A
750 version
s_left 	s_right t_bottom t_top
0	6	0	196			// comment: IAS 100
6	12	0	196			// comment: IAS 10
12	18	3	115			// comment: IAS 1
10						// comment: knots per tickmark (small)
0						// comment: knots per tickmark (big)
20						// comment: knots per label
1.5						// comment: pixels per knot
