swath: IW1
Bperp (average): -73.35134129071797
Bpar (average): 46.17189151839947
swath: IW2
Bperp (average): -69.32032601854789
Bpar (average): 51.795597820468906
swath: IW3
Bperp (average): -65.73881421394225
Bpar (average): 56.3054387468286