swath: IW1
Bperp (average): 137.76213023888795
Bpar (average): -41.155476191472275
swath: IW2
Bperp (average): 133.97816129661905
Bpar (average): -52.168894392895474
swath: IW3
Bperp (average): 130.10576208013163
Bpar (average): -61.187135279102