swath: IW1
Bperp (average): 71.78060347470007
Bpar (average): -35.97740849094889
swath: IW2
Bperp (average): 68.7885688835616
Bpar (average): -41.540059958195066
swath: IW3
Bperp (average): 66.00030433407632
Bpar (average): -45.99399891735213