IVS VLBI Schedule Index
Number of Sessions By Year
| Legacy S/X | VGOS | ||
|---|---|---|---|
| Year | 24 hour | Intensive | 24 hour |
| 2026 | 216 | 1289 | |
| 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 2026
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 | 47 | - | - | 1128 |
| Bd | BADARY | 40 | - | - | 960 |
| 26 | DSS26 | 5 | - | - | 120 |
| 36 | DSS36 | 5 | - | - | 120 |
| 56 | DSS56 | 5 | - | - | 120 |
| Eb | EFLSBERG | 2 | - | - | 48 |
| Ft | FORTLEZA | 98 | - | - | 2352 |
| Fz | FORTZA12 | 7 | - | - | 168 |
| Gs | GGAO12M | 56 | - | - | 1344 |
| Ht | HART15M | 111 | 45 | - | 2709 |
| Hh | HARTRAO | 30 | - | - | 720 |
| Hv | HARTVGS | 55 | - | - | 1320 |
| Hn | HN-VLBA | - | 202 | - | 303 |
| Hb | HOBART12 | 126 | 45 | - | 3069 |
| Ho | HOBART26 | 17 | - | - | 408 |
| Is | ISHIOKA | 92 | 249 | - | 2457 |
| Ke | KATH12M | 154 | - | - | 3696 |
| Kk | KOKEE | 104 | 376 | - | 2872 |
| K2 | KOKEE12M | 54 | 239 | - | 1535 |
| Km | KUNMING | 21 | - | - | 504 |
| Mg | MACGO12M | 59 | 38 | - | 1454 |
| Ma | MATERA | 60 | - | - | 1440 |
| Mb | MATVGOS | 7 | - | - | 168 |
| Mc | MEDICINA | 24 | - | - | 576 |
| Mk | MK-VLBA | - | 310 | - | 411 |
| Nt | NOTO | 24 | - | - | 576 |
| Nn | NYALE13N | 113 | 42 | - | 2754 |
| Ns | NYALE13S | 48 | - | - | 1152 |
| Oe | ONSA13NE | 48 | 167 | - | 1319 |
| Ow | ONSA13SW | 46 | 167 | - | 1271 |
| On | ONSALA60 | 50 | - | - | 1200 |
| Sa | RAEGSMAR | 48 | 43 | - | 1195 |
| Yj | RAEGYEB | 50 | 51 | - | 1251 |
| Kv | SEJONG | 58 | - | - | 1392 |
| S6 | SESHAN13 | 8 | 50 | - | 242 |
| Sh | SESHAN25 | - | 17 | - | 17 |
| Sv | SVETLOE | 40 | 23 | - | 983 |
| Sy | SYOWA | 9 | - | - | 216 |
| T1 | TIANMA13 | 8 | - | - | 192 |
| T6 | TIANMA65 | 2 | - | - | 48 |
| Uc | UCHINOUR | 2 | - | - | 48 |
| Ur | URUMQI | 19 | - | - | 456 |
| Um | URUMQI13 | 8 | - | - | 192 |
| Ud | USUDA64 | 2 | - | - | 48 |
| Vm | VERAMZSW | 8 | - | - | 192 |
| Va | VLBA | 12 | - | - | 288 |
| Ww | WARK12M | 84 | - | - | 2016 |
| Wf | WESTFORD | 53 | - | - | 1272 |
| Wn | WETTZ13N | 61 | 1 | - | 1465 |
| Ws | WETTZ13S | 67 | 318 | - | 1926 |
| Wz | WETTZELL | 114 | 503 | - | 3239 |
| Yg | YARRA12M | 158 | 45 | - | 3837 |
| Ys | YEBES40M | 11 | - | - | 264 |
| Zc | ZELENCHK | 40 | - | - | 960 |