swath: IW1
Bperp (average): 139.53222726753282
Bpar (average): -33.84155192685417
swath: IW2
Bperp (average): 136.30865843271792
Bpar (average): -45.14853904711407
swath: IW3
Bperp (average): 132.87990159418695
Bpar (average): -54.45482782242529