[gdal-dev] gdalwarp produces all black output

[mortac8]

Newbie question here.  I am trying to convert a DTED1 image to GeoTiff.  The
below command gives me a mosaic.tif image that is totally black.

gdalwarp -ot Int16 n29.dt1 mosaic.tif

Here is a link to my source image:
https://www.dropbox.com/s/zjnbshnwmu67o3o/n29.dt1

Any advice is greatly appreciated!  I am on Windows using FWTools 2.4.7.

Thanks! 
Ashley



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