swath: IW1
Bperp (average): 82.11163287040287
Bpar (average): -41.024276896784
swath: IW2
Bperp (average): 78.40949407925706
Bpar (average): -47.680306218893435
swath: IW3
Bperp (average): 74.75489428435354
Bpar (average): -53.164836480909