swath: IW1
Bperp (average): -29.929824012528602
Bpar (average): 45.60989472705583
swath: IW2
Bperp (average): -27.484575562323858
Bpar (average): 47.376697882156485
swath: IW3
Bperp (average): -26.13633818058192
Bpar (average): 48.7100064356942