#   yearbase = 2016
#    refuv_inputfile='a_ex.gps',
#    refuv_source='nav',
#    ens_len=120,
#    bl_half_width=3,
#    pgmin=50,
#    rl_startbin=2,
#    rl_endbin=20
  338.107049        1e+38        1e+38
  338.108437        1e+38        1e+38
  338.109826 -4.39268470944 -0.832193074689
  338.111215 -4.38509544767 -0.802115945157
  338.112604 -4.3724545511 -0.77458563773
  338.113993 -4.35044255106 -0.751464580278
  338.115382 -4.38906309474 -0.73651825247
  338.116771 -4.41357739713 -0.719265408371
  338.118160 -4.41037021099 -0.739985042217
  338.119549 -4.42193201242 -0.700628589742
  338.120938 -4.42230083956 -0.706256434809
  338.122326 -4.46435849966 -0.704830945034
  338.123715 -4.4578292959 -0.729782804724
  338.125104 -4.47896984653 -0.745374806071