swath: IW1
Bperp (average): 129.11162066492395
Bpar (average): -7.7377815085875605
swath: IW2
Bperp (average): 127.91270341635452
Bpar (average): -17.98056911812521
swath: IW3
Bperp (average): 126.38030857234043
Bpar (average): -26.553091697771027