swath: IW1
Bperp (average): 87.91152970978894
Bpar (average): -82.59344788559305
swath: IW2
Bperp (average): 81.05587363499535
Bpar (average): -89.49526939567748
swath: IW3
Bperp (average): 74.8911650447679
Bpar (average): -94.8727300923619