Table 2.2 The distribution of guiding modes (hours)
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   SI      IN      EC      GY      CT      FL Total
  WFP  15.167   2.390   7.506   3.815 123.999 152.878
  FOC   0.000   0.000   0.000   0.000  22.344  22.344
  FOS   0.468   0.000   0.000   0.000  39.284  39.751
  HRS   2.379   0.000   0.000   0.000   4.827   7.207
  FGS   0.000   0.000   0.000   0.000   0.081   0.081
Total  18.014   2.390   7.506   3.815 190.536 222.262
    %   8.105   1.076   3.377   1.716  85.726 100.000
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SI = Science Instrument
IN = Internal
EC = Earth Calibration
GY = Gyro
CT = Coarse Track
FL = Fine Lock
%  = Percentage