swath: IW1
Bperp (average): 172.15296535059414
Bpar (average): -92.64573488265982
swath: IW2
Bperp (average): 164.45884818712813
Bpar (average): -106.24366904167785
swath: IW3
Bperp (average): 156.97998094917625
Bpar (average): -117.21217742803499