swath: IW1
Bperp (average): -145.82101711765873
Bpar (average): 147.9250209206501
swath: IW2
Bperp (average): -133.63701202971336
Bpar (average): 159.02331925161616
swath: IW3
Bperp (average): -122.82059932890574
Bpar (average): 167.5377986156686