swath: IW1
Bperp (average): -127.50972708311663
Bpar (average): 124.96916246510598
swath: IW2
Bperp (average): -118.40590330501936
Bpar (average): 134.32578794167762
swath: IW3
Bperp (average): -110.81096656965524
Bpar (average): 141.45268578253507