swath: IW1
Bperp (average): 88.8686428677289
Bpar (average): 4.2450091908616985
swath: IW2
Bperp (average): 88.88546124081888
Bpar (average): -3.036470852608563
swath: IW3
Bperp (average): 88.43167930428474
Bpar (average): -9.15999451535577