tmpTime = MOD( locTime, cycleLength )
tRec1 = 1 + INT( tmpTime/recSpacing )
wght2 = ( tmpTime - recSpacing*(tRec1 - 1) )/recSpacing
tmpTime = MOD( locTime-deltaT, cycleLength )
tRec0 = 1 + INT(tmpTime/recSpacing)
_RL locTime, modTime, tmpTime
tmpTime = nbRec*recSpacing
IF ( cycleLength.NE.tmpTime ) THEN