swath: IW1
Bperp (average): -147.1079864046219
Bpar (average): 43.34907533547404
swath: IW2
Bperp (average): -143.02156175894268
Bpar (average): 55.235958224485856
swath: IW3
Bperp (average): -138.82039128380853
Bpar (average): 64.97298653621434