recl = n or recl = 4*n?
this is a problem from a non-standard extensions of fortran: VMS fortran.
http://www-mipl.jpl.nasa.gov/portguide/subsection3.9.7.html
https://docs.oracle.com/cd/E19957-01/805-4939/6j4m0vnct/index.html#c40004b91a0e
typically, using ifort, dont do that.