swath: IW1
Bperp (average): -119.74338987541724
Bpar (average): 146.354800744391
swath: IW2
Bperp (average): -107.67931458789155
Bpar (average): 155.41894938514017
swath: IW3
Bperp (average): -97.06018009690035
Bpar (average): 162.2456278777378