swath: IW1
Bperp (average): 76.31659101077743
Bpar (average): -29.75058287993402
swath: IW2
Bperp (average): 73.96293170545376
Bpar (average): -35.8958050733805
swath: IW3
Bperp (average): 71.5563782667337
Bpar (average): -40.86234077127295