swath: IW1
Bperp (average): -116.5408560961979
Bpar (average): 143.51710152728143
swath: IW2
Bperp (average): -105.23342258822966
Bpar (average): 152.15260697843362
swath: IW3
Bperp (average): -95.52417208306449
Bpar (average): 158.61015745358736