% starting at the top and going down, data is from files:

% SP 15 IR /SP 16 IR /SP 17 IR /NP 15 IR /NP 16 IR /NP 17 IR 

% ave Spd Bias/ave Spd rms/# pts used

      1.06       6.94        187
     -1.46       6.47        413
     -0.64       6.01        176
      0.34       4.59        745
      0.26       5.57       1442
      0.15       4.51        645