swath: IW1
Bperp (average): -127.97494073942642
Bpar (average): 125.73688338156973
swath: IW2
Bperp (average): -119.16305047667491
Bpar (average): 134.6929788957562
swath: IW3
Bperp (average): -112.04575539729319
Bpar (average): 141.38580180398694