swath: IW1
Bperp (average): -76.15171894982944
Bpar (average): 76.07566466976972
swath: IW2
Bperp (average): -70.65368443435811
Bpar (average): 81.63573459753248
swath: IW3
Bperp (average): -66.07658880730988
Bpar (average): 85.86031291470537