swath: IW1
Bperp (average): 154.57974483978055
Bpar (average): -69.8539735105471
swath: IW2
Bperp (average): 148.36471355696924
Bpar (average): -81.97091120960809
swath: IW3
Bperp (average): 142.4475640071448
Bpar (average): -91.79943652182389