swath: IW1
Bperp (average): 175.7741192722934
Bpar (average): -40.3598805513538
swath: IW2
Bperp (average): 171.96848305679615
Bpar (average): -54.43326961146443
swath: IW3
Bperp (average): 167.8865454290656
Bpar (average): -65.99554923033757