swath: IW1
Bperp (average): -151.39288583909587
Bpar (average): 127.26167544140854
swath: IW2
Bperp (average): -141.93591414218236
Bpar (average): 138.4702911350791
swath: IW3
Bperp (average): -133.5315804624836
Bpar (average): 146.7083341220023