swath: IW1
Bperp (average): 145.2986551182239
Bpar (average): -73.42713506764488
swath: IW2
Bperp (average): 138.57092265700916
Bpar (average): -85.04427578920883
swath: IW3
Bperp (average): 131.96917905836983
Bpar (average): -94.42319738145976