swath: IW1
Bperp (average): -80.18860155241224
Bpar (average): 35.54435250936086
swath: IW2
Bperp (average): -77.46496169705138
Bpar (average): 42.05778495726636
swath: IW3
Bperp (average): -74.99201943813353
Bpar (average): 47.493843045436165