swath: IW1
Bperp (average): -280.9380486704971
Bpar (average): 229.70686451511358
swath: IW2
Bperp (average): -261.9065793402512
Bpar (average): 251.85803459734353
swath: IW3
Bperp (average): -244.63913195097575
Bpar (average): 269.3059451258366