Voyager ASCII summary data format s/c id (FLT1 = Voyager 1, FLT2 = Voyager 2) coordinate system (PL = payload, HG = heliographic) integer year decimal day (January 1 = 1) MAG field magnitude MAG field modulus MAG field delta angle MAG field lambda angle MAG field radial component (nT) if HG coordinate system x component (nT) PL if coordinate system MAG field tangential component (nT) if HG coordinate system y component (nT) PL if coordinate system MAG field normal component (nT) if HG coordinate system z component (nT) if PL coordinate system MAG field radial component RMS MAG field tangential component RMS MAG field normal component RMS s/c position x component s/c position y component s/c position z component s/c position vector