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Table 1 SG stations and observation information

From: Detection of free core nutation resonance variation in Earth tide from global superconducting gravimeter observations

No Station name SG type Observation period (Y/M–Y/M) Station location
Longitude (°) Latitude (°) Height(m)
1 BE: Brussels, Belgium *T003 TT70 1982-04–2000-09 4.358 50.7986 100.0
2 BH: Bad Homburg, Germany CD030 (L/U) 2001-02–2007-04 8.6113 50.2285 190.0
SG044 2007-02–2013-02
3 CA: Cantley, Canada T012 TT70 1989-11–1993-10 284.1927 45.5850 269.2
1997-07–2015-03
4 CB: Canberra, Australia C031 1997-07–2014-12 149.0077 − 35.3206 762.7
5 CO: Conrad,Austria C025 2007-11–2013-11 15.8609 47.9288 1045.1
6 KA: Kamioka, Japan T016 2004-10–2013-07 137.3084 36.4253 358.0
7 MA: Matsushiro, Japan T011 TT70 1997-05–2006-06 138.2302 36.5439 409.5
8 MB: Membach, Belgium C021 1995-08–2011-12 6.0066 50.6093 250.0
9 MC: Medicina, Italy C023 1998-01–2013-12 11.645 44.5219 28.0
10 ME: Metsahovi, Finland T020 TT070 1997-07–2012-07 24.3958 60.2172 55.6
11 MO: Moxa, Germany CD034 (L/U) 2000-01–2013-07 11.6156 50.6447 455.0
12 NY: Ny-Alesund, Norway C039 1999-09–2011-12 11.8672 78.9306 43.0
13 PE: Pecny, Czech Republic OSG-050 2007-05–2014-12 14.7856 49.9138 534.6
14 ST: Strasbourg, France C026 1997-03–2011-12 7.6850 48.6217 185.0
15 SU: Sutherland, South Africa D037 (L/U) 2000-03–2014-12 20.8109 − 32.3814 1791.0
16 SY: Syowa Antarctica T016 1997-07–2003-01 39.5857 − 69.0067 42.6
17 TC: TIGO Concepcion, Chile T038 2002-12–2014-12 291.9745 − 36.8437 100.0
18 VI: Vienna, Austria *C025 1997-07–2006-12 16.3579 48.2493 192.4
19 WE: Wettzell, Germany CD029 (L/U) 1998-11–2010-10 12.8780 49.1440 613.7
20 WH: Wuhan, China T004 TT70 1998-01–2010-12 114.4898 30.5159 80.0