swath: IW1
Bperp (average): -78.38511681735838
Bpar (average): 49.72334189176819
swath: IW2
Bperp (average): -73.91567273459769
Bpar (average): 55.883542067603486
swath: IW3
Bperp (average): -69.87428636399983
Bpar (average): 60.77382386148524