swath: IW1
Bperp (average): -189.8583819987757
Bpar (average): 164.52442823646882
swath: IW2
Bperp (average): -176.74926657501064
Bpar (average): 178.8910409230522
swath: IW3
Bperp (average): -165.23351175771458
Bpar (average): 190.01418042168282