swath: IW1
Bperp (average): 131.92744110734597
Bpar (average): -9.20958792829586
swath: IW2
Bperp (average): 130.73964113029834
Bpar (average): -19.813149115170894
swath: IW3
Bperp (average): 129.0854142134189
Bpar (average): -28.64218758347229