swath: IW1
Bperp (average): -217.98012656467466
Bpar (average): 109.81018827351843
swath: IW2
Bperp (average): -208.58498892043008
Bpar (average): 127.21946227280938
swath: IW3
Bperp (average): -199.73156700251204
Bpar (average): 141.35372011133657