swath: IW1
Bperp (average): 19.3026510099169
Bpar (average): -17.560906349505142
swath: IW2
Bperp (average): 18.515579366740297
Bpar (average): -18.926305168387064
swath: IW3
Bperp (average): 17.8899668903368
Bpar (average): -20.14562657355758