swath: IW1
Bperp (average): 66.66681405234945
Bpar (average): 2.9390703530615467
swath: IW2
Bperp (average): 66.4912108330806
Bpar (average): -2.5374642125326643
swath: IW3
Bperp (average): 65.96876720962156
Bpar (average): -7.130922749712841