swath: IW1
Bperp (average): -23.02861080872828
Bpar (average): 58.7955053665532
swath: IW2
Bperp (average): -19.666592333593037
Bpar (average): 59.98178203268965
swath: IW3
Bperp (average): -17.451028164358824
Bpar (average): 60.65067517948339