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Table A1

am index magnetometer stations.

Name IAGA code Start date End date Latitude (°N) Longitude (°E) Sector Notes
Magadan MGD 1966 60.117 150.017 1
Memambetsu MMB 1958 43.910 144.189 1
Paratunka/Petropavlovsk PET 1969 52.971 158.248 1
Bor (Podkamenaya Tunguska) POD 1969 61.600 90.010 2
Tomsk TMK 1958 1970 56.470 84.930 2
Vysokaya Dubrava SVD 1958 1972 56.733 61.067 2 Replaced by ARS
Arti ARS 1973 56.433 58.567 2
Irkutsk IRT 1958 52.167 104.450 2
Novosibirsk (Klyuchi) NVS 1967 54.850 83.230 2
Chambon La Foret CLF 1958 48.025 2.260 3
Hartland HAD 1958 50.995 355.516 3
Witteveen WIT 1958 1988 52.813 6.668 3 Replaced by NGK
Niemegk NGK 1989 52.072 12.675 3
Fredericksburg FRD 1958 38.210 282.633 4
Ottawa OTT 1968 45.403 284.448 4
Newport NEW 1966 48.267 242.883 5
Tucson TUC 1958 32.170 249.270 5
Victoria VIC 1958 48.520 236.580 5
Toolangi TOO 1958 1979 −37.533 145.467 6 Replaced by CNB
Canberra CNB 1980 −35.315 149.363 6
Lauder LAU 1979 1985 −45.033 169.683 6
Amberley AML 1958 1977 −43.152 172.722 6 Replaced by EYR
Eyrewell EYR 1978 −43.423 172.355 6
Martin de Vivies (Amsterdam Isl.) AMS 1981 −37.800 77.570 7
Gnangara GNA 1958 2013 −31.780 115.947 7 Replaced by GNG
Gingin GNG 2011 −31.356 115.715 7
Port Alfred CZT 1974 −46.431 51.867 8
Hermanus HER 1958 −34.425 19.225 8
Port-Aux-Francais PAF 1958 −49.353 70.262 8
Faraday Islands (Argentine Isl.) AIA 1958 −65.245 295.742 9
South Georgia (Grytviken) SGE 1983 1992 −54.282 323.507 9
Port Stanley PST 1994 - −51.704 302.107 9
Trelew TRW 1958 - −43.267 294.617 9

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