IVS VLBI Schedule Index
Number of Sessions By Year
| Legacy S/X | VGOS | ||
|---|---|---|---|
| Year | 24 hour | Intensive | 24 hour |
| 2026 | 218 | 1279 | |
| 2025 | 228 | 1275 | |
| 2024 | 238 | 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 | 4 | - | - | 96 |
| 56 | DSS56 | 5 | - | - | 120 |
| Eb | EFLSBERG | 2 | - | - | 48 |
| Ft | FORTLEZA | 77 | - | - | 1848 |
| Fz | FORTZA12 | 4 | - | - | 96 |
| Gs | GGAO12M | 56 | - | - | 1344 |
| Ht | HART15M | 111 | 45 | - | 2709 |
| Hh | HARTRAO | 30 | - | - | 720 |
| Hv | HARTVGS | 55 | - | - | 1320 |
| Hn | HN-VLBA | - | 193 | - | 289 |
| Hb | HOBART12 | 116 | 40 | - | 2824 |
| Ho | HOBART26 | 13 | - | - | 312 |
| Is | ISHIOKA | 90 | 250 | - | 2410 |
| Ke | KATH12M | 148 | 1 | - | 3553 |
| Kk | KOKEE | 105 | 377 | - | 2888 |
| K2 | KOKEE12M | 56 | 239 | - | 1575 |
| Km | KUNMING | 10 | - | - | 240 |
| Mg | MACGO12M | 53 | 35 | - | 1307 |
| Ma | MATERA | 60 | 2 | - | 1441 |
| Mb | MATVGOS | 6 | - | - | 144 |
| Mc | MEDICINA | 24 | - | - | 576 |
| M5 | MISASA54 | 2 | - | - | 48 |
| Mk | MK-VLBA | - | 297 | - | 393 |
| Nt | NOTO | 16 | - | - | 384 |
| Nn | NYALE13N | 117 | 42 | - | 2850 |
| Ns | NYALE13S | 38 | - | - | 912 |
| Oe | ONSA13NE | 47 | 168 | - | 1296 |
| Ow | ONSA13SW | 47 | 169 | - | 1297 |
| On | ONSALA60 | 50 | - | - | 1200 |
| Sa | RAEGSMAR | 40 | 37 | - | 997 |
| Yj | RAEGYEB | 49 | 50 | - | 1226 |
| Kv | SEJONG | 56 | - | - | 1344 |
| S6 | SESHAN13 | 8 | 50 | - | 242 |
| Sh | SESHAN25 | 1 | 12 | - | 36 |
| Sv | SVETLOE | 31 | 17 | - | 761 |
| Sy | SYOWA | 9 | - | - | 216 |
| T1 | TIANMA13 | 6 | - | - | 144 |
| T6 | TIANMA65 | 3 | - | - | 72 |
| Uc | UCHINOUR | 2 | - | - | 48 |
| Ur | URUMQI | 16 | - | - | 384 |
| Um | URUMQI13 | 8 | - | - | 192 |
| Ud | USUDA64 | 2 | - | - | 48 |
| Vm | VERAMZSW | 8 | - | - | 192 |
| Va | VLBA | 12 | - | - | 288 |
| Ww | WARK12M | 84 | - | - | 2016 |
| Wf | WESTFORD | 47 | - | - | 1128 |
| Wn | WETTZ13N | 57 | 53 | - | 1421 |
| Ws | WETTZ13S | 67 | 318 | - | 1926 |
| Wz | WETTZELL | 114 | 473 | - | 3208 |
| Yg | YARRA12M | 153 | 44 | - | 3716 |
| Zc | ZELENCHK | 40 | - | - | 960 |