Hi Jody, twoRL is defined in EEPARAMS.h EEPARAMS.h: _RL zeroRL, oneRL, twoRL, halfRL EEPARAMS.h: PARAMETER ( twoRL = 2.0 _d 0 , halfRL = 0.5 _d 0 ) Dimitris > On Nov 21, 2014, at 8:06 PM, Jody Klymak <jklymak at uvic.ca> wrote: > > what is twoRL