swath: IW1
Bperp (average): -163.37721017282595
Bpar (average): 142.27590535119737
swath: IW2
Bperp (average): -151.37613838319376
Bpar (average): 154.9254044337194
swath: IW3
Bperp (average): -140.5281518133658
Bpar (average): 164.78011846122803