swath: IW1
Bperp (average): -58.87421825088709
Bpar (average): 38.086690524449224
swath: IW2
Bperp (average): -56.90528337867343
Bpar (average): 42.88822281642429
swath: IW3
Bperp (average): -55.088232000158
Bpar (average): 46.62575440009421