swath: IW1
Bperp (average): -62.67057942903589
Bpar (average): 35.44358123086983
swath: IW2
Bperp (average): -59.57611938412442
Bpar (average): 40.29582514181629
swath: IW3
Bperp (average): -56.64502499040086
Bpar (average): 44.09117791050571