swath: IW1
Bperp (average): -145.16331487948895
Bpar (average): 68.25254340721057
swath: IW2
Bperp (average): -138.98280639249808
Bpar (average): 79.92463980650007
swath: IW3
Bperp (average): -132.90620824017608
Bpar (average): 89.43707698140088