swath: IW1
Bperp (average): 156.38953197749
Bpar (average): -70.76499392587924
swath: IW2
Bperp (average): 150.23240364994086
Bpar (average): -83.0592018016511
swath: IW3
Bperp (average): 144.26340458251235
Bpar (average): -93.05438433510659