My interpretation of the graph is that that bot the left and bottom figures are radius (note how the lines intersect exactly the same figures on both) and the note on the left just means 'sea level', no EAS or IAS involved, admittedly it is a very badly designed illustration.......what's the big deal?
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Intel Q9550 @3.3ghz(OC), Asus rampage extreme MOBO, Nvidia GTX470 1.2Gb Vram, 8Gb DDR3 Ram, Win 7 64bit ultimate edition
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