swath: IW1
Bperp (average): -123.74648827190383
Bpar (average): 131.7834328351199
swath: IW2
Bperp (average): -113.01873517393561
Bpar (average): 141.1288027802449
swath: IW3
Bperp (average): -103.56413341749
Bpar (average): 148.25705478690824