gfortran -o f90_nuf f90_nuf.f90

# prog    i  Q0      h0    fnameR       > fnameW
./f90_nuf 10 63.087  0.589 inp_open.txt > out_Q0063.txt
./f90_nuf 10 430.92  1.958 inp_open.txt > out_Q0430.txt
./f90_nuf 10 1352.01 3.138 inp_open.txt > out_Q1352.txt