swath: IW1
Bperp (average): 90.87509169222888
Bpar (average): -85.77280742218966
swath: IW2
Bperp (average): 83.8659391755813
Bpar (average): -92.85018721733253
swath: IW3
Bperp (average): 77.45463713614308
Bpar (average): -98.35423549185653