IVS VLBI Schedule Index
Number of Sessions By Year
| Legacy S/X | VGOS | ||
|---|---|---|---|
| Year | 24 hour | Intensive | 24 hour |
| 2026 | 219 | 1247 | |
| 2025 | 228 | 1275 | |
| 2024 | 238 | 1258 | |
| 2023 | 271 | 1117 | |
| 2022 | 271 | 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 | 45 | - | - | 1080 |
| Bd | BADARY | 32 | - | - | 768 |
| 26 | DSS26 | 4 | - | - | 96 |
| 36 | DSS36 | 3 | - | - | 72 |
| 56 | DSS56 | 3 | - | - | 72 |
| Eb | EFLSBERG | 2 | - | - | 48 |
| Ft | FORTLEZA | 57 | - | - | 1368 |
| Fz | FORTZA12 | 2 | - | - | 48 |
| Gs | GGAO12M | 54 | 7 | - | 1303 |
| Ht | HART15M | 111 | 45 | - | 2709 |
| Hh | HARTRAO | 30 | - | - | 720 |
| Hv | HARTVGS | 55 | - | - | 1320 |
| Hn | HN-VLBA | - | 193 | - | 289 |
| Hb | HOBART12 | 71 | 30 | - | 1734 |
| Ho | HOBART26 | 6 | - | - | 144 |
| Is | ISHIOKA | 85 | 282 | - | 2322 |
| Ke | KATH12M | 146 | 29 | - | 3533 |
| Kk | KOKEE | 77 | 274 | - | 2110 |
| K2 | KOKEE12M | 57 | 236 | - | 1593 |
| Km | KUNMING | 2 | - | - | 48 |
| Mg | MACGO12M | 54 | 35 | - | 1331 |
| Ma | MATERA | 59 | 2 | - | 1417 |
| Mb | MATVGOS | 6 | - | - | 144 |
| Mc | MEDICINA | 24 | - | - | 576 |
| M5 | MISASA54 | 1 | - | - | 24 |
| Mk | MK-VLBA | - | 331 | - | 427 |
| Nt | NOTO | 6 | - | - | 144 |
| Nn | NYALE13N | 100 | 32 | - | 2432 |
| Ns | NYALE13S | 44 | 4 | - | 1060 |
| Oe | ONSA13NE | 47 | 167 | - | 1295 |
| Ow | ONSA13SW | 45 | 156 | - | 1236 |
| On | ONSALA60 | 50 | - | - | 1200 |
| Sa | RAEGSMAR | 40 | 34 | - | 994 |
| Yj | RAEGYEB | 50 | 46 | - | 1246 |
| Kv | SEJONG | 53 | - | - | 1272 |
| S6 | SESHAN13 | 6 | 49 | - | 193 |
| Sh | SESHAN25 | 1 | 7 | - | 31 |
| Sv | SVETLOE | 32 | 18 | - | 786 |
| Sy | SYOWA | 9 | - | - | 216 |
| T1 | TIANMA13 | 2 | - | - | 48 |
| T6 | TIANMA65 | 3 | - | - | 72 |
| Uc | UCHINOUR | 1 | - | - | 24 |
| Ur | URUMQI | 13 | - | - | 312 |
| Um | URUMQI13 | 6 | - | - | 144 |
| Ud | USUDA64 | 2 | - | - | 48 |
| Vm | VERAMZSW | 8 | - | - | 192 |
| Va | VLBA | 12 | - | - | 288 |
| Ww | WARK12M | 75 | - | - | 1800 |
| Wf | WESTFORD | 45 | - | - | 1080 |
| Wn | WETTZ13N | 73 | 91 | - | 1843 |
| Ws | WETTZ13S | 66 | 311 | - | 1895 |
| Wz | WETTZELL | 89 | 404 | - | 2539 |
| Yg | YARRA12M | 127 | 36 | - | 3084 |
| Zc | ZELENCHK | 40 | - | - | 960 |