swath: IW1
Bperp (average): -22.335620063350976
Bpar (average): 73.3135358732577
swath: IW2
Bperp (average): -19.69806507988713
Bpar (average): 74.1326389911684
swath: IW3
Bperp (average): -19.012257483368813
Bpar (average): 74.39892728871075