swath: IW1
Bperp (average): -112.4825616417424
Bpar (average): 51.65358051882891
swath: IW2
Bperp (average): -108.29502681088456
Bpar (average): 60.644842653469446
swath: IW3
Bperp (average): -104.48478211340904
Bpar (average): 68.005289152456