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Table A2

ap (kp) index magnetometer stations.

Name IAGA code Start date End date Latitude (°N) Longitude (°E) Sector Notes
Lerwick LER 1932 60.138 358.817 European
Meanook MEA 1932 54.616 246.653 N. American
Sitka SIT 1932 57.076 224.670 N. American
Eskdalemuir ESK 1932 55.314 356.794 European
Lovö LOV 1954 59.344 17.824 European
Brorfelde BFE 1932 55.625 11.672 European
Agincourt AGN 1932 1969 43.783 280.733 N. American Replaced by OTT
Ottawa OTT 1968 45.403 284.448 N. American
Rude Skov RSV 1932 1984 55.850 12.450 European
Cheltenham CLH 1932 1957 38.733 283.158 N. American Replaced by FRD
Fredericksburg FRD 1958 38.210 282.633 N. American
Abinger ABN 1932 1956 51.185 359.613 European Replaced by HAD
Hartland HAD 1957 50.995 355.516 European
Witteveen WIT 1932 1988 52.813 6.668 European Replaced by NGK
Niemegk NGK 1989 52.070 12.680 European
Wingst WNG 1938 53.743 9.073 European
Toolangi TOO 1958 1979 −37.533 145.467 Australasian Replaced by CNB
Canberra CNB 1980 −35.315 149.363 Australasian
Amberley AML 1958 1977 −43.152 172.722 Australasian Replaced by EYR
Eyrewell EYR 1978 −43.423 172.355 Australasian

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