swath: IW1
Bperp (average): -15.199998829585441
Bpar (average): -14.500250124438578
swath: IW2
Bperp (average): -16.38054431069428
Bpar (average): -13.219693451894807
swath: IW3
Bperp (average): -17.303235357543244
Bpar (average): -12.068110234658011