swath: IW1
Bperp (average): 129.5276214414318
Bpar (average): -36.898063483620014
swath: IW2
Bperp (average): 126.06758178994316
Bpar (average): -47.22667357132213
swath: IW3
Bperp (average): 122.51039497563656
Bpar (average): -55.68008964341084