swath: IW1
Bperp (average): -19.624039637628673
Bpar (average): 74.6306671370625
swath: IW2
Bperp (average): -14.742959511077538
Bpar (average): 75.7311422983293
swath: IW3
Bperp (average): -11.581052862880492
Bpar (average): 76.26525814690503