swath: IW1
Bperp (average): -76.39870059556743
Bpar (average): 84.8365382907424
swath: IW2
Bperp (average): -69.55223731616675
Bpar (average): 90.42824977954147
swath: IW3
Bperp (average): -63.46137860256243
Bpar (average): 94.91161368132703