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AE Indices

The CEDAR Database contains 1 min and hourly values of the magnetic indices AE, AL AU and AO from 1 January 1978 to 30 June 1988, and provisional AE indices from 1 January 1990 to 31 December 1994. The provisional AE indices came from, where one can get recent estimated AE plots also. The older AE came from World Data Center in Boulder where one can get:

When the Assimilative Mapping of Ionospheric Electrodynamics (AMIE) procedure uses ground magnetometers, it can calculate the AE at usually 5 minute intervals. AE is thus usually available for the list of AMIE campaigns list of AMIE campaigns.

-Revised 16 June 2001 by Barbara Emery