swath: IW1
Bperp (average): 69.48096208597356
Bpar (average): -27.928084726727427
swath: IW2
Bperp (average): 66.80454649438119
Bpar (average): -33.50978048115307
swath: IW3
Bperp (average): 64.17832672602563
Bpar (average): -38.027236071903296