swath: IW1
Bperp (average): 149.14107221643798
Bpar (average): -102.96020771350518
swath: IW2
Bperp (average): 140.75742016410456
Bpar (average): -114.93640715206685
swath: IW3
Bperp (average): 133.1571301021415
Bpar (average): -124.69066542393216