swath: IW1
Bperp (average): -43.56513992612685
Bpar (average): 69.40601960341127
swath: IW2
Bperp (average): -39.040592172308116
Bpar (average): 72.29619332770699
swath: IW3
Bperp (average): -35.5649623068918
Bpar (average): 74.335624400381