swath: IW1
Bperp (average): -146.68840089657047
Bpar (average): 12.781148706785585
swath: IW2
Bperp (average): -144.989962863872
Bpar (average): 24.670983335952343
swath: IW3
Bperp (average): -142.88998492191132
Bpar (average): 34.50639703817337