HARTRAO | 29 | 1 | - | 696 |
| Hv | HARTVGS | 34 | - | - | 726 |
| Hn | HN-VLBA | - | 146 | - | 219 |
| Hb | HOBART12 | 153 | 47 | - | 3699 |
| Ho | HOBART26 | 26 | - | - | 624 |
| Is | ISHIOKA | 90 | 309 | - | 2376 |
| Ke | KATH12M | 135 | 2 | - | 3168 |
| Kk | KOKEE | 102 | 324 | - | 2799 |
| K2 | KOKEE12M | 41 | 238 | - | 1173 |
| Km | KUNMING | 17 | - | - | 408 |
| Mg | MACGO12M | 38 | 39 | - | 879 |
| Ma | MATERA | 60 | 2 | - | 1440 |
| Mb | MATERAVG | 2 | - | - | 48 |
| Mc | MEDICINA | 14 | - | - | 336 |
| Mk | MK-VLBA | - | 307 | - | 380 |
| Nt | NOTO | - | 1 | - | 0 |
| Nn | NYALE13N | 114 | 43 | - | 2703 |
| Ns | NYALE13S | 33 | 2 | - | 794 |
| Oe | ONSA13NE | 37 | 179 | - | 977 |
| Ow | ONSA13SW | 39 | 186 | - | 1032 |
| On | ONSALA60 | 51 | 1 | - | 1224 |
| Sa | RAEGSMAR | 38 | 42 | - | 864 |
| Yj | RAEGYEB | 21 | 29 | - | 533 |
| Kv | SEJONG | 41 | 2 | - | 984 |
| S6 | SESHAN13 | 12 | 44 | - | 332 |
| Sh | SESHAN25 | 10 | 32 | - | 271 |
| Sv | SVETLOE | 30 | 17 | - | 736 |
| Sy | SYOWA | 10 | - | - | 240 |
| T1 | TIANMA13 | 9 | - | - | 216 |
| T6 | TIANMA65 | 2 | - | - | 48 |
| Uc | UCHINOUR | 1 | - | - | 24 |
| Ur | URUMQI | 13 | 1 | - | 312 |
| Um | URUMQI13 | 9 | - | - | 216 |
| Ud | USUDA64 | 1 | - | - | 24 |
| Vm | VERAMZSW | 7 | - | - | 168 |
| Va | VLBA | 12 | - | - | 288 |
| Ww | WARK12M | 75 | 2 | - | 1800 |
| Wf | WESTFORD | 33 | - | - | 792 |
| Wn | WETTZ13N | 36 | 180 | - | 1044 |
| Ws | WETTZ13S | 43 | 290 | - | 1250 |
| Wz | WETTZELL | 107 | 427 | - | 2990 |
| Yg | YARRA12M | 131 | 46 | - | 3170 |
| Ys | YEBES40M | 15 | - | - | 360 |
| Zc | ZELENCHK | 40 | 1 | - | 960 |