swath: IW1
Bperp (average): 157.49393034511277
Bpar (average): -83.46121999896839
swath: IW2
Bperp (average): 150.2043836690672
Bpar (average): -95.87612000680004
swath: IW3
Bperp (average): 143.30558828087422
Bpar (average): -105.83923026543351