Tom, You didn't mention configuring the the LLMXGT in GEMPRM.PRM, which has to be done at the same time as gemprm.h. Other than that, there isn't a hardcoded 1000 time limit that I can find. Steve Chiswell Unidata User Support Ticket Details =================== Ticket ID: ELJ-840618 Department: Support GEMPAK Priority: Critical Status: Closed