swath: IW1
Bperp (average): -131.24064672844358
Bpar (average): 125.1127155832579
swath: IW2
Bperp (average): -120.81886518915826
Bpar (average): 135.17641642044984
swath: IW3
Bperp (average): -111.4627184376448
Bpar (average): 142.84497928303793