AE Daily Data

Copyright WDC C1 for STP at RAL.

Auroral Electrojet Indices (AE daily data)

The only applicable units are nT for the data values. This data starts in 1957.

  FieldName    Dimension Type Width DecimalPlaces NullValue Units
  ------------ --------- ---- ----- ------------- --------- -----
  Date                 3    S     4             0        -1     -
  AE                   1    I     6             0     99999    nT
  AL                   1    I     6             0     99999    nT
  AO                   1    I     6             0     99999    nT
  AU                   1    I     6             0     99999    nT

Field Definitions

  Field  Size              Description
  -----  ----------------  ---------------------------------------
  Date   Array of 3 items  Year(4 digit), Month & Day for the data
  AE     Single items      Index value
  AL     Single items      Index value
  AO     Single items      Index value
  AU     Single items      Index value

Field Types

  Code  Data Type                     Storage
  ----  ----------------------------  -------
     C  CHARACTER                     1 byte
     P  DOUBLE PRECISION REAL         8 bytes
     R  REAL                          4 bytes
     I  INTEGER                       4 bytes
     S  SMALL INTEGER                 2 bytes
     B  BYTE (unsigned integer 0-255) 1 byte