swath: IW1
Bperp (average): -21.880563191234053
Bpar (average): 15.01612596175729
swath: IW2
Bperp (average): -20.504210125058158
Bpar (average): 16.763834472268773
swath: IW3
Bperp (average): -19.269127832193913
Bpar (average): 18.12864618211702