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Hi Tom, re: > Thanks, Tom. No worries. I wish I was up enough on GEMPAK to be able to convey some sage words of wisdom on the "double free" problem, but I am afraid that this will take some slogging... > We actually have to use a certain projection > and grid size for our particular application, but I'll > play with it a bit anyway. OK, and thanks for trying to see if a small change in the projection definition makes any difference in the execution. By the way, have you tried the gdradr invocation before with good success? If yes, what version of GEMPAK were you using? As far as potentially having to rebuild GEMPAK from source, it strikes me that a a "double free" error would most likey be caused by some logic problems in the code. I don't think that the fact that you are running the binary code built on Fedora 7 on a RedHat 4 distribution would cause that kind of an error. Of course, I could be dead wrong in that assumption... Looks like code diving is in order! > Chiz is down here, eh? Savannah River isn't far from here > at all. Interesting move. Yea, Chiz wanted to get back into doing science again, and his children are at an age where he either had to make his move now, or wait for quite a few years. As you might guess, we miss him terribly on a variety of levels! Cheers, Tom **************************************************************************** Unidata User Support UCAR Unidata Program (303) 497-8642 P.O. Box 3000 address@hidden Boulder, CO 80307 ---------------------------------------------------------------------------- Unidata HomePage http://www.unidata.ucar.edu **************************************************************************** Ticket Details =================== Ticket ID: BRQ-115692 Department: Support GEMPAK Priority: Normal Status: Open