swath: IW1
Bperp (average): -45.67077443379035
Bpar (average): 45.476746721681984
swath: IW2
Bperp (average): -41.99108374591992
Bpar (average): 48.865590920803456
swath: IW3
Bperp (average): -38.778840446531504
Bpar (average): 51.44008357217118