swath: IW1
Bperp (average): -110.76217410765415
Bpar (average): 33.42988422126996
swath: IW2
Bperp (average): -107.78147576805924
Bpar (average): 42.329177789631785
swath: IW3
Bperp (average): -104.77837197998444
Bpar (average): 49.65174598963691