swath: IW1
Bperp (average): 135.51474846277847
Bpar (average): -32.34350463139071
swath: IW2
Bperp (average): 132.33306787523173
Bpar (average): -43.258050608559074
swath: IW3
Bperp (average): 128.95551425045386
Bpar (average): -52.22170373371253