swath: IW1
Bperp (average): 171.264651842299
Bpar (average): -33.76078240714485
swath: IW2
Bperp (average): 167.95641558295787
Bpar (average): -47.44838866187414
swath: IW3
Bperp (average): 164.33422005987364
Bpar (average): -58.736971100446716