swath: IW1
Bperp (average): -29.405431768717015
Bpar (average): 45.15443176230279
swath: IW2
Bperp (average): -28.748032039312097
Bpar (average): 46.22371520275346
swath: IW3
Bperp (average): -29.08175542430961
Bpar (average): 47.31331250410411