Home > WDC > Data > Geophysical > Help > PCI > Format

PCI Data Format

Copyright WDC C1 for STP at RAL.


Polar Cap Indices (PCI data)

The format is the same for data from both stations. The only applicable units are nT for the actual data.

  FieldName    Dimension Type Width DecimalPlaces NullValues Units
  ------------ --------- ---- ----- ------------- ---------- -----
  Date                 3    S     4             0          0     -
  Time                 3    S     2             0         -1     -
  State                1    C     4             -                -
  PCI		       1    R     6             1     9999.0    nT

Field Definitions

  Field       Data Size         Field Definition
  ----------  ----------------  ----------------------------
  Date        Array of 3 items  Year(4 digit), Month and Day
  Time        Array of 3 items  Hour, Minute and Second
  State       4-byte string     Status code: FIN - Final, 
					     PREL - Preliminary
  PCI         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