swath: IW1
Bperp (average): -58.480559366682456
Bpar (average): 61.71366025370141
swath: IW2
Bperp (average): -53.382464748833236
Bpar (average): 66.23485276738081
swath: IW3
Bperp (average): -48.84217739250701
Bpar (average): 69.72048007854043