swath: IW1
Bperp (average): 155.6004144620442
Bpar (average): -73.37928260495958
swath: IW2
Bperp (average): 149.24451831259012
Bpar (average): -85.7636911628419
swath: IW3
Bperp (average): 143.1427396099066
Bpar (average): -95.77905092770234