swath: IW1
Bperp (average): -45.42362789057709
Bpar (average): 28.995417870363266
swath: IW2
Bperp (average): -43.200980044933466
Bpar (average): 32.451837898691096
swath: IW3
Bperp (average): -41.262268279427246
Bpar (average): 35.17279638953558