Change fork reb target and redirect to --> openLevRatioFk__import_reb.php
zeta_fkr_50-70.xlsx current fk reb target     .46-70s
 default for ctd
 ctd = chrome tube drag
 s = strait or linear
   baseline r-zeta
     .35-.60s
     .36-.65s
     .40-.70s
  .46-.70s   start with this
zeta_backwards_fkc_fkr.xlsx change fk reb target    
 
openLevRatioFk__import_reb.php  
.php