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