swath: IW1
Bperp (average): 120.7672471279377
Bpar (average): 6.715237863339937
swath: IW2
Bperp (average): 121.11772604266808
Bpar (average): -3.1456634672998223
swath: IW3
Bperp (average): 120.75119696930045
Bpar (average): -11.39626135680387