swath: IW1
Bperp (average): -78.49584075778341
Bpar (average): 109.15611984011761
swath: IW2
Bperp (average): -69.60156496744636
Bpar (average): 114.96169537797067
swath: IW3
Bperp (average): -61.82428313116548
Bpar (average): 119.25885881232878