NSC1:           Number of straw tube pair hits in the inner RSSC cluster
NSC2:           Number of straw tube pair hits in the outer RSSC cluster
WIRESC1(NSC1):  Wire index for each straw tube pair hit in the inner RSSC
WIRESC2(NSC2):  Wire index for each straw tube pair hit in the outer RSSC
TSC1(NSC1):     Earliest time for each straw tube pair hit in the inner RSSC
TSC2(NSC2):     Earliest time for each straw tube pair hit in the outer RSSC
WIDSC1(NSC1):   Width of time for a pair of the inner RSSC straw tubes
WIDSC2(NSC2):   Width of time for a pair of the outer RSSC straw tubes
ZSC1(NSC1):     Z position of each straw tube pair hit in the inner RSSC 
ZSC2(NSC2):     Z position of each straw tube pair hit in the outer RSSC 
RSZ1D:          Zutc - Zrssc for the used hit in the inner RSSC
RSZ2D:          Zutc - Zrssc for the used hit in the outer RSSC
RSZ1D_N:        Zutc - Zrssc for the hit closest to RS Z in the inner RSSC
RSZ2D_N:        Zutc - Zrssc for the hit closest to RS Z in the outer RSSC
RSXY1D:         Closest distrance between the UTC extrapolation
                and the used hit in  the inner RSSC
RSXY2D:         Closest distrance between the UTC extrapolation
                and the used hit the outer RSSC
RSR1:           The radius of the used hit in the inner RSSC
RSR2:           The radius of the used hit in the outer RSSC
RSP1:           The azimuth angle of the used hit in the inner RSSC
RSP2:           The azimuth angle of the used hit in the outer RSSC
RSZ1:           The Z postion of the used hit in the inner RSSC 
RSZ2:           The Z postion of the used hit in the outer RSSC