swath: IW1
Bperp (average): -199.687969834803
Bpar (average): 183.00783663779217
swath: IW2
Bperp (average): -185.1111091138897
Bpar (average): 198.07687936980264
swath: IW3
Bperp (average): -172.33212683973153
Bpar (average): 209.69125621933142