swath: IW1
Bperp (average): -72.11126324907899
Bpar (average): 45.283400908408346
swath: IW2
Bperp (average): -68.30813520900108
Bpar (average): 50.976763734450856
swath: IW3
Bperp (average): -64.67894356108003
Bpar (average): 55.4980165553193