Np	Power	Gain
---------------------		
90	0.0364	15.6
100	0.0588	17.69
110	0.0946	19.75
140	0.396	25.97
160	0.98	29.91
180	2.531	34.04
200	5.281	37.22
220	7.411	38.69
240	8	39.03