swath: IW1
Bperp (average): 77.44227823157986
Bpar (average): 11.30417515855759
swath: IW2
Bperp (average): 78.01789165676256
Bpar (average): 4.925862964597944
swath: IW3
Bperp (average): 78.0829209988332
Bpar (average): -0.47333295888641985