swath: IW1
Bperp (average): -50.25431079240426
Bpar (average): 73.54281072080047
swath: IW2
Bperp (average): -45.62887649125717
Bpar (average): 76.89453841740865
swath: IW3
Bperp (average): -42.13781988760723
Bpar (average): 79.29062153799923