The uploaded data should be in the IDL .sav format, and the variables stored in the sav data must be named as the follows:

   t, bx, by, bz, vx, vy, vz

t must be in TAI format, the time in seconds from midnight, 1 January 1958.

bx, by and bz are the three components of magnetic fields, in units of nT.

vx, vy and vz are the three components of velocity, in units of km/s.

All the variables should have the same size, and the vectors should be given in a GSE-like coordinate system, contrasting to RTN coordinates.

The variables, vx, vy and vz are needed only if the fitting option of velocity is turned on.