swath: IW1
Bperp (average): -71.04822246703577
Bpar (average): 33.954341731943074
swath: IW2
Bperp (average): -68.09942078592258
Bpar (average): 39.64513137195554
swath: IW3
Bperp (average): -65.27840615837998
Bpar (average): 44.27799202015137