IVS VLBI Schedule Index
Number of Sessions By Year
| Legacy S/X | VGOS | ||
|---|---|---|---|
| Year | 24 hour | Intensive | 24 hour |
| 2026 | 216 | 1301 | |
| 2025 | 212 | 1280 | |
| 2024 | 232 | 1258 | |
| 2023 | 261 | 1117 | |
| 2022 | 258 | 897 | |
| 2021 | 235 | 756 | |
| 2020 | 246 | 538 | |
| 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 | 195 | 283 | |
| 2003 | 190 | 226 | |
| 2002 | 188 | 222 | |
| 2001 | 170 | 206 | |
| 2000 | 133 | 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 | 42 | 1 | - | 1008 |
| Bd | BADARY | 39 | 1 | - | 936 |
| 26 | DSS26 | 2 | - | - | 48 |
| 36 | DSS36 | 2 | - | - | 48 |
| 56 | DSS56 | 1 | - | - | 24 |
| Eb | EFLSBERG | 2 | - | - | 48 |
| Ft | FORTLEZA | 62 | 2 | - | 1488 |
| Gs | GGAO12M | 35 | 10 | - | 777 |
| Ht | HART15M | 125 | 48 | - | 3045 |
| Hh | HARTRAO | 29 | 1 | - | 696 |
| Hv | HARTVGS | 34 | 1 | - | 726 |
| Hn | HN-VLBA | - | 187 | - | 280 |
| Hb | HOBART12 | 133 | 46 | - | 3217 |
| Ho | HOBART26 | 20 | - | - | 480 |
| Is | ISHIOKA | 84 | 299 | - | 2222 |
| Ke | KATH12M | 121 | 3 | - | 2832 |
| Kk | KOKEE | 102 | 317 | - | 2832 |
| K2 | KOKEE12M | 41 | 240 | - | 1214 |
| Km | KUNMING | 11 | - | - | 264 |
| Mg | MACGO12M | 27 | 30 | - | 606 |
| Ma | MATERA | 58 | 2 | - | 1392 |
| Mb | MATVGOS | 2 | 1 | - | 48 |
| Mc | MEDICINA | 9 | - | - | 216 |
| Mk | MK-VLBA | - | 357 | - | 451 |
| Nt | NOTO | - | 1 | - | 0 |
| Nn | NYALE13N | 126 | 41 | - | 2988 |
| Ns | NYALE13S | 8 | 3 | - | 194 |
| Oe | ONSA13NE | 38 | 180 | - | 1001 |
| Ow | ONSA13SW | 38 | 188 | - | 1009 |
| On | ONSALA60 | 48 | 1 | - | 1152 |
| Sa | RAEGSMAR | 22 | 25 | - | 462 |
| Yj | RAEGYEB | 21 | 27 | - | 530 |
| Kv | SEJONG | 40 | 2 | - | 960 |
| S6 | SESHAN13 | 11 | 43 | - | 306 |
| Sh | SESHAN25 | 10 | 20 | - | 259 |
| Sv | SVETLOE | 23 | 12 | - | 563 |
| Sy | SYOWA | 8 | - | - | 192 |
| T1 | TIANMA13 | 9 | 1 | - | 216 |
| T6 | TIANMA65 | 2 | - | - | 48 |
| Uc | UCHINOUR | 1 | - | - | 24 |
| Ur | URUMQI | 12 | 1 | - | 288 |
| Um | URUMQI13 | 7 | 1 | - | 168 |
| Ud | USUDA64 | 1 | - | - | 24 |
| Vm | VERAMZSW | 7 | - | - | 168 |
| Va | VLBA | 12 | - | - | 288 |
| Ww | WARK12M | 71 | 2 | - | 1704 |
| Wf | WESTFORD | 25 | 1 | - | 600 |
| Wn | WETTZ13N | 33 | 119 | - | 911 |
| Ws | WETTZ13S | 41 | 286 | - | 1197 |
| Wz | WETTZELL | 114 | 463 | - | 3194 |
| Yg | YARRA12M | 134 | 46 | - | 3241 |
| Ys | YEBES40M | 12 | - | - | 288 |
| Zc | ZELENCHK | 39 | 1 | - | 936 |