Hi Rick,
The EPI dataset that I uploaded was not an oblique acquisition. My earlier posts from last month were regarding slices acquired at an oblique angle but the current data represents straight axial acquisition. The acquisition matrix was 64x64 (192mm FoV).
The dataset is one that I borrowed from another lab in order to isolate this problem so I don't have too much additional information at hand regarding the acquisition parameters. Let me know if there's anything else that will help you diagnose the problem and I'll dig up the info.
andrew