Interesting. Thanks for the note. I had success with smaller grid area and number of grid points, but can reproduce the segfault with the same input as you. There are a few of the 6.1 updates needed for the im libraries which I'll add and then send out to you once again. Thanks for your patience. Michael > I am getting a core dump. It appears to me that the decoder is trying > to use zlib decompression, but the new nexrad products use bzip2 > compression. > Ticket Details =================== Ticket ID: MST-595956 Department: Support GEMPAK Priority: Normal Status: Open