I have loaded and displayed all 3 MIRIAD images (j, h, k) directly from the directory you used:
/home/sola/dss/1.past.projects/g173.i20126.aug02/g173/old.ir.images
I am unable to reproduce the problem; they all display for me. Please check again and verify; contact me if the problem persists.
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DavidKing - 01 Nov 2006