swath: IW1
Bperp (average): -130.53564668057572
Bpar (average): 35.4765157900456
swath: IW2
Bperp (average): -127.11047738666464
Bpar (average): 45.98438102056605
swath: IW3
Bperp (average): -123.62684041930754
Bpar (average): 54.55347420545939