SAIndex                 Estimate Index and Preindex of Storm Activity
SIplot                  Plot Global Storm Activity Index WISA
SQ                      Estimation of Solar Quiet (SQ) Variation
datasq                  Magnetometer Observations of Station ABG, PHU,
                        TUC and FRD from March to April 2001
magnetic.latitude       Magnetic latitude
preindexplot            Plot Estimations of Storm Activity Preindex
record                  Magnetometer Observations of Station HER, KAK,
                        HON and SJG from March to April 2001
sqplot                  Plot of Non-constant Solar Quiet Daily
                        Variation
