swath: IW1
Bperp (average): -58.87276095855877
Bpar (average): 33.35567193733974
swath: IW2
Bperp (average): -55.939445436077506
Bpar (average): 37.8975247560074
swath: IW3
Bperp (average): -53.13970733648688
Bpar (average): 41.42881893634172