swath: IW1
Bperp (average): -72.86906772046692
Bpar (average): 33.11330690724398
swath: IW2
Bperp (average): -70.24997016116349
Bpar (average): 38.48072901945624
swath: IW3
Bperp (average): -67.82907617543727
Bpar (average): 42.58334948656727