swath: IW1
Bperp (average): -146.8242826741431
Bpar (average): 85.29247449534888
swath: IW2
Bperp (average): -139.42873082307355
Bpar (average): 96.81596510125776
swath: IW3
Bperp (average): -132.51042912796333
Bpar (average): 106.01461664306845