swath: IW1
Bperp (average): -100.72394406722731
Bpar (average): 116.30614390313622
swath: IW2
Bperp (average): -91.58302980304813
Bpar (average): 123.7738805001314
swath: IW3
Bperp (average): -83.69776543842018
Bpar (average): 129.4005898680338