#! FIELDS phi metadp1.bias der_phi
#! SET min_phi -pi
#! SET max_phi pi
#! SET nbins_phi  10
#! SET periodic_phi true
   -3.141592654  1.000000     0.000000 
   -2.513274123  0.300000     0.000000 
   -1.884955592  1.000000     0.000000 
   -1.256637061  1.000000     0.000000 
   -0.628318531  1.000000     0.000000 
    0.000000000  0.500000     0.000000 
    0.628318531  1.000000     0.000000 
    1.256637061  1.000000     0.000000 
    1.884955592  1.000000     0.000000 
    2.513274123  1.000000     0.000000 
