# Sites in IGS20 network hierarchy from ftp://igs-rf.ign.fr/pub/IGS20/IGS20_core.txt
# Created with core2stab_site.sh byfloyd on 2022-07-20
#-------------------------------------------------------------------------------
# This file defines the IGS20 "core" network, recommended for the alignment of
# global solutions to the IGS20 reference frame. This core network was designed
# to have the best possible global distribution and temporal stability. It is
# composed of 55 clusters of stations (i.e., 55 primary stations each with
# possible substitutes) listed below.
#-------------------------------------------------------------------------------
 stab_site AREQ/SCRZ/UNSA
 stab_site BADG/ULAB/IRKJ/IRKT
 stab_site BAKE/CHUR/YELL/HOLM
 stab_site BHR4/BHR1/BAHR/YIBL/NAMA
 stab_site CHPI/UFPR/BRAZ/SAVO
 stab_site CHTI/CHAT
 stab_site CKIS/NIUM/ASPA/FALE
# MOD TAH 230323: Removed / at end of CPVG/DAKR/DAKA/ line (behaves like all
#   if the first sites are not found.
 stab_site CPVG/DAKR/DAKA
 stab_site CRO1/ABMF/LMMF/RDSD/SCUB
 stab_site CZTG
 stab_site DAEJ/SUWN/TAEJ
 stab_site DARW/KAT1/TOW2/ALIC
 stab_site DAV1/MAW1
 stab_site DGAR/SEYG/SEY1
 stab_site FAIR/WHIT/INVK
 stab_site GAMB
 stab_site GLPS/GALA
 stab_site GODN/GODE/ALGO/NRC1
 stab_site GOUG
 stab_site GUAM/CNMR
 stab_site GUAT
 stab_site HRAO/SUTM/SUTH/SBOK/HNUS
 stab_site IISC/HYDE/SGOC
 stab_site ISPA/EISL
 stab_site KIRI/NAUR/MAJU/KWJ1/POHN
 stab_site KIRU/TRO1/TROM/NYAL
 stab_site KOKB/HNLC
 stab_site KRGG/KERG
 stab_site KZN2/ARTU/MDVJ/MDVO
 stab_site MAC1/OUS2/MQZG
 stab_site MAL2/MALI/RCMN/NURK/MBAR
 stab_site MAS1/LPAL/FUNC
 stab_site MATE/NOT1/NOTO/M0SE/CAGL
 stab_site MCIL/CCJ2/CCJM
 stab_site MKEA/MAUI
 stab_site MOBS/SYDN/TIDB/TID1/HOB2
 stab_site NANO/ALBH/BREW/DRAO/WILL
 stab_site NKLG/BJCO
 stab_site NNOR/YAR2/YAR1/PERT/MRO1
 stab_site NRMD/NOUM/KOUC/LAUT/TUVA
 stab_site OHI3/OHI2/OHIG/PALM
 stab_site POL2/CHUM/KIT3/GUAO/URUM
 stab_site REUN/VACS/ABPO/VOIM
 stab_site RIO2/RIOG/PARC/FALK
 stab_site SALU/BRFT/FORT/KOUG/KOUR
 stab_site SANT/ANTC/CONZ/CFAG/LPGS
 stab_site SCTB/MCM4/DUM1/CAS1
 stab_site STHL/ASCG/ASC1
 stab_site STJ3/STPM/STJO/HLFX/NAIN
 stab_site THTG/THTI/FAA1
 stab_site THU2/THU1/KELY/QAQ1/SCOR
 stab_site TNML/TCMS/CKSV/KMNM/SHAO
 stab_site VESL/SYOG
 stab_site VNDP/MONP/GOLD/PIE1/QUIN
 stab_site XMIS/COCO/BAKO/SIN1/NTUS