swath: IW1
Bperp (average): 128.1901626272766
Bpar (average): 8.204333359388764
swath: IW2
Bperp (average): 128.64213164247792
Bpar (average): -2.2449840379714034
swath: IW3
Bperp (average): 128.31459401348786
Bpar (average): -11.005946912114432