swath: IW1
Bperp (average): 179.21157459185503
Bpar (average): -38.927823496770834
swath: IW2
Bperp (average): 175.4958534294275
Bpar (average): -53.25632977267771
swath: IW3
Bperp (average): 171.47734029440593
Bpar (average): -65.05077767001181