swath: IW1
Bperp (average): 154.2171246736472
Bpar (average): -35.28522649392577
swath: IW2
Bperp (average): 150.7960439908363
Bpar (average): -47.649396592617535
swath: IW3
Bperp (average): 147.1403993665649
Bpar (average): -57.807917508348886