swath: IW1
Bperp (average): -3.6982144386017137
Bpar (average): 59.818147300052516
swath: IW2
Bperp (average): 1.324951286055357
Bpar (average): 59.909159347385646
swath: IW3
Bperp (average): 5.254758940224529
Bpar (average): 59.686369055621256