swath: IW1
Bperp (average): -138.5611984444812
Bpar (average): 127.4415361551547
swath: IW2
Bperp (average): -128.59808057539925
Bpar (average): 137.80220809297217
swath: IW3
Bperp (average): -119.71297109356446
Bpar (average): 145.46254133596707