swath: IW1
Bperp (average): -42.835530958425
Bpar (average): 8.589506408094588
swath: IW2
Bperp (average): -41.90225703735872
Bpar (average): 12.050994521830928
swath: IW3
Bperp (average): -40.938560172829725
Bpar (average): 14.8769605212202