swath: IW1
Bperp (average): -139.01401806956906
Bpar (average): 70.25516734859157
swath: IW2
Bperp (average): -132.91111698579724
Bpar (average): 81.19252668990238
swath: IW3
Bperp (average): -127.11047721504039
Bpar (average): 89.98824033700758