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[idvusers] Is an update of world country outlines available?

I've been checking some altitude maps over Europe and got a bit confused by using the default IDV (2.7u1) 'world country outlines'. It seems like Iceland (lower left corner) is about 2 degrees more west than the altitude, while Svalbard/Spitsbergen (upper right corner on the attached figure) has only 5% of its actual size.
The same map looks okay with the World Coastlines, which is of lower resolution.
I recognized, too, that the country borders don't reflect the split of serbia and montenegro in 2006.
Does somebody have other country border or higher resolution world coastline files available? Did somebody convert i.e. the recently updated NCL / Ncar graphics database 'Earth..4' to an idv-readable file? 

Best regards,

Heiko

PNG image

PNG image

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