swath: IW1
Bperp (average): -130.4090721924959
Bpar (average): 52.95545872485502
swath: IW2
Bperp (average): -126.51646939401068
Bpar (average): 62.42155994634833
swath: IW3
Bperp (average): -122.69763270031176
Bpar (average): 69.41891765882636