swath: IW1
Bperp (average): 130.76495930804114
Bpar (average): -50.54625088561655
swath: IW2
Bperp (average): 126.14486290065776
Bpar (average): -60.9407686443954
swath: IW3
Bperp (average): 121.60479614895361
Bpar (average): -69.37600165187028