swath: IW1
Bperp (average): 157.66291158966104
Bpar (average): -98.19023233630823
swath: IW2
Bperp (average): 149.43479842126897
Bpar (average): -110.52357052506052
swath: IW3
Bperp (average): 141.6373280683116
Bpar (average): -120.41956326983095