swath: IW1
Bperp (average): -138.69865992312873
Bpar (average): 18.76264844148574
swath: IW2
Bperp (average): -136.6921321312363
Bpar (average): 29.99603723441685
swath: IW3
Bperp (average): -134.32020942181907
Bpar (average): 39.26019846579032