PLOTONLYNO PLOT NO PLOT NO PLOT
HR 1967 
PLOT    NO PRINTNO PRINTXEROE   BEST
7330d0 51260d0 11d0 7d0 0.3d0 0.39d0 93d0 0d0 1 5d0 -1
   56323.91  1   6.6
   56323.91    -13.0       202
   56356.83  1   7.7
   56356.83    -12.9       202
   56589.21  1   8.9
   56589.21      0.1       202
   56666.99  1   8.2
   56666.99      0.1       202
   56700.87  1   9.7
   56700.87     -2.8       202
   56940.19  1  10.2
   56940.19     -6.8       202
   57402.97  1  11.6
   57402.97     -3.7       202
   57767.96  1  12.7
   57767.96     -2.4       202
   57777.89  1  12.3
   57777.89     -1.3       202

1.6D0 0D0
-15 15 -20
5 1
2000 500 302 1

1
<%IBMDATE>

Velocities depend on how one interprets the trace.
It's not clear which is the bigger dip.
I've obviously not got it right yet!