s18dec Example Program Data
 0.00    ( 0.3, -0.4)    'u'
 2.30    ( 2.0,  0.0)    'u'
 2.12    (-1.0,  0.0)    'u'
 5.50    (-6.1,  9.8)    'u'
 5.50    (-6.1,  9.8)    's'  - Values of fnu, z and scal