IYEAR i5 4-digit year
IDAY i4 Day of year (IDAY=1 is January 1)
IHOUR i3 UT hour (0 - 23)
MIN i3 UT minute (0 - 59)
Xsm f10.4 Re, a spacecraft X-position in SM coordinates
Ysm f10.4 Re, a spacecraft Y-position in SM coordinates
Zsm f10.4 Re, a spacecraft Z-position in SM coordinates
Tilt f10.5 geodipole tilt angle (radians!) in GSW coordinate system
Bx f9.1 nT, external field X-component in SM coordinates, 5-min average
By f9.1 nT, external field Y-component in SM coordinates, 5-min average
Bz f9.1 nT, external field Z-component in SM coordinates, 5-min average
Pdyn f7.2 solar wind flow ram pressure, nPa
W1 f8.3 dynamical variable with the timescale T1=4 hour and B-index as the driving function (see Eq.(7))
W2 f8.3 dynamical variable with the timescale T1=20 hour and B-index as the driving function (see Eq.(7))
dW1/dt f9.4 time derivative of W1
dW2/dt f9.4 time derivative of W2
f8.2 nT, in GSW coordinates, average over preceding 30-min trailing interval