swath: IW1
Bperp (average): -126.69286699026013
Bpar (average): 132.66084637385532
swath: IW2
Bperp (average): -115.76217213365847
Bpar (average): 142.29272598432513
swath: IW3
Bperp (average): -106.06224926805292
Bpar (average): 149.6645794147848