Index of ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/INDICES
Parent Directory
AURORAL_ELECTROJET
5.00b
August 22 2000
DST
63.00b
August 1 2012
EST_IST
7.00b
March 18 2019
IAGA_CODES
4.00b
August 20 2013
KP_AP
99.00b
May 14 2018