swath: IW1
Bperp (average): -18.31738173971104
Bpar (average): 16.691943071588305
swath: IW2
Bperp (average): -17.56134926441754
Bpar (average): 17.877954214160894
swath: IW3
Bperp (average): -17.14166412673917
Bpar (average): 18.74406464472233