swath: IW1
Bperp (average): -145.26768956356872
Bpar (average): 50.9062377700095
swath: IW2
Bperp (average): -141.09327793436833
Bpar (average): 62.743383107053525
swath: IW3
Bperp (average): -137.02284252500183
Bpar (average): 72.65096394775236