f[MHz]	N=1	f[MHz]	N=2	f[MHz]	N=4
				6	5.76
				10	20.641
12	5.746	12	12.32	12	31.41
14	9.01	14	17.88	14	44.75
18	16.93	18	31.79	18	93.552
28	44.24	30	97.65		
		--			