swath: IW1
Bperp (average): 139.84885255113954
Bpar (average): -30.363810203199556
swath: IW2
Bperp (average): 137.26223310273005
Bpar (average): -41.68796390958571
swath: IW3
Bperp (average): 134.33055844093437
Bpar (average): -50.956696377281695