swath: IW1
Bperp (average): -148.52672954495404
Bpar (average): 79.32515094772933
swath: IW2
Bperp (average): -142.04089406311482
Bpar (average): 91.25777614011162
swath: IW3
Bperp (average): -136.09030428873564
Bpar (average): 101.03174667594055