swath: IW1
Bperp (average): 140.34698715288602
Bpar (average): -11.445797085319697
swath: IW2
Bperp (average): 138.83654410029965
Bpar (average): -22.702270632725483
swath: IW3
Bperp (average): 136.8585596576884
Bpar (average): -32.03191217606568