swath: IW1
Bperp (average): -26.269691573880444
Bpar (average): 1.2133864756225146
swath: IW2
Bperp (average): -26.409708061796977
Bpar (average): 2.8245745389552783
swath: IW3
Bperp (average): -26.570608218810417
Bpar (average): 4.00362175093516