I am producing radar maps from the NEXRAD site near Omaha (OAX) using GrADS. I'd like to make a basemap in QGIS.

I put a geotiff version of the GrADS output in QGIS and had it 'zoom to layer.'

In Composer I set the shape parameters to match GrADS 16:9 (in GrADS all lengths are 11", so 11x6.187).

The attached image superimposes my state and city overlay over the states and counties from the radar. They don't match.overlaid images

I'd like to make a bunch of basemaps in QGIS... if I can make them comport. Can someone please help?

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