swath: IW1
Bperp (average): 128.9493633693256
Bpar (average): -81.3813646822027
swath: IW2
Bperp (average): 122.00010986266231
Bpar (average): -91.3513818625072
swath: IW3
Bperp (average): 115.56242971202018
Bpar (average): -99.34841309542193