swath: IW1
Bperp (average): -100.03566860419168
Bpar (average): 111.53906174303135
swath: IW2
Bperp (average): -90.8337329308838
Bpar (average): 119.13057818030556
swath: IW3
Bperp (average): -82.67224361013406
Bpar (average): 124.91398243601549